List of stars in Tucana - AbsoluteAstronomy.com

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....

Tucana
Tucana
Tucana is a constellation in the southern sky, created in the late sixteenth century. Its name is Latin for the toucan, a South American bird.-History:...

, 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	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 Tuc Alpha Tucanae Alpha Tucanae is a binary star in the constellation Tucana.The primary component, Alpha Tucanae A, is an orange K-type giant with an apparent magnitude of +2.87. It is approximately 199 light years from Earth...	α	2	211416	110130	2.87	−1.05	199	K3III	astrometric binary
γ Tuc Gamma Tucanae Gamma Tucanae is a star in the constellation Tucana.Gamma Tucanae is a yellow-white F-type giant with an apparent magnitude of +3.99. It is approximately 71.8 light years from Earth....	γ	26	219571	114996	3.99	2.28	72	F1III
ζ Tuc Zeta Tucanae Zeta Tucanae is a star in the constellation Tucana. It is a spectral class F9.5 main sequence star with an apparent magnitude of +4.23. Despite having a slightly lower mass, this star is more luminous than the Sun. Based upon parallax measurements by the Hipparcos spacecraft, it is approximately...	ζ	49	1581	1599	4.23	4.56	28	F9V	nearby Sun Sun The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields... -like star
κ Tuc Kappa Tucanae Kappa Tucanae is a star system in the constellation Tucana. It is approximately 66.6 light years from Earth and the combined apparent magnitude of the system is +4.25....	κ	78	7788	5896	4.25	2.70	67	F6IV	quadruple star Multiple star A multiple star consists of three or more stars which appear from the Earth to be close to one another in the sky. This may result from the stars being physically close and gravitationally bound to each other, in which case it is physical, or this closeness may be merely apparent, in which case...
β¹ Tuc Beta Tucanae Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...	β¹	52	2884	2484	4.36	1.20	140	B9V
ε Tuc Epsilon Tucanae Epsilon Tucanae is a star in the constellation Tucana.Epsilon Tucanae is a blue-white B-type subgiant with an apparent magnitude of +4.49. It is approximately 374 light years from Earth....	ε	44	224686	118322	4.49	−0.81	374	B9IV
δ Tuc Delta Tucanae Delta Tucanae is a binary star in the constellation Tucana. It is approximately 267 light years from Earth.The primary component, Delta Tucanae A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.51. The companion star is a magnitude +9.3 star 7 arcseconds from the...	δ	6	212581	110838	4.51	−0.06	267	B8V
β² Tuc Beta Tucanae Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...	β²	53	2885	2487	4.53	0.92	172	A2V
ν Tuc Nu Tucanae Nu Tucanae is a star in the constellation Tucana.Nu Tucanae is a M-type red giant with a mean apparent magnitude of +4.91. It is approximately 273 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.75 to +4.93....	ν	8	213442	111310	4.91	0.30	273	M4III
η Tuc Eta Tucanae Eta Tucanae is a star in the constellation Tucana.Eta Tucanae is a white A-type main sequence dwarf with an apparent magnitude of +5.00. It is approximately 159 light years from Earth....	η	43	224392	118121	5.00	1.56	159	A1V
β³ Tuc Beta Tucanae Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...	β³	54	3003	2578	5.07	1.73	151	A0V
		5	212330	110649	5.31	3.75	67	F9V
ι Tuc Iota Tucanae Iota Tucanae is a star in the constellation Tucana.Iota Tucanae is a yellow G-type giant with a mean apparent magnitude of +5.36. It is approximately 279 light years from Earth. It is classified as a semiregular variable star and its brightness varies by 0.06 magnitudes....	ι	76	6793	5268	5.36	0.70	279	G5III
ρ Tuc Rho Tucanae Rho Tucanae is a binary star in the constellation Tucana.Rho Tucanae is a spectroscopic binary composed of two yellow-white F-type main sequence dwarfs with a combined apparent magnitude of +5.38. The binary star has a rotation period of 4.82 days. It is approximately 133 light years from Earth....	ρ	62	4089	3330	5.38	2.33	133	F6V
λ² Tuc Lambda Tucanae The Bayer designation Lambda Tucanae is shared by two star systems, λ¹ Tucanae and λ² Tucanae, in the constellation Tucana. They are separated by 0.23° in the sky.-λ¹ Tucanae:...	λ²	70	5457	4293	5.45	1.40	210	G7III
π Tuc Pi Tucanae Pi Tucanae is a star in the constellation Tucana.Pi Tucanae is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.50. It is approximately 306 light years from Earth....	π	50	1685	1647	5.50	0.64	306	B9V
		45	225253	377	5.59	−0.63	572	B8III
		29	220572	115620	5.60	0.89	285	K0III
		32	220790	115769	5.63	0.82	298	G8III
		25	219482	114948	5.64	4.07	67	F7V
CG Tuc		33	221006	115908	5.66	0.33	380	Ap Si	α² CVn variable
BQ Tuc		69	5276	4200	5.73	−0.64	613	M4III
		36	222820	117088	5.73	−1.42	879	K3II
		60	3823	3170	5.89	3.86	83	G1V
		42	224361	118092	5.95	1.96	205	A2p
		10	214632	111967	5.98	−1.90	1226	K4III
		61	4088	3352	5.99	1.68	237	K5III
		64	4294	3489	6.06	1.44	274	F5III/IV
		35	222805	117105	6.06	2.75	150	G8IV
DR Tuc		28	220263	115433	6.08	−1.00	851	M3III
θ Tuc Theta Tucanae Theta Tucanae is a star in the constellation Tucana.Theta Tucanae is a white A-type subgiant with a mean apparent magnitude of +6.11. It is approximately 490 light years from Earth. It is classified as a Delta Scuti type variable star and its brightness varies from magnitude +6.06 to +6.15 with...	θ	55	3112	2629	6.11	0.22	490	A7IV	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...
		23	219077	114699	6.12	3.79	95	G5IV
		18	216187	112924	6.14	0.69	401	K0III
		9	213884	111548	6.22	2.07	220	F0Vn
		72	5771	4563	6.23	0.07	557	Am
		80	7916	5992	6.23	1.16	336	A0V
CC Tuc		74	6311	4879	6.25	−0.71	803	M2III
		11	215121	112259	6.29	0.63	442	F3V
		46	565	798	6.34	0.68	442	A6V
		15	215682	112603	6.36	0.95	393	K0III
		4	211726	110311	6.41	−0.48	780	K3/K4III
		57	3444	2889	6.43	−0.05	646	K2/K3III
		17	216169	112895	6.47	1.27	357	K1IIICN...
		30	220759	115756	6.47	−0.70	886	K4III
		14	215562	112533	6.49	0.05	633	K1III
65 G. Tuc HD 4308 HD 4308 is a 6th magnitude star located approximately 71 light years away in the southern constellation of Tucana.-Planetary system:...		65	4308	3497	6.54	4.84	72	G5V	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 4308 b HD 4308 b is a low-mass jovian exoplanet orbiting around HD 4308. The planet orbits very close to the star.... )
λ¹ Tuc Lambda Tucanae The Bayer designation Lambda Tucanae is shared by two star systems, λ¹ Tucanae and λ² Tucanae, in the constellation Tucana. They are separated by 0.23° in the sky.-λ¹ Tucanae:...	λ¹	68	5190	4084	6.67	2.73	200	F7IV/V
HD 221287 HD 221287 HD 221287 is a yellow-white main-sequence star approximately 173 light years away in the constellation of Tucana. It has an apparent magnitude of 7.82 and absolute magnitude of 4.20. This star is also named HIP 116084.- Planetary system :...			221287	116084	7.82	4.20	173	F7V	has a planet (b)
HD 7199			7199	5529	8.06		117	KOIV/V	has a planet (b)
ξ Tuc 47 Tucanae 47 Tucanae or just 47 Tuc is a globular cluster located in the constellation Tucana. It is about 16,700 light years away from Earth, and 120 light years across. It can be seen with the naked eye, with a visual magnitude of 4.0...	ξ	51	2051	1902	8.88		13,400	Ne...	globular cluster Globular cluster A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is... 47 Tuc 47 Tucanae 47 Tucanae or just 47 Tuc is a globular cluster located in the constellation Tucana. It is about 16,700 light years away from Earth, and 120 light years across. It can be seen with the naked eye, with a visual magnitude of 4.0... (numbered in Bode's catalogue)
HD 215497 HD 215497 HD 215497 is a star located approximately 142 light-years away in the constellation of Tucana. It is a K3V star with the characteristics very similar to the Sun. In 2009, two extrasolar planets were discovered orbiting the star.- Planetary system :...			215497	112441	8.97	5.78	142	K3V	has two planets (b HD 215497 b HD 215497 b is an extrasolar planet which orbits the K-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least 6.6 times the mass of Earth. This planet was detected by HARPS on October 19, 2009, together with 29 other... & c HD 215497 c HD 215497 c is an extrasolar planet which orbits the G-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least one-thirds the mass of Jupiter and takes 568 days to orbit the star at a semimajor axis of 1.282 AU... )
HD 5980 HD 5980 HD 5980 is a binary star in NGC 346 nebula. It is one of the brightest stars in the Small Magellanic Cloud, and one of the most luminous stars known. HD 5980 A is probably a luminous blue variable of about 40–60 solar masses, while HD 5980 B is an evolved Wolf–Rayet star of about 30 solar masses....			5980		11.52	−11.5	200,000	WN3+OB D	one of the most luminous stars known

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