List of stars in Leo
Encyclopedia
This is the list of notable star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

s in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Leo
Leo (constellation)
Leo is one of the constellations of the zodiac. Its name is Latin for lion. Its symbol is . Leo lies between dim Cancer to the west and Virgo to the east.-Stars:...

, sorted by decreasing brightness.
Name B
Bayer designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name...

F
Flamsteed designation
Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek letters. Each star is assigned a number and the Latin genitive of the constellation it lies in...

HD
Henry Draper Catalogue
The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...

HIP RA
Right ascension
Right ascension is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordinate is the declination.-Explanation:...

Dec
Declination
In astronomy, declination is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. Declination in astronomy is comparable to geographic latitude, but projected onto the celestial sphere. Declination is measured in degrees north and...

vis.
mag.
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...

abs.
mag.
Absolute magnitude
Absolute magnitude is the measure of a celestial object's intrinsic brightness. it is also the apparent magnitude a star would have if it were 32.6 light years away from Earth...

Dist. (ly) Sp. class
Stellar classification
In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure...

Notes
Regulus
Regulus
Regulus is the brightest star in the constellation Leo and one of the brightest stars in the night sky, lying approximately 77.5 light years from Earth. Regulus is a multiple star system composed of four stars which are organized into two pairs...

 
α 32 87901 49669 1.36 −0.52 77 B7V Cor Leonis, Qalb, Kabelaced, Qalb al-Asad, Rex
γ1 Leo
Gamma Leonis
Gamma Leonis is a binary star system in the constellation Leo. It has the traditional name Algieba or Al Gieba.-Name origin and history:...

 
γ1 41 89484 50583 2.01 −0.92 126 K0III Algieba, Al Gieba, Algeiba; has a confirmed planet (b
Gamma1 Leonis b
Gamma1 Leonis b is an extrasolar planet located 125.5 light years away in the constellation Leo, orbiting the giant star Gamma1 Leonis.-Discovery:...

) and an unconfirmed planet (c)
Denebola
Denebola
Denebola is the second brightest star in the constellation Leo. It is an A-class star that is about distant from earth, and has a luminosity about twelve times that of the sun. Its apparent magnitude is 2.14...

 
β 94 102647 57632 2.14 1.92 36 A3Vvar Deneb Alased, Deneb Aleet; δ Sct variable
Delta Scuti variable
A Delta Scuti variable is a variable star which exhibits variations in its luminosity due to both radial and non-radial pulsations of the star's surface. Typical brightness fluctuations are from 0.003 to 0.9 magnitudes in V over a period of a few hours, although the amplitude and period of the...

δ Leo  δ 68 97603 54872 2.56 1.32 58 A4V Zosma, Zozma, Zozca, Zosca, Zubra, Duhr, Dhur
ε Leo
Epsilon Leonis
Epsilon Leonis is the fifth brightest star in the constellation Leo, consistent with its Bayer designation Epsilon...

 
ε 17 84441 47908 2.97 −1.46 251 G0II Ras Elased, Ras Elased Australis, Algenubi
θ Leo  θ 70 97633 54879 3.33 −0.35 178 A2V Chertan, Chort, Coxa
ζ Leo
Zeta Leonis
Zeta Leonis is a fourth-magnitude star in the constellation Leo. It has the traditional name Adhafera , from the Arabic الضفيرة al-ðafīrah "the braid/curl", a reference clearly to its position in the lion's mane.- Properties :Adhafera is a rare F Class giant star with stellar classification F0III...

 
ζ 36 89025 50335 3.43 −1.08 260 F0III Adhafera, Aldhafera, Aldhafara
η Leo
Eta Leonis
Eta Leonis is a fourth-magnitude star in the constellation Leo.- Properties :Eta Leonis is a white supergiant with the stellar classification A0Ib. Though its apparent magnitude is 3.51, making it a relatively dim star to the naked eye, it is 5,600 times more luminous than the Sun, with an...

 
η 30 87737 49583 3.48 −5.60 2131 A0Ib Al Jabhah
ο Leo A
Omicron Leonis
Omicron Leonis is a binary star in the constellation Leo. It has the traditional name Subra.The two stars of Subra are of spectral class F9III for the primary and A5mV for the secondary. Their combined apparent magnitude is +3.53....

 
ο 14 83808 47508 3.52 0.43 135 A5V+... Subra
ο Leo B
Omicron Leonis
Omicron Leonis is a binary star in the constellation Leo. It has the traditional name Subra.The two stars of Subra are of spectral class F9III for the primary and A5mV for the secondary. Their combined apparent magnitude is +3.53....

 
ο 14 83809 3.70 component of the ο Leo system
γ2 Leo
Gamma Leonis
Gamma Leonis is a binary star system in the constellation Leo. It has the traditional name Algieba or Al Gieba.-Name origin and history:...

 
γ2 41 89485 3.80
ρ Leo
Rho Leonis
Rho Leonis is a blue-white 4th-magnitude star in the constellation Leo.Rho Leonis is a supergiant star with a spectral class of B1Iab and has an apparent magnitude of +3.84. It is located at an estimated distance of 870 parsecs, and is 690 parsecs above the plane of the Milky Way galaxy...

 
ρ 47 91316 51624 3.84 −7.38 5719 B1Ib SB Shir, Ser; α Cyg variable
Alpha Cygni variable
Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time others parts expand. They are supergiant stars of spectral types B or A...

μ Leo
Mu Leonis
Mu Leonis is a star in the constellation Leo. It has the traditional names Rasalas and Alshemali, abbreviations of Ras al Asad al Shamaliyy, from the Arabic رأس الأسد الشمالي ra’s al-’asad aš-šamālī "the northern of the lion's head".Mu Leonis is of spectral class K3 and apparent magnitude +4.1...

 
μ 24 85503 48455 3.88 0.83 133 K0III Rasalas, Ras Elased Borealis, Ras al Asad al Shamaliyy, Alshemali
ι Leo
Iota Leonis
Iota Leonis is a star in the constellation Leo.It was known as 太微右垣三, "the Third of the Right Wall of the Supreme Palace Enclosure" or 次將 , "the Vice-General", in traditional Chinese astronomy...

 
ι 78 99028 55642 4.00 2.08 79 F2IV SB Tsze Tseang
σ Leo
Sigma Leonis
Sigma Leonis is a blue-white 4th-magnitude star in the constellation Leo.Sigma Leonis is of the spectral class B9.5Vs and has an apparent magnitude of +4.04....

 
σ 77 98664 55434 4.05 −0.04 214 B9.5Vs Shishimai
54 Leo
54 Leonis
54 Leonis A/B is a binary star in the Leo constellation. It is located about 290 lightyears or 89 parsecs from the Earth.-External links:*...

 
54 94601 53417 4.30 −0.44 289 A1
υ Leo  υ 91 100920 56647 4.30 0.61 178 G9III
λ Leo
Lambda Leonis
Lambda Leonis is a star in the constellation Leo. It has the traditional name Alterf, from the Arabic الطرف "the view "....

 
λ 4 82308 46750 4.32 −0.75 336 K5IIIvar Alterf, Al Terf
31 Leo  A 31 87837 49637 4.39 −0.23 274 K4III
60 Leo  b 60 95608 53954 4.42 1.53 124 A1m
φ Leo  φ 74 98058 55084 4.45 0.56 195 A7IVn
κ Leo
Kappa Leonis
Kappa Leonis is a 4th-magnitude double star in the constellation Leo. It was known as Minchir el-asad on Bode's large star atlas, Uranographia. This name is derived from the Arabic Minkhir al-Asad, "the Muzzle of the Lion" for this star...

 
κ 1 81146 46146 4.47 0.39 213 K2III Al Minliar al Asad
93 Leo  93 102509 57565 4.50 0.29 226 A comp SB DQ Leo; RS CVn variable
RS Canum Venaticorum variable
RS Canum Venaticorum variables are a type of variable star. They are close binary stars having active chromospheres which can cause large stellar spots. These spots are believed to cause variations in their observed luminosity...

72 Leo  72 97778 54951 4.56 −6.99 6653 M3III FN Leo
χ Leo  χ 63 96097 54182 4.62 2.31 94 F2III-IVvar
π Leo  π 29 86663 49029 4.68 −1.35 525 M2III
61 Leo  p2 61 95578 53907 4.73 −1.26 514 K5III
87 Leo  e 87 99998 56127 4.77 −1.57 604 K4III
40 Leo  40 89449 50564 4.78 3.15 69 F6IV
58 Leo  d 58 95345 53807 4.84 −0.26 342 K1III
τ Leo  τ 84 99648 55945 4.95 −1.45 621 G8II-III
59 Leo  c 59 95382 53824 4.98 1.65 151 A5III
ξ Leo ξ 5 82395 46771 4.99 0.67 238 K0IIIvar
10 Leo  10 83240 47205 5.00 0.80 226 K1IIIvar
6 Leo  h 6 82381 46774 5.07 −0.78 482 K3III
48 Leo  48 91612 51775 5.07 0.12 319 G8II-III
75 Leo  75 98118 55137 5.18 −0.31 408 M0III comp
ν Leo  ν 27 86360 48883 5.26 −0.79 529 B9IV
92 Leo  92 101484 56975 5.26 1.00 232 K1III
22 Leo  g 22 85376 48390 5.29 2.27 131 A5IV
73 Leo  n 73 97907 55016 5.31 −0.52 478 K3III
53 Leo  l 53 93702 52911 5.32 0.27 334 A2V
ψ Leo  ψ 16 84194 47723 5.36 −1.34 713 M2III
79 Leo  79 99055 55650 5.39 0.14 365 G8IIICN...
ω Leo  ω 2 81858 46454 5.40 2.72 112 F9V
69 Leo  p5 69 97585 54849 5.40 −0.42 477 A0V
37 Leo  37 89056 50333 5.42 −0.51 499 M1III
46 Leo  46 91232 51585 5.43 −2.18 1083 M2III ES Leo
HD 94402  p1 94402 53273 5.45 0.55 312 G8III double star
Double star
In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e...

52 Leo  k 52 93291 52689 5.49 0.76 287 G4III:
51 Leo  m 51 93257 52686 5.50 1.81 178 K3III
65 Leo  p4 65 96436 54336 5.52 1.55 203 G9IIICN...
95 Leo  o 95 103578 58159 5.53 −0.65 560 A3V
86 Leo  86 100006 56146 5.54 0.55 325 K0III
83069 47168 5.57 −0.25 475 M2III
81 Leo  81 99285 55765 5.58 2.21 154 F2V
44 Leo  44 90254 51008 5.61 −1.06 704 M2IIIs DE Leo
15 Leo  f 15 84107 47701 5.64 2.20 159 A2IV
18 Leo  18 84561 47959 5.67 −0.99 701 K4III
49 Leo  49 91636 51802 5.67 −0.09 462 A2V TX Leo; Algol variable
Algol variable
Algol variables or Algol-type binaries are a class of eclipsing binary stars where the orbital plane of the stars are coincident with the line of sight from Earth. When the cooler component passes in front of the hotter one, part of the latter's light is blocked, and the total brightness of the...

EO Leo  87015 49220 5.68 −2.75 1583 B2.5IV
67 Leo  67 96738 54487 5.70 0.21 408 A3IV
3 Leo  3 81873 46457 5.72 −0.29 518 K0III
8 Leo  8 83189 47189 5.73 −1.60 953 K1III
85 Leo  85 99902 56080 5.74 0.11 435 K4III
86513 48982 5.75 0.76 324 G9III:
89 Leo  89 100563 56445 5.76 3.64 87 F5V
97605 54863 5.79 1.61 223 K3III
84542 47943 5.80 −1.72 1042 M1III
99196 55716 5.80 0.02 468 K4III
100808 56601 5.80 1.52 234 F0V
39 Leo  39 89125 50384 5.81 4.03 74 F8Vw
89024 50336 5.84 0.91 315 K2III:
86080 48734 5.85 −0.73 674 K2III:
DR Leo 83787 47544 5.90 −1.40 942 K6III
76 Leo  76 98366 55249 5.90 1.00 311 K0III:
102590 57606 5.90 1.55 242 F0V
55 Leo  55 94672 53423 5.91 2.70 143 F2III
56 Leo  56 94705 53449 5.91 0.92 325 M5IIIvar VY Leo
35 Leo  35 89010 50319 5.95 3.54 99 G2IV
62 Leo  p3 62 95849 54049 5.95 −0.21 557 K3III
90 Leo  90 100600 56473 5.95 −2.98 1988 B4V
45 Leo  45 90569 51213 6.01 0.65 385 A0sp... CX Leo; α² CVn variable
R Leo
R Leonis
R Leonis is a red hypergiant Mira-type variable star in the constellation Leo.The apparent magnitude of R Leonis varies between 4.31 and 11.65 with a period of 312 days. At maximum it can be seen with the naked eye, while at minimum a telescope of at least 7 cm is needed...

 
84748 6.02 Mira variable
Mira variable
Mira variables , named after the star Mira, are a class of pulsating variable stars characterized by very red colors, pulsation periods longer than 100 days, and light amplitudes greater than one magnitude in infrared and 2.5 magnitude in visual...

88737 50174 6.02 2.44 169 F9V
101980 57240 6.02 −1.25 929 K5III
86369 48876 6.05 −0.04 539 K3III
88639 50109 6.05 0.67 389 G5III-IV
98960 55595 6.05 −0.53 675 K3
102660 57646 6.05 2.07 204 A3m
43 Leo  43 89962 50851 6.06 1.82 229 K3III
20 Leo  20 85040 48218 6.10 0.11 514 A8IV DG Leo; α² CVn variable
94363 53240 6.12 1.61 261 K0III+...
95771 54027 6.12 2.43 178 F0V
90472 51161 6.15 1.13 329 K0
42 Leo  42 89774 50755 6.16 0.34 476 A1V
94720 53472 6.17 −0.28 637 K2
99651 55941 6.23 0.21 522 K2III:
82670 46938 6.26 0.29 509 K7III
13 Leo  13 83821 47550 6.26 0.16 541 K2III:
92941 52513 6.27 2.20 212 A5V
HD 97658  97658 54906 6.27 69 K1V has a planet (b)
88 Leo  88 100180 56242 6.27 4.46 75 G0V
54 Leo
54 Leonis
54 Leonis A/B is a binary star in the Leo constellation. It is located about 290 lightyears or 89 parsecs from the Earth.-External links:*...

 
54 94602 6.30
97244 54688 6.30 2.38 198 A5V
81361 46232 6.31 1.70 272 G9III:
94237 53167 6.31 −0.72 830 K5III
7 Leo  7 83023 47096 6.32 0.35 510 A1V
80 Leo  80 99329 55791 6.35 2.41 200 F3IV
87500 49445 6.36 1.07 372 F2Vn
94180 53141 6.37 −1.16 1045 A3V
102910 57779 6.37 2.66 180 A5m
37 Sex  37 93244 52660 6.38 1.22 351 K1III:
96372 54319 6.40 −0.46 769 K5
80956 46058 6.41 −0.18 679 G5III-IV
89344 50516 6.42 −1.36 1173 K0
34 Leo  34 88355 49929 6.43 2.24 225 F7V
100659 56500 6.43 0.05 616 K0
19 Leo  19 84722 48029 6.44 1.67 293 A7Vn
23 Leo  23 85268 48324 6.45 −2.32 1852 M0III
100655 56508 6.45 0.71 459 G9III
HN Leo  86358 48895 6.48 2.36 218 F3V γ Dor variable
Gamma Doradus variable
Gamma Doradus variables are variable stars which display variations in luminosity due to non-radial pulsations of their surface. The stars are typically young, early F or late A type main sequence stars, and typical brightness fluctuations are 0.1 magnitudes with periods on the order of one day...

64 Leo  64 96528 54388 6.48 2.09 246 A5m
84252 47779 6.49 0.72 464 K0
84680 48023 6.49 0.02 643 K0
83 Leo A
83 Leonis
83 Leonis, abbreviated 83 Leo, is a binary star system approximately 58 light-years away in the constellation of Leo . The primary star of the system is a cool orange subgiant star, while the secondary star is an orange dwarf star. The two stars are separated by at least 515 astronomical units...

 
83 99491 55846 6.49 5.25 58 K0IV binary star
Binary star
A binary star is a star system consisting of two stars orbiting around their common center of mass. The brighter star is called the primary and the other is its companion star, comes, or secondary...

100456 56388 6.49 −1.44 1254 K5
82523 46891 6.50 1.68 300 A3Vnn
18 LMi  18 86012 48742 6.55 3.02 165 F2
9 Leo  9 83273 47247 6.61 2.41 225 G0III
11 Leo  11 83343 47266 6.63 2.58 210 F2
52 LMi  52 96418 54347 6.86 3.14 181 F8IV
71 Leo  71 98824 55533 7.03 0.16 773 K1III
HD 89307
HD 89307
HD 89307 is a yellow main-sequence star located approximately 108 light-years away in the constellation of Leo. The apparent magnitude is 7.06. The mass of the star is identical in value to the Sun.- Planetary system :...

 
89307 50473 7.06 4.61 101 G0V has a planet
Extrasolar planet
An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...

 (b
HD 89307 b
HD 89307 b is an extrasolar planet orbiting the star HD 89307 located approximately 108 light-years away in the constellation of Leo. The planet takes 187 megaseconds to orbit . The planet’s minimum mass is 1.92 MJ since the inclination is unknown...

)
83 Leo B
83 Leonis
83 Leonis, abbreviated 83 Leo, is a binary star system approximately 58 light-years away in the constellation of Leo . The primary star of the system is a cool orange subgiant star, while the secondary star is an orange dwarf star. The two stars are separated by at least 515 astronomical units...

 
83 99492 55848 7.57 6.29 59 K2V component of the 83 Leo system; has two planets (b
83 Leonis Bb
83 Leonis Bb, also catalogued as HD 99492 b or abbreviated 83 Leo Bb, is an extrasolar planet approximately 58 light-years away in the constellation of Leo . The planet was discovered in January 2005 by the California and Carnegie Planet Search team, who use the Doppler spectroscopy method to...

 and c)
HD 81040
HD 81040
HD 81040 is a star in the constellation of Leo. It is G-type yellow dwarf like our Sun.The Sun dwarfs HD 81040 in terms of physical characteristics. The age of the star is not precisely known; the ELODIE spectrograph suggested 0.8 Gyr and found it to have a young dust disk...

 
81040 46076 7.74 5.18 106 G2/G3 has a planet (b
HD 81040 b
HD 81040 b is a massive, gas giant planet that orbits the star HD 81040. The period is just over 1000 days. It has semimajor axis of 1.94 AU. However, the orbit is extremely eccentric, little over 0.5 in value....

)
HD 95089  95089 53666 7.95 2.08 486 K0D has a planet (b
HD 95089 b
HD 95089 b is an extrasolar planet orbiting the K-type star HD 95089 approximately 453 lightyears away in the constellation Leo.-See also:* HD 4313 b* HD 181342 b* HD 206610 b* HD 180902 b* HD 136418 b* HD 212771 b...

)
HD 88133
HD 88133
HD 88133 is an 8th magnitude star in the constellation of Leo. It is classified as a yellow subgiant star . It is slightly more massive than our Sun, cooler and more luminous. As a subgiant, it has left the main sequence and started to evolve towards red gianthood...

 
88133 49813 8.06 3.70 243 G5IV has a planet (b
HD 88133 b
HD 88133 b is an extrasolar planet orbiting the star HD 88133. It is probably less massive than Jupiter and even Saturn. It orbits the star in a very tight orbit, completing one revolution around the star in every three and half days or so. Despite the relatively large radius of the star , no...

)
HD 100777
HD 100777
HD 100777 is an orange subgiant star located approximately 172 light years away in the constellation Leo. The apparent magnitude is 8.42 and absolute magnitude is 4.81. It is also called HIP 56572. In 2007, a planet was found to be orbiting the star....

 
100777 56572 8.42 4.81 172 K0V has a planet (b)
HD 102272
HD 102272
HD 102272 is a K-type giant star approximately 1,200 light-years away in the constellation of Leo. , two extrasolar planets are known to orbit the star.- Planetary system :...

 
102272 57428 8.71 0.93 1200 K0III text-align:left; > has two planets (b
HD 102272 b
HD 102272 b is an extrasolar planet approximately 1,200 light-years away in the constellation of Leo. The planet was discovered orbiting the K-type giant star HD 102272 in 2008. The planet was discovered by the radial velocity method, using the Hobby-Eberly Telescope. Another planet, HD 102272...

 & c
HD 102272 c
HD 102272 c is an extrasolar planet approximately 1,200 light-years away in the constellation of Leo. The planet is orbiting the K-type giant star HD 102272. The planet was discovered by the radial velocity method, using the Hobby-Eberly Telescope. Another planet, HD 102272 b, was also...

)
BD+20°2457
BD+20°2457
BD+20°2457 is a 10th magnitude K-type bright giant star located between 320 to 980 light years away in the constellation of Leo. This star is very metal-poor, containing only 10% as enriched with elements heavier than hydrogen and helium as our sun, almost classifying this as a population II star...

 
9.73 650 K2II has a planet (c
BD+20°2457 c
BD+20°2457 c is a massive extrasolar planet located between 320 to 980 light years away in the constellation of Leo, orbiting the 10th magnitude K-type bright giant star BD+20°2457. It has mass 12.47 times greater than Jupiter and it takes 1.7 years to orbit the star...

) and a brown dwarf
Brown dwarf
Brown dwarfs are sub-stellar objects which are too low in mass to sustain hydrogen-1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no chemical differentiation by depth...

 (b
BD+20°2457 b
BD+20°2457 b is a brown dwarf located between 320 to 980 light years away in the constellation of Leo, orbiting the 10th magnitude K-type bright giant star BD+20°2457. It has mass 21.42 times more massive than Jupiter and the orbit takes 4% longer than Earth’s to go around the star...

)
Gl 436  57087 10.68 10.63 33 M2.5 nearby, has a transiting
Astronomical transit
The term transit or astronomical transit has three meanings in astronomy:* A transit is the astronomical event that occurs when one celestial body appears to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point...

 planet (b
Gliese 436 b
Gliese 436 b is a Neptune-sized extrasolar planet orbiting the red dwarf star Gliese 436. It was among the smallest known transiting planets in mass and radius until the much smaller Kepler discoveries started coming in 2010.-Discovery:...

)
CW Leo
IRC +10216
IRC +10216 or CW Leonis is a well-studied carbon star that is embedded in a thick dust envelope. It was first discovered in 1969 by a group of astronomers led by Eric Becklin, based upon infrared observations made with the Caltech Infrared Telescope at Mount Wilson Observatory. Its energy is...

 
11(B) 200 C... AGB star
Asymptotic Giant Branch
The asymptotic giant branch is the region of the Hertzsprung-Russell diagram populated by evolving low to medium-mass stars. This is a period of stellar evolution undertaken by all low to intermediate mass stars late in their lives....

, carbon star
Carbon star
A carbon star is a late-type star similar to a red giant whose atmosphere contains more carbon than oxygen; the two elements combine in the upper layers of the star, forming carbon monoxide, which consumes all the oxygen in the atmosphere, leaving carbon atoms free to form other carbon compounds,...

, variable
Variable star
A star is classified as variable if its apparent magnitude as seen from Earth changes over time, whether the changes are due to variations in the star's actual luminosity, or to variations in the amount of the star's light that is blocked from reaching Earth...

; brightest star at N-band (10 μm wavelength)
Wolf 359  13.45 16.64 7.78 M6 V CN Leo; 3rd nearest star system; Proxima Leonis; flare star
Flare star
A flare star is a variable star that can undergo unpredictable dramatic increases in brightness for a few minutes. It is believed that the flares on flare stars are analogous to solar flares in that they are due to magnetic reconnection in the atmospheres of the stars. The brightness increase is...

DP Leonis
DP Leonis
DP Leonis is an eclipsing binary system approximately 1304 light-years away from the Sun, probably a cataclysmic variable star of the AM Herculis-type also known as polars...

 
17.5 9.49 1304 DA/M5V? text-align:left; > has a planet (b
DP Leonis b
DP Leonis b is an extrasolar planet, orbiting the 17th magnitude star DP Leonis, constellation Leo. This 6.28 MJ planet orbits two stars, composing of white dwarf and red dwarf at a separation of about 8.6 AU with unknown eccentricity....

)
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