List of stars in Libra - 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....

Libra
Libra (constellation)
Libra is a constellation of the zodiac. Its name is Latin for weighing scales, and its symbol is . It is fairly faint, with no first magnitude stars, and lies between Virgo to the west and Scorpius to the east.-Notable features:]...

, 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	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
β Lib Beta Librae Beta Librae is the brightest star in the constellation Libra. It has the traditional name Zubeneschamali and the Latin name Lanx Borealis...	β	27	135742	74785	2.61	−0.84	160	B8V	Zubeneschamali, Zuben Eschamali, Zuben el Chamali, Zubenesch, Zubenelg, Kiffa Borealis, Lanx Australis
α² Lib Alpha Librae Alpha Librae is the second brightest star in the constellation Libra . It has the traditional name Zubenelgenubi. The name, from Arabic الزبن الجنوبي , means "southern claw" and was coined before Libra was recognized as distinct from Scorpius...	α²	9	130841	72622	2.75	0.88	77	A3IV	Zubenelgenubi, Zuben Elgenubi, Kiffa Australis, Elkhiffa australis
σ Lib Sigma Librae Sigma Librae is a star in the constellation Libra. It has the traditional names Brachium , Cornu , and Zubenalgubi ....	σ	20	133216	73714	3.25	−1.51	292	M3/M4III	previously γ Scorpii Scorpius Scorpius, sometimes known as Scorpio, is one of the constellations of the zodiac. Its name is Latin for scorpion, and its symbol is . It lies between Libra to the west and Sagittarius to the east... ; Brachium, Cornu, Zuben el Genubi, Zuben Hakrabi, Ankaa
υ Lib Upsilon Librae Upsilon Librae is a Class K3, fourth-magnitude star in the constellation Libra. Upsilon Librae is a double or multiple stellar system located about 195 light-years from Earth....	υ	39	139063	76470	3.60	−0.28	195	K3III
τ Lib Tau Librae Tau Librae is a Class B2.5, fourth-magnitude star in the constellation Libra. Tau Librae is a stellar system located about 445 light-years from Earth....	τ	40	139365	76600	3.66	−2.01	445	B2.5V
γ Lib Gamma Librae Gamma Librae is a star in the constellation Libra. It has the traditional name Zuben-el-Akrab, meaning "Shears of the Scorpion". The name is a modification of the Arabic al-Zuban al-Aqrab...	γ	38	138905	76333	3.91	0.56	152	K0III	Zuben Elakrab, Zuben (el) Hakrabi, Zuben Hakraki
θ Lib Theta Librae Theta Librae is a giant star in the constellation Libra. It is located about 163 light years from the Earth and has an estimated mass about 84% greater than the Sun....	θ	46	142198	77853	4.13	0.64	163	K0III
16 Lib		16	132052	73165	4.47	2.24	91	F0V
ι Lib	ι	24	134759	74392	4.54	−0.77	376	Asp...
37 Lib		37	138716	76219	4.61	2.30	94	K1IV
κ Lib	κ	43	139997	76880	4.75	−0.69	400	K5III
δ Lib Delta Librae Delta Librae is a variable star in the constellation Libra. It has the proper name Zuben Elakribi. With μ Vir it forms one of the Akkadian lunar mansions Mulu-izi ....	δ	19	132742	73473	4.91	0.06	304	B9.5V	Zuben Elakribi, Mulu-lizi; 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...
ε Lib	ε	31	137052	75379	4.92	2.37	106	F5IV
11 Lib		11	130952	72631	4.93	0.82	216	G8...
48 Lib		48	142983	78207	4.95	−1.03	513	B8Ia/Iab	FX Lib; γ Cas variable; Be star Be star A Be star is a B-type star with prominent emission lines of hydrogen in its spectrum. The designation is combined by the spectral class, B, and the lowercase e denoting emission in the spectral classification system. Line emission from other atomic ions might be present as well, but is typically...
42 Lib		42	139663	76742	4.97	−0.37	381	K3III
λ Lib	λ	45	142096	77811	5.04	−0.15	356	B3V
36 Lib		36	138688	76259	5.13	−0.14	369	K2/K3III
α¹ Lib Alpha Librae Alpha Librae is the second brightest star in the constellation Libra . It has the traditional name Zubenelgenubi. The name, from Arabic الزبن الجنوبي , means "southern claw" and was coined before Libra was recognized as distinct from Scorpius...	α¹	8	130819	72603	5.15	3.28	77	F3V	Zubenelgenubi, Zuben Elgenubi, Kiffa Australis, Elkhiffa australis
IU Lib (90 G. Lib)			138764	76243	5.16	0.00	351	B6IV
ν Lib	ν	21	133774	73945	5.19	−1.66	765	K5III	Zuben Hakrabim
12 Lib		12	131430	72929	5.27	−0.09	384	K2/K3III
μ Lib	μ	7	130559	72489	5.32	1.03	235	Ap
3 G. Lib			126218	70469	5.34	−0.10	400	K0III
41 Lib		41	139446	76628	5.36	0.27	340	G8III/IV
η Lib	η	44	140417	77060	5.41	2.14	147	A6IV	Zuben Hakrabi, Zuban Alakrab
49 Lib		49	143333	78400	5.47	2.89	107	F7V
ξ² Lib	ξ²	15	131918	73133	5.48	−0.61	538	K4III
84 G. Lib			138413	76106	5.50	1.29	227	A2IV
39 G. Lib			132833	73497	5.52	−0.67	564	M0III
64 G. Lib			135534	74732	5.52	−0.41	500	K2III
ζ Lib	ζ	35	138485	76126	5.53	−1.33	769	B3V
30 Ser		30	141378	77464	5.53	2.07	160	A5IV
50 Lib		50	143459	78436	5.53	−0.21	459	A0Vs
71 G. Lib			136479	75127	5.54	0.96	269	K1III
32 Lib		32	137744	75730	5.64	−1.58	908	K4III
21 G. Lib			130529	72488	5.68	−1.99	1113	K3III+...
4 Lib		4	129433	71974	5.70	0.21	409	B9.5V
KX Lib Gliese 570 Gliese 570, also known as 33 G. Librae, is a ternary star system approximately 19 light-years away. The primary star is an orange dwarf star . The other secondary stars are themselves a binary system, two red dwarfs that orbit one another. A brown dwarf has been confirmed to be orbiting in the... (33 G. Librae)			131977	73184	5.72	6.86	19	K4V	BY Draconis variable BY Draconis variable BY Draconis variables are main sequence variable stars of late spectral types, usually K or M. The name comes from the archetype for this category of variable star system, BY Draconis. They exhibit variations in their luminosity due to rotation of the star coupled with star spots, and other...
75 G. Lib			136956	75352	5.72	−0.61	603	G8III
51 G. Lib			134373	74239	5.75	0.05	450	K0III
ξ¹ Lib	ξ¹	13	131530	72934	5.78	0.54	365	G7III
96 G. Lib			139254	76532	5.79	1.18	272	K0III
15 G. Lib			129944	72210	5.80	0.55	366	K0III
34 Lib		34	138137	75944	5.82	−0.37	564	K0III
99 G. Lib			139329	76569	5.82	1.06	292	K0III
59 G. Lib			135051	74539	5.84	−1.41	918	G8/K0II
18 Lib		18	132345	73310	5.88	0.95	316	K3III-IV
47 Lib		47	142378	77939	5.95	−0.46	623	B2/B3V
18 G. Lib			130157	72310	6.05	−2.73	1863	K4/K5III
25 Lib		25	134967	74493	6.07	1.93	219	A2V
37 G. Lib			132375	73309	6.08	3.37	114	F8V
HR Lib (118 G. Lib)			142703	78078	6.11	2.49	173	A2Ib/II	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...
47 G. Lib			133670	73927	6.13	2.24	195	K0III
ο Lib	ο	29	136407	75118	6.14	2.45	178	F2V
23 G. Lib			130557	72449	6.15	0.98	353	B9Vsvar...
28 Lib		28	136366	75110	6.16	−0.27	631	G8II/III
26 Lib		26	135230	74600	6.18	−1.80	1283	B9III
94 G. Lib			139160	76503	6.19	−0.14	600	B9IV
10 G. Lib			128429	71469	6.20	3.58	109	F5V
81 G. Lib			138105	75939	6.20	1.92	234	A3V
113 G. Lib			141853	77689	6.20	−0.43	692	G8III
2 Lib		2	126035	70336	6.22	1.19	330	G7III
111 G. Lib			140986	77287	6.24	−1.05	937	K0
86 G. Lib			138488	76143	6.26	1.22	331	A3/5V +A9/F2
10 Lib		10	131027	72702	6.27	−0.97	913	K0II/III
63 G. Lib			135367	74623	6.28	−0.95	911	K2
83 G. Lib			138268	76033	6.28	1.96	239	A5V
108 G. Lib			140301	77007	6.30	0.80	411	K0III
97 G. Lib			139290	76567	6.32	0.14	562	K1III
117 G. Lib			142640	78059	6.32	2.29	208	F6V
5 Lib		5	129978	72194	6.33	−1.33	1109	K2III
104 G. Lib			139518	76666	6.33	1.47	306	B9.5V
19 G. Lib			130325	72373	6.34	1.12	361	K0III
42 G. Lib			132953	73571	6.38	0.13	580	A3
22 Lib		22	133800	73953	6.41	0.90	413	A1V
17 G. Lib			129980	72217	6.43	3.30	138	G2V
79 G. Lib			137798	75790	6.43	2.51	198	G0V
23 Lib 23 Librae 23 Librae is a yellow dwarf star in the constellation Libra, and is about 83.7 light-years from the Sun. 23 Lib has a mass of 1.05 suns and a radius of 1.25 suns...		23	134987	74500	6.45	4.40	84	G5V	has two planets 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 23 Librae b 23 Librae b is an extrasolar Jovian planet discovered in 1999 orbiting the star 23 Librae. It orbits in its star's habitable zone.... & c 23 Librae c 23 Librae c is an extrasolar planet like Jupiter discovered in 2009 orbiting the star 23 Librae. It has one of the longest known orbits of a planet detected via radial velocity. The actual orbital period of this planet range from 4600 to 5400 days, or from 12.5 to 15 years... )
103 G. Lib			139461	76603	6.45	4.47	81	F6V
30 Lib		30	136801	75294	6.46	−0.43	780	K4III
55 G. Lib			134946	74490	6.47	0.96	412	B8III
4 G. Lib			126251	70452	6.49	1.72	293	F4III
6 G. Lib			126363	70501	6.49	0.48	520	K2III
9 G. Lib			127964	71295	6.49	0.12	613	A3V
53 G. Lib			134758	74391	6.49	0.33	555	K4III
110 G. Lib			140722	77235	6.49	2.33	222	F0V
72 G. Lib			136646	75272	6.50	0.83	443	K0III
17 Lib		17	132230	73249	6.61	1.30	376	A1V
33 Lib		33	137949	75848	6.69	1.94	291	Ap
HD 141937 HD 141937 HD 141937 is a star in the constellation of Libra at a distance of 109 ly. The apparent magnitude is 7.25, which is not visible to the naked eye. It is classified as a yellow dwarf similar to our Sun. Its mass is exactly the same as our Sun, 1 solar mass, and it is slightly larger in radius, at...			141937	77740	7.25	4.63	109	G2/G3V	has a planet (b HD 141937 b HD 141937 b is an extrasolar planet discovered in August 2002 with mass of 9.7 times Jupiter. The mass is minimum since the inclination of the orbit is unknown, which will probably be a brown dwarf instead if the true mass is known... )
Gl 581 Gliese 581 Gliese 581 is a red dwarf star with spectral type M3V, located 20.3 light years away from Earth in the constellation Libra. Its estimated mass is about a third of that of the Sun, and it is the 89th closest known star system to the Sun. Observations suggest that the star has at least six planets:...				74995	10.55	11.57	20	M3	HO Lib; 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... , has at least 6 planets (b Gliese 581 b Gliese 581 b or Gl 581 b is an extrasolar planet orbiting the star Gliese 581. It is the first planet of six discovered in the system so far, and the second in order from the star.- Discovery :... , c Gliese 581 c Gliese 581 c or Gl 581 c is a planet orbiting the red dwarf star Gliese 581. It is the second planet discovered in the system and the third in order from the star. With a mass at least 5.6 times that of the Earth, it is classified as a super-Earth... , d Gliese 581 d Gliese 581 d or Gl 581 d is an extrasolar planet orbiting the star Gliese 581 approximately 20 light-years away in the constellation of Libra. It is the third planet discovered in the system and the fifth in order from the star.... , e Gliese 581 e Gliese 581 e or Gl 581 e is an extrasolar planet found around Gliese 581, an M3V red dwarf star approximately 20.5 light-years away from Earth in the constellation of Libra... , f Gliese 581 f Gliese 581 f or Gl 581 f is an unconfirmed planet in the Gliese 581 system, located 20 light years from Earth. It is the fifth planet discovered in the system and the sixth known in order from the star. Its discovery was announced September 29, 2010... & g Gliese 581 g Gliese 581 g , also Gl 581 g or GJ 581 g, is a hypothesized extrasolar planet proven nonexistent by the Geneva Team, orbiting the red dwarf star Gliese 581, 20.5 light-years from Earth in the constellation of Libra. It is the sixth planet discovered in the Gliese 581 planetary system and the fourth... )

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