Astronomy:List of stars in Libra

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This is the list of notable stars in the constellation Libra, sorted by decreasing brightness.

Name	B	F	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
β Lib	β	27		135742	74785	15h 17m 00.47s	−09° 22′ 58.3″	2.61	−0.84	160	B8V	Zubeneschamali; suspected variable
α2 Lib	α2	9		130841	72622	14h 50m 52.78s	−16° 02′ 29.8″	2.75	0.88	77	A3IV	Zubenelgenubi; spectroscopic binary; suspected variable; member of the α Lib system
σ Lib	σ	20		133216	73714	15h 04m 04.26s	−25° 16′ 54.7″	3.25	−1.51	292	M3/M4III	previously γ Scorpii, Brachium; semiregular variable, Vmax = 3.2m, Vmin = 3.46m, P = 20 d
υ Lib	υ	39		139063	76470	15h 37m 01.46s	−28° 08′ 06.3″	3.60	−0.28	195	K3III	previously o Scorpii
τ Lib	τ	40		139365	76600	15h 38m 39.38s	−29° 46′ 39.7″	3.66	−2.01	445	B2.5V
γ Lib	γ	38		138905	76333	15h 35m 31.54s	−14° 47′ 22.4″	3.91	0.56	152	K0III	Zubenelhakrabi, has two planets
θ Lib	θ	46		142198	77853	15h 53m 49.48s	−16° 43′ 46.6″	4.13	0.64	163	K0III
16 Lib		16		132052	73165	14h 57m 11.06s	−04° 20′ 45.9″	4.47	2.24	91	F0V
ι1 Lib	ι1	24		134759	74392	15h 12m 13.31s	−19° 47′ 29.9″	4.54	−0.77	376	Asp...	α2 CVn variable, Vmax = 4.53m, Vmin = 4.56m, P = 3.10 d
37 Lib		37		138716	76219	15h 34m 10.52s	−10° 03′ 50.3″	4.61	2.30	94	K1IV
κ Lib	κ	43		139997	76880	15h 41m 56.82s	−19° 40′ 42.9″	4.75	−0.69	400	K5III	Rì (日), suspected variable
δ Lib	δ	19		132742	73473	15h 00m 58.39s	−08° 31′ 08.2″	4.91	0.06	304	B9.5V	Zuben Elakribi or Mululizu; Algol variable, Vmax = 4.91m, Vmin = 5.9m, P = 2.33 d
ε Lib	ε	31		137052	75379	15h 24m 11.93s	−10° 19′ 18.8″	4.92	2.37	106	F5IV
11 Lib		11		130952	72631	14h 51m 01.02s	−02° 17′ 55.9″	4.93	0.82	216	G8...	RS CVn variable, Vmax = 4.91m, Vmin = 4.95m, P = 60.55 d
48 Lib		48	FX	142983	78207	15h 58m 11.38s	−14° 16′ 45.5″	4.95	−1.03	513	B8Ia/Iab	γ Cas variable, Vmax = 4.74m, Vmin = 4.96m
42 Lib		42		139663	76742	15h 40m 16.91s	−23° 49′ 05.0″	4.97	−0.37	381	K3III	suspected variable
λ Lib	λ	45		142096	77811	15h 53m 20.06s	−20° 10′ 01.2″	5.03	−0.16	356	B3V	α2 CVn variable, ΔV = 0.02m, P = 3.31 d
36 Lib		36		138688	76259	15h 34m 37.31s	−28° 02′ 48.9″	5.13	−0.14	369	K2/K3III
α1 Lib	α1	8		130819	72603	14h 50m 41.26s	−15° 59′ 49.5″	5.15	3.28	77	F3V	spectroscopic binary; member of the α Lib system
HR 5780			IU	138764	76243	15h 34m 26.53s	−09° 11′ 00.1″	5.16	0.00	351	B6IV	slowly pulsating B star, Vmax = 5.14m, Vmin = 5.19m, P = 1.26 d
ν Lib	ν	21		133774	73945	15h 06m 37.62s	−16° 15′ 24.3″	5.19	−1.66	765	K5III	Zuben Hakrabim
12 Lib		12		131430	72929	14h 54m 20.14s	−24° 38′ 31.7″	5.27	−0.09	384	K2/K3III
μ Lib	μ	7		130559	72489	14h 49m 19.09s	−14° 08′ 56.3″	5.32	1.03	235	Ap	α2 CVn variable
HD 126218				126218	70469	14h 24m 48.66s	−24° 48′ 22.6″	5.34	−0.10	400	K0III
41 Lib		41		139446	76628	15h 38m 54.51s	−19° 18′ 06.2″	5.36	0.27	340	G8III/IV
η Lib	η	44		140417	77060	15h 44m 04.42s	−15° 40′ 21.6″	5.41	2.14	147	A6IV	Zuben Hakrabi
49 Lib		49		143333	78400	16h 00m 19.98s	−16° 31′ 56.6″	5.47	2.89	107	F7V	variable star, ΔV = 0.004m, P = 0.45 d
ξ2 Lib	ξ2	15		131918	73133	14h 56m 46.11s	−11° 24′ 35.0″	5.48	−0.61	538	K4III
HD 138413				138413	76106	15h 32m 36.71s	−19° 40′ 13.3″	5.50	1.29	227	A2IV
HD 132833				132833	73497	15h 01m 19.81s	−02° 45′ 17.5″	5.52	−0.67	564	M0III	suspected variable
HD 135534				135534	74732	15h 16m 23.03s	−22° 23′ 57.9″	5.52	−0.41	500	K2III
ζ4 Lib	ζ4	35		138485	76126	15h 32m 55.23s	−16° 51′ 10.1″	5.53	−1.33	769	B3V	suspected variable
30 Ser		(30)		141378	77464	15h 48m 56.81s	−03° 49′ 06.7″	5.53	2.07	160	A5IV
50 Lib		50		143459	78436	16h 00m 47.64s	−08° 24′ 40.8″	5.53	−0.21	459	A0Vs
HD 136479				136479	75127	15h 21m 07.64s	−05° 49′ 29.4″	5.54	0.96	269	K1III
ζ1 Lib	ζ1	32		137744	75730	15h 28m 15.40s	−16° 42′ 59.1″	5.64	−1.58	908	K4III
HD 130529				130529	72488	14h 49m 18.76s	−24° 15′ 05.3″	5.68	−1.99	1113	K3III+...
4 Lib		4		129433	71974	14h 43m 13.57s	−24° 59′ 51.8″	5.70	0.21	409	B9.5V	53 Hydrae
Gliese 570			KX	131977	73184	14h 57m 27.35s	−21° 24′ 55.7″	5.72	6.86	19	K4V	BY Dra variable, ΔV = 0.04m
HD 136956				136956	75352	15h 23m 52.26s	−12° 22′ 09.9″	5.72	−0.61	603	G8III
HD 134373				134373	74239	15h 10m 18.65s	−26° 19′ 57.4″	5.75	0.05	450	K0III
ξ1 Lib	ξ1	13		131530	72934	14h 54m 22.91s	−11° 53′ 54.0″	5.78	0.54	365	G7III
HD 139254				139254	76532	15h 37m 48.06s	−23° 08′ 29.5″	5.79	1.18	272	K0III
HD 129944				129944	72210	14h 46m 06.75s	−23° 09′ 10.3″	5.80	0.55	366	K0III
ζ3 Lib	ζ3	34		138137	75944	15h 30m 40.39s	−16° 36′ 34.0″	5.82	−0.37	564	K0III
HD 139329				139329	76569	15h 38m 16.24s	−21° 00′ 58.2″	5.82	1.06	292	K0III
HD 135051				135051	74539	15h 13m 53.32s	−26° 11′ 36.8″	5.84	−1.41	918	G8/K0II
18 Lib		18		132345	73310	14h 58m 53.64s	−11° 08′ 37.9″	5.88	0.95	316	K3III-IV
47 Lib		47		142378	77939	15h 55m 00.37s	−19° 22′ 58.4″	5.95	−0.46	623	B2/B3V	suspected variable
HD 130157				130157	72310	14h 47m 13.66s	−21° 19′ 29.6″	6.05	−2.73	1863	K4/K5III
ι2 Lib	ι2	25		134967	74493	15h 13m 19.22s	−19° 38′ 50.8″	6.07	1.93	219	A2V
HD 132375				132375	73309	14h 58m 52.99s	−04° 59′ 20.4″	6.08	3.37	114	F8V
HD 142703			HR	142703	78078	15h 56m 33.33s	−14° 49′ 45.7″	6.12	2.48	173	A2Ib/II	δ Sct variable, ΔV = 0.02m, P = 0.06 d
HD 133670				133670	73927	15h 06m 27.10s	−22° 01′ 54.1″	6.13	2.24	195	K0III	suspected variable
ο Lib	ο	29		136407	75118	15h 21m 01.36s	−15° 32′ 54.2″	6.14	2.45	178	F2V
HD 130557				130557	72449	14h 48m 54.10s	−00° 50′ 51.7″	6.15	0.98	353	B9Vsvar...
28 Lib		28		136366	75110	15h 20m 53.68s	−18° 09′ 30.6″	6.16	−0.27	631	G8II/III
26 Lib		26		135230	74600	15h 14m 33.77s	−17° 46′ 06.7″	6.18	−1.80	1283	B9III
HD 139160				139160	76503	15h 37m 28.51s	−26° 16′ 47.3″	6.19	−0.14	600	B9IV
HD 128429				128429	71469	14h 36m 59.80s	−12° 18′ 19.1″	6.20	3.66	88	F6V + WD	Blue straggler
HD 138105				138105	75939	15h 30m 36.25s	−20° 43′ 42.5″	6.20	1.92	234	A3V	suspected variable
HD 141853				141853	77689	15h 51m 38.41s	−14° 08′ 00.8″	6.20	−0.43	692	G8III
2 Lib		2		126035	70336	14h 23m 25.63s	−11° 42′ 50.0″	6.22	1.19	330	G7III
HD 140986				140986	77287	15h 46m 45.43s	−06° 07′ 13.3″	6.24	−1.05	937	K0III
HD 138488				138488	76143	15h 33m 09.53s	−24° 29′ 25.2″	6.26	1.22	331	A3/5V +A9/F2
10 Lib		10		131027	72702	14h 51m 51.31s	−18° 21′ 19.2″	6.27	−0.97	913	K0II/III
HD 135367				135367	74623	15h 14m 50.61s	−05° 30′ 09.3″	6.28	−0.95	911	K3III
HD 138268				138268	76033	15h 31m 43.45s	−20° 09′ 53.4″	6.28	1.96	239	A5V
HD 140301				140301	77007	15h 43m 24.86s	−15° 02′ 34.8″	6.30	0.80	411	K0III
HD 139290				139290	76567	15h 38m 15.80s	−28° 12′ 23.8″	6.32	0.14	562	K1III
HD 142640				142640	78059	15h 56m 14.41s	−14° 23′ 57.2″	6.32	2.29	208	F6V
5 Lib		5		129978	72194	14h 45m 57.78s	−15° 27′ 34.4″	6.33	−1.33	1109	K2III
HD 139518				139518	76666	15h 39m 21.39s	−23° 09′ 00.6″	6.33	1.47	306	B9.5V
HD 130325				130325	72373	14h 47m 54.92s	−12° 50′ 23.2″	6.34	1.12	361	K0III
HD 132953				132953	73571	15h 02m 08.59s	−07° 34′ 31.1″	6.38	0.13	580	A5V
22 Lib		22		133800	73953	15h 06m 49.10s	−16° 29′ 03.6″	6.41	0.90	413	A1V
HD 129980				129980	72217	14h 46m 10.92s	−21° 10′ 32.6″	6.43	3.30	138	G2V
HD 137798				137798	75790	15h 28m 58.69s	−28° 52′ 00.5″	6.43	2.51	198	G0V
23 Lib		23		134987	74500	15h 13m 28.93s	−25° 18′ 33.0″	6.45	4.40	84	G5V	has two planets (b & c)
HD 139461				139461	76603	15h 38m 40.07s	−08° 47′ 29.1″	6.45	4.47	81	F6V
30 Lib		30		136801	75294	15h 23m 01.78s	−15° 08′ 02.7″	6.46	−0.43	780	K4III	suspected variable
HD 134946				134946	74490	15h 13m 17.43s	−24° 00′ 29.8″	6.47	0.96	412	B8III
HD 126251				126251	70452	14h 24m 40.90s	−11° 40′ 10.7″	6.49	1.72	293	F4III
HD 126363				126363	70501	14h 25m 17.63s	−13° 21′ 11.4″	6.49	0.48	520	K2III
HD 127964				127964	71295	14h 34m 50.72s	−20° 26′ 21.8″	6.49	0.12	613	A3V
HD 134758				134758	74391	15h 12m 12.04s	−19° 06′ 23.1″	6.49	0.33	555	K4III
HD 140722				140722	77235	15h 46m 12.89s	−28° 03′ 41.1″	6.49	2.33	222	F0V
HD 136646				136646	75272	15h 22m 45.19s	−29° 20′ 30.9″	6.50	0.83	443	K0III
17 Lib		17		132230	73249	14h 58m 13.42s	−11° 09′ 17.1″	6.61	1.30	376	A1V
33 Lib		33	GZ	137949	75848	15h 29m 34.78s	−17° 26′ 27.4″	6.69	1.94	291	Ap	rapidly oscillating Ap star, Vmax = 6.66m, Vmin = 6.71m, P = 4.85 d
HD 141569				141569	77542	15h 49m 57.75s	−03° 55′ 16.3″	7.12		379	A0Ve	has a protoplanetary disk
3 Lib		3		128756	71652	14h 39m 22.01s	−25° 01′ 43.0″	7.20		663	K0III
HD 140283				140283	76976	15h 43m 03.10s	−10° 56′ 00.6″	7.21		190	sdF3	one of the oldest stars known; suspected variable
FY Lib			FY	132112	73213	14h 57m 46.55s	−12° 26′ 15.3″	7.23		1310	M5III	semiregular variable, Vmax = 6.5m, Vmin = 7.78m, P = 179.7 d
KU Lib			KU	128987	71743	14h 40m 31.11s	−16° 12′ 33.4″	7.23		77	G8V	BY Dra variable; member of the α Lib system
ES Lib			ES	135681	74765	15h 16m 48.61s	−13° 02′ 21.1″	7.25		378	A3III	β Lyr variable, Vmax = 7.1m, Vmin = 7.57m, P = 0.88 d
HD 141937				141937	77740	15h 52m 17.55s	−18° 26′ 09.8″	7.25	4.63	109	G2/G3V	has a planet (b)
HD 134796				134796	74401	15h 12m 20.95s	−16° 24′ 39.86″	7.28	7.26		B9V
HD 136905			GX	136905	75325	15h 23m 26.06s	−06° 36′ 37.8″	7.31		378	G8IVp	RS CVn variable, ΔV = 0.08m, P = 11.13 d
HD 134214			HI	134214	74145	15h 09m 02.41s	−13° 59′ 58.7″	7.48		335	Ap...	rapidly oscillating Ap star, ΔV = 0.007m
HM Lib			HM	137613	75694	15h 27m 48.32s	−25° 10′ 10.1″	7.54		1940	C	PV Tel variable, Vmax = 7.42m, Vmin = 7.63m
HD 134701				134701		15h 11m 51.55s	−16° 36′ 40.16″	7.70	8.20		F5V
HD 133803				133803	73990	15h 07m 15.0s	−29° 30′ 16″	8.12		408	A9V	has two planets
HD 133131 A				133131	73674	15h 03m 35.8s	−27° 50′ 28″	8.4			G2V	has two planets
HD 133131 B				133131	73674	15h 03m 35.8s	−27° 50′ 28″	8.42			G2	has a planet
HD 128598				128598	71567	14h 38m 11.78s	−14° 57′ 17.2″	8.76		3080	K1IV/V	used to discover Uranus's rings
UZ Lib			UZ		76086	15h 32m 23.21s	−08° 32′ 00.9″	9.12		525	K0III	RS CVn variable, Vmax = 8.85m, Vmin = 9.62m, P = 4.77 d
HD 134440				134440	74234	15h 10m 12.97s	−16° 27′ 47.5″	9.43		93	K2V	peculiar metal abundance; suspected variable
EH Lib			EH		73315	14h 58m 55.92s	−00° 56′ 53.1″	9.83	2.00	1,197	A5V	δ Sct variable, Vmax = 9.35m, Vmin = 10.08m, P = 0.09 d
VZ Lib			VZ		76050	15h 31m 51.76s	−15° 41′ 10.2″	10.27		667	F5	W UMa variable, Vmax = 10.13m, Vmin = 10.63m, P = 0.36 d
Gliese 581			HO		74995	15h 19m 26.82s	−07° 43′ 20.2″	10.55	11.57	20	M3	BY Dra variable, Vmax = 10.56m, Vmin = 10.58m; has 3 planets (b, c, e)
WASP-109						15h 28m 13.0s	−16° 24′ 39″	11.4	3.81	1076	F4V	has a transiting planets
HE 1523-0901						15h 26m 01.07s	−09° 11′ 38.9″	11.50				one of the oldest stars known
HP Lib			HP			15h 35m 53.08s	−14° 13′ 12.2″	13.65			Bpec	AM CVn star and V777 Her variable, Vmax = 13.65m, Vmin = 13.8m, P = 0.013 d
K2-315						15h 12m 5.06s	−20° 06′ 29.39″	17.67	13.89	185.3	M3.5V	has a transiting planet (b)
2MASS 1507-1627						15h 07m 47.69s	−16° 27′ 38.6″	22.14		23.9	L5.5	brown dwarf
GW Lib			GW			15h 19m 55.35s	−25° 00′ 24.5″					WZ Sge variable
WISE 1541-2250						15h 41m 51.66s	−22° 50′ 25.0″			18.6	Y0	brown dwarf
IC 1059						14h 50m 42.54s	−00° 52′ 33.1″					a galaxy discovered in 1893 by Stephane Javelle
Table legend:  • Name = Proper name.  • B = Bayer designation.  • F or/and G. = Flamsteed designation or Gould designation  • Var = Variable star designation  • HD = Henry Draper Catalogue designation number  • HIP = Hipparcos Catalogue designation number  • RA = Right ascension for the Epoch/Equinox (celestial coordinates)|Equinox J2000.0]]  • Dec = Declination for the Epoch/Equinox J2000.0  • vis. mag. = visual magnitude (m or mv), also known as apparent magnitude  • abs. mag. = absolute magnitude (Mv)  • Dist. (ly) = Distance in light-years from Earth  • Sp. class = Spectral class of the star in the stellar classification system  • Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.]

See also

• List of stars by constellation

Color=Blue

References

• ESA (1997). "The Hipparcos and Tycho Catalogues". http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/239. 
• Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". http://cdsarc.u-strasbg.fr/viz-bin/Cat?IV/27. 
• Roman, N. G. (1987). "Identification of a Constellation from a Position". http://cdsarc.u-strasbg.fr/viz-bin/Cat?VI/42. 
• Gould, B. A.. "Uranometria Argentina". Reprinted and updated by Pilcher, F. http://www.uranometriaargentina.com/. 
• "Naming Stars". https://www.iau.org/public/themes/naming_stars/.