List of stars in Grus
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....

 Grus
Grus (constellation)
Grus is a constellation in the southern sky. Its name is Latin for the crane, a species of bird. It was introduced in the late sixteenth century.-History:The stars that form Grus were originally considered part of Piscis Austrinus...

, 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...

G.
Gould designation
Gould designations for stars are similar to Flamsteed designations in the way that they number stars within a constellation in increasing order of right ascension. Each star is assigned an integer , followed by " G. " , and then 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
α Gru
Alpha Gruis
Alpha Gruis is the brightest star in the constellation Grus.Alpha Gruis has a proper name Alnair or Al Nair , came from the Arabic al-nayyir [an-nai:r], meaning "the bright one"...

 
α 28 209952 109268 1.73 −0.73 101 B7IV Alnair (Al Nair, Al Na'ir)
β Gru
Beta Gruis
Beta Gruis is the second brighest star in the southern constellation of Grus. It was once considered the rear star in the tail of the constellation of the Fish: it, with α, δ, θ...

 
β 57 214952 112122 2.07 −1.52 170 M5III Gruid
γ Gru
Gamma Gruis
Gamma Gruis is a 3rd-magnitude star in the constellation Grus. It is also known as Al Dhanab, "the Tail ". It once belonged to the Ptolemaic constellation Piscis Austrinus....

 
γ 18 207971 108085 3.00 −0.97 203 B8III Al Dhanab, Ras Alkurki
ε Gru  ε 68 215789 112623 3.49 0.49 130 A3V
ι Gru  ι 90 218670 114421 3.88 0.11 185 K0III SB
δ1 Gru  δ1 42 213009 110997 3.97 −0.82 296 G6/G8III
ζ Gru  ζ 77 217364 113638 4.11 1.42 112 G8III
δ2 Gru  δ2 43 213080 111043 4.12 −0.87 325 M4.5IIIa
θ Gru  θ 84 218227 114131 4.28 1.23 133 F5me...
λ Gru  λ 27 209688 109111 4.47 0.07 247 M0III
μ1 Gru  μ1 35 211088 109908 4.79 0.26 262 G8III+...
ρ Gru  ρ 59 215104 112203 4.84 0.68 222 K0III
η Gru  η 61 215369 112374 4.84 −0.57 394 K2IIICNIV
μ2 Gru  μ2 36 211202 109973 5.11 0.78 240 G8III
ξ Gru  ξ 2 204783 106327 5.29 −0.06 383 K0III
37 211415 110109 5.36 4.69 44 G1V
κ Gru  κ 83 217902 113957 5.37 −0.02 390 K5III
69 216149 112832 5.43 −2.22 1105 K3III
20 208321 108294 5.45 0.52 315 A3V
ν Gru  ν 41 212953 110936 5.47 0.94 262 G8III
24 208737 108543 5.50 0.09 393 K1II/III
62 215405 112381 5.52 −1.02 664 K3III
ο Gru  ο 107 220729 115713 5.53 3.01 104 F4V
φ Gru  φ 97 219693 115054 5.54 2.84 113 F5V
3 204960 106429 5.57 −0.83 622 K0III
13 207129 107649 5.57 4.60 51 G2V
π2 Gru  π2 39 212132 110506 5.62 2.58 132 F3III-IV
υ Gru  υ 85 218242 114132 5.62 0.84 294 A0V
78 217403 113657 5.68 −0.16 481 K3III
τ3 Gru  τ3 75 216823 113307 5.72 1.11 272 Am...
106 220440 115537 5.75 −0.39 552 M0III
92 219263 114775 5.77 1.49 234 K2III
82 217842 113902 5.79 0.97 301 K0III
87 218269 114167 5.81 2.81 130 F6.5IV-V+..
88 218630 114382 5.83 3.13 113 F4IV
σ2 Gru  σ2 51 214150 111643 5.85 1.71 219 A1V
DL Gru  89 218655 114407 5.90 −1.05 799 M4III
94 219507 114921 5.92 1.19 288 K1III
56 214953 112117 5.99 4.13 77 G0
τ1 Gru
Tau1 Gruis
Tau¹ Gruis , also cataloged as HD 216435 and HR 8700, is a yellow dwarf star approximately 109 light-years away in the constellation of Grus . The star is visible to the naked eye for some people, placing it in the Bright Star Catalogue...

 
τ1 70 216435 113044 6.03 3.42 109 G3IV 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...

101 220003 115272 6.04 1.26 294 Fm...
58 214987 112127 6.06 1.10 320 K1IV
34 211053 109902 6.10 −0.16 583 G8/K0III
105 220401 115496 6.12 −1.55 1116 K3III
DQ Gru 104 220392 115510 6.13 0.29 480 A4III δ Scuti 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...

BZ Gru  21 208435 108347 6.18 0.53 440 F2/F3V δ Scuti variable
32 210918 109821 6.23 4.51 72 G5V
11 206642 107344 6.28 −0.62 782 K1IIICN...
σ1 Gru  σ1 50 214085 111594 6.28 2.07 226 A3Vn
5 205096 106500 6.32 1.34 323 K1IIICN...
86 218255 114159 6.33 −1.68 1304 K4III
73 216666 113189 6.40 −0.33 723 K2III
π1 Gru  π1 38 212087 110478 6.42 0.50 498 S5,7:
29 210204 109408 6.43 −0.19 686 K3III
79 217642 113784 6.46 0.93 415 K1III
65 215504 112432 6.49 −0.35 760 K0III-IV
95 219531 114937 6.49 0.61 489 K0III
τ2 Gru  τ2 71 216656 113190 6.67 3.33 152 F7V:
τ2 Gru  τ2 72 216655 113191 7.04 3.71 151 G5
45 G. Gru
HD 213240
HD 213240 is a yellow main sequence star located approximately 133 light years away in the constellation Grus. The magnitudes were m=6.80 and M=3.75. It is a metal-rich star and more evolved than our sun...

 
45 213240 111143 6.80 3.75 133 G0/G1V has a planet (b
HD 213240 b
HD 213240 b is an extrasolar planet located approximately 133 light-years away in the constellation of Grus, orbiting the star HD 213240....

)
HD 208487
HD 208487
HD 208487 is a 7th magnitude G-type main sequence star located approximately 144 light-years away in the constellation of Grus. It has the same spectral type as our sun, G2V. However, it is probably slightly less massive and more luminous, indicating that it is slightly older...

 
208487 108375 7.48 4.26 143 G2V: has two planets (b
HD 208487 b
HD 208487 b is an extrasolar planet located approximately 144 light-years away in the constellation of Grus, orbiting the star HD 208487. This planet has a minimum mass close to half that of Jupiter and is most probably a gas giant. The planet orbits the star in a close, eccentric orbit. One...

 & c)
Gliese 832
Gliese 832
Gliese 832 is a red dwarf star in the constellation Grus. It is located relatively near our Sun, at a distance of 16.1 light years...

 
204961 106440 8.67 10.20 16.1 M1.5V text-align:left; > has a planet (b
Gliese 832 b
Gliese 832 b is an extrasolar planet located approximately 16 light-years away in the constellation of Grus, orbiting the star Gliese 832. This is the longest-period Jupiter-like planet orbiting around a red dwarf star. This planet takes 3416 days to revolve at an orbital distance of 3.4 AU...

)
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK