List of stars in Serpens

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

Name	B	F	G.[1]	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α Ser	α	24	21 Cap		140573	77070	15^h 44^m 16.00^s	+06° 25′ 31.9″	2.63	0.87	73	K2III	Unukalhai, Unukalhay, Unuk al Hay, Unuk Elhai, Unuk, Cor Serpentis
η Ser	η	58	34 Cau		168723	89962	18^h 21^m 18.92^s	−02° 53′ 49.6″	3.23	1.84	62	K0III-IV	Donghai, Tung Hae[2]
μ Ser	μ	32	27 Cap		141513	77516	15^h 49^m 37.27^s	−03° 25′ 48.5″	3.54	0.14	156	A0V	Tiānrǔ (天乳)[3]
ξ Ser	ξ	55	8 Cau		159876	86263	17^h 37^m 35.23^s	−15° 23′ 54.3″	3.54	0.99	105	F0IIIp	Nanhai, Nan Hae[2]
β Ser	β	28			141003	77233	15^h 46^m 11.21^s	+15° 25′ 18.9″	3.65	0.29	153	A3V	Chow
ε Ser	ε	37	29 Cap		141795	77622	15^h 50^m 48.89^s	+04° 28′ 39.3″	3.71	2.04	70	A2m	Ba, Pa,[2] component of the δ Ser system; quadruple star; Delta Scuti-type variable star
γ Ser	γ	41			142860	78072	15^h 56^m 26.99^s	+15° 39′ 53.0″	5.20	3.62	36	F6V	Ainalhai, Zheng, Ching[2]
κ Ser	κ	35			141477	77450	15^h 48^m 44.41^s	+18° 08′ 30.4″	4.09	−1.05	348	M1III	Gudja[4]
δ Ser A	δ	13			138917	76276	15^h 34^m 48.19^s	+10° 32′ 19.9″	3.80	−0.24	210	F0IV	quadruple star; Delta Scuti-type variable star
ο Ser	ο	56	11 Cau		160613	86565	17^h 41^m 24.92^s	−12° 52′ 30.6″	4.24	0.68	168	A2Va	Delta Scuti-type variable star
ν Ser	ν	53	1 Cau		156928	84880	17^h 20^m 49.64^s	−12° 50′ 48.8″	4.32	0.45	193	A0/A1V
λ Ser	λ	27	25 Cap		141004	77257	15^h 46^m 26.75^s	+07° 21′ 11.7″	4.42	4.07	38	G0Vvar
ι Ser	ι	21			140159	76852	15^h 41^m 33.09^s	+19° 40′ 13.8″	4.51	0.66	192	A1V
ζ Ser	ζ	57	17 Cau		164259	88175	18^h 00^m 28.92^s	−03° 41′ 24.6″	4.62	2.79	76	F3V
θ^1 Ser	θ^1	63	71 Cau		175638	92946	18^h 56^m 13.16^s	+04° 12′ 12.7″	4.62	1.59	132	A5V	Alya, Alga, Dzaneb al Haiyet, Cauda Serpentis[5]
ρ Ser	ρ	38			141992	77661	15^h 51^m 15.94^s	+20° 58′ 40.4″	4.74	−0.68	395	K5III
π Ser	π	44			143894	78554	16^h 02^m 17.69^s	+22° 48′ 15.8″	4.82	1.15	177	A3V
σ Ser	σ	50	49 Cap		147449	80179	16^h 22^m 04.44^s	+01° 01′ 44.1″	4.82	2.64	89	F0V
θ^2 Ser	θ^2	63	72 Cau		175639	92951	18^h 56^m 14.61^s	+04° 12′ 07.4″	4.98	1.77	143	A5Vn
5 Ser		5	9 Cap	MQ	136202	74975	15^h 19^m 18.58^s	+01° 46′ 00.0″	5.04	3.08	81	F8III-IV	MQ Ser; BY Draconis variable
b Ser	b	36	30 Cap		141851	77660	15^h 51^m 15.65^s	−03° 05′ 25.5″	5.09	1.65	159	A3Vn
10 Ser		10	13 Cap		137898	75761	15^h 28^m 38.29^s	+01° 50′ 31.8″	5.15	2.28	122	A8IV
τ^1 Ser	τ^1	9			137471	75530	15^h 25^m 47.41^s	+15° 25′ 41.0″	5.16	−2.09	918	M1III
R Ser				R	141850		15^h 50^m 41.70^s	+15° 08′ 01.0″	5.20				Mira variable
d Ser	d	59			169986		18^h 27^m 12.20^s	+00° 11′ 48.0″	5.20
d Ser	d	59	41 Cau		169985	90441	18^h 27^m 12.51^s	+00° 11′ 46.1″	5.20	−0.63	479	G0III+...
δ Ser B	δ	13			138918		15^h 34^m 48.10^s	+10° 32′ 21.0″	4.20		210	F0IV
ω Ser	ω	34	28 Cap		141680	77578	15^h 50^m 17.53^s	+02° 11′ 47.8″	5.21	0.68	263	G8III	has a planet (b)
16 Ser		16			139195	76425	15^h 36^m 29.55^s	+10° 00′ 37.6″	5.26	0.97	235	K0p
3 Ser		3	2 Cap		135482	74649	15^h 15^m 11.37^s	+04° 56′ 21.7″	5.32	−0.46	467	K0III
χ Ser	χ	20			140160	76866	15^h 41^m 47.39^s	+12° 50′ 51.1″	5.34	1.11	228	A0p Sr	α^2 CVn-type variable star
6 Ser		6	11 Cap		136514	75119	15^h 21^m 02.02^s	+00° 42′ 56.1″	5.35	0.98	244	K3III
c Ser	c	60	45 Cau		170474	90642	18^h 29^m 40.96^s	−01° 59′ 06.8″	5.38	1.08	236	K0III
A^2 Ser	A^2	25	24 Cap	PT	140873	77227	15^h 46^m 05.65^s	−01° 48′ 14.8″	5.39	−0.10	408	B8III	PT Ser
43 G. Ser Cap			43 Cap		145206	79195	16^h 09^m 50.53^s	−03° 28′ 00.2″	5.39	−0.51	494	K4III
32 G. Ser Cau			32 Cau		168415	89851	18^h 20^m 08.77^s	−15° 49′ 53.8″	5.39	−0.41	470	K3III
QY Ser				QY	142574	77902	15^h 54^m 34.66^s	+20° 18′ 39.1″	5.45	−0.88	601	M0III
A^1 Ser	A^1	11	15 Cap		138562	76133	15^h 32^m 57.95^s	−01° 11′ 10.7″	5.50	0.91	270	K0III
φ Ser	φ				142980	78132	15^h 57^m 14.64^s	+14° 24′ 51.4″	5.54	1.33	227	K1IV
6 G. Ser Cau			6 Cau		159358	86019	17^h 34^m 46.35^s	−11° 14′ 31.2″	5.54	0.23	377	B8Vn
64 Ser		64	74 Cau		175869	93051	18^h 57^m 16.59^s	+02° 32′ 07.4″	5.56	−2.08	1101	B9IIIp...
22 G. Ser Cap			22 Cap		140775	77163	15^h 45^m 23.47^s	+05° 26′ 50.4″	5.57	0.21	384	A1V
4 Ser		4	3 Cap		135559	74689	15^h 15^m 49.14^s	+00° 22′ 19.6″	5.62	2.15	161	A4V
45 Ser		45			144874	79007	16^h 07^m 37.55^s	+09° 53′ 30.3″	5.63	1.05	269	A7V
					136138	74896	15^h 18^m 24.51^s	+20° 34′ 22.1″	5.68	0.93	290	G5IV
47 Ser		47	39 Cap	FS	145002	79072	16^h 08^m 28.08^s	+08° 32′ 03.6″	5.69	−0.52	568	M3.5IIIa	FS Ser
υ Ser	υ	31			141187	77336	15^h 47^m 17.35^s	+14° 06′ 55.0″	5.71	1.27	252	A3V
44 G. Ser Cau			44 Cau		170200	90497	18^h 27^m 58.77^s	+06° 11′ 39.0″	5.71	−1.07	739	B8III-IV
10 G. Ser Cau			10 Cau		160018	86313	17^h 38^m 09.51^s	−10° 55′ 34.5″	5.74	0.16	425	K0III
20 G. Ser Cau			20 Cau		165438	88684	18^h 06^m 15.11^s	−04° 45′ 04.2″	5.74	3.02	114	K1IV
e Ser	e		57 Cau		171978	91322	18^h 37^m 35.95^s	−00° 18′ 33.9″	5.76	−0.72	644	A2V
τ^7 Ser	τ^7	22			140232	76878	15^h 41^m 54.76^s	+18° 27′ 50.0″	5.80	2.17	174	A2m
3 Her		(3)	34 Cap		143553	78442	16^h 00^m 51.16^s	+04° 25′ 37.8″	5.82	1.49	239	K0III:
66 G. Ser Cau			66 Cau		173495	92027	18^h 45^m 28.36^s	+05° 30′ 00.4″	5.82	−0.87	709	A1V
19 G. Ser Cau			19 Cau		165402	88670	18^h 06^m 07.40^s	−08° 19′ 26.1″	5.84	−0.37	570	B8III-IV
ψ Ser	ψ	23	20 Cap		140538	77052	15^h 44^m 01.85^s	+02° 30′ 55.9″	5.86	5.03	48	G5V	Triple star; solar analog
6 G. Ser Cap			6 Cap		136028	74901	15^h 18^m 26.13^s	−00° 27′ 40.5″	5.88	−1.51	979	K5III
FL Ser				FL	134943	74386	15^h 12^m 04.27^s	+18° 58′ 33.6″	5.90	−1.13	830	M4III
τ^5 Ser	τ^5	18			139225	76424	15^h 36^m 29.20^s	+16° 07′ 08.8″	5.93	2.48	160	F3V
41 G. Ser Cap			41 Cap		145085	79120	16^h 08^m 58.90^s	+03° 27′ 16.0″	5.93	0.33	430	K5III
42 G. Ser Cap			42 Cap		145148	79137	16^h 09^m 11.06^s	+06° 22′ 49.8″	5.93	3.51	99	K1+...
13 G. Ser Cau			13 Cau		161701	87074	17^h 47^m 36.79^s	−14° 43′ 32.8″	5.93	−0.04	510	B9V
16 G. Ser Cau			16 Cau		163336	87813	17^h 56^m 19.04^s	−15° 48′ 44.5″	5.93	1.52	249	A0V
61 Ser		61	48 Cau		170920	90844	18^h 31^m 56.99^s	−01° 00′ 10.7″	5.93	−0.28	570	A4III
9 G. Ser Cau			9 Cau		159877	86266	17^h 37^m 36.20^s	−15° 34′ 15.7″	5.94	−3.63	2672	F0IV
					141353	77412	15^h 48^m 13.31^s	+13° 47′ 21.6″	5.98	0.33	440	K2III
28 G. Ser Cau			28 Cau		167768	89587	18^h 16^m 53.09^s	−03° 00′ 24.3″	5.99	0.97	329	G3III
τ^6 Ser	τ^6	19			140027	76810	15^h 40^m 59.09^s	+16° 01′ 28.7″	6.00	0.30	450	G8III
					137853	75674	15^h 27^m 38.87^s	+25° 06′ 06.0″	6.01	−0.90	786	M1III
					139087	76372	15^h 35^m 53.39^s	+11° 15′ 56.5″	6.04	−0.64	706	K0III:
39 Ser		39			142267	77801	15^h 53^m 12.19^s	+13° 11′ 52.8″	6.07	4.86	57	G0IV
43 Ser		43	35 Cap		144046	78685	16^h 03^m 45.71^s	+04° 59′ 12.5″	6.07	0.68	389	G9III
τ^3 Ser	τ^3	15			139074	76337	15^h 35^m 33.28^s	+17° 39′ 20.1″	6.10	0.58	414	G8III:
8 Ser		8	12 Cap		137006	75342	15^h 23^m 43.67^s	−01° 01′ 20.3″	6.11	2.41	179	F0V
NW Ser			35 Cau	NW	168797	89977	18^h 21^m 28.40^s	+05° 26′ 08.7″	6.14	−3.93	3361	B3Ve	Be star
73 G. Ser Cau			73 Cau		175679	92968	18^h 56^m 25.60^s	+02° 28′ 16.3″	6.14	0.11	523	G8III
τ^8 Ser	τ^8	26			140729	77111	15^h 44^m 42.15^s	+17° 15′ 51.2″	6.15	1.18	321	A0V
					144889	78985	16^h 07^m 22.19^s	+21° 49′ 21.8″	6.15	−0.05	566	K4III
37 G. Ser Cau			37 Cau		169493	90253	18^h 24^m 57.21^s	−01° 34′ 45.9″	6.15	0.54	432	F1V
14 G. Ser Cau			14 Cau		162757	87540	17^h 53^m 03.51^s	−10° 53′ 58.2″	6.17	1.56	273	K1III:
47 Oph		(47)[6]	5 Cau		157968	85397	17^h 27^m 02.12^s	−12° 30′ 44.4″	6.20	2.92	148	F7V
67 G. Ser Cau			67 Cau		173954	92254	18^h 48^m 02.67^s	+04° 14′ 29.0″	6.20	−0.97	886	K5
					142357	77835	15^h 53^m 34.86^s	+16° 04′ 30.0″	6.21	1.48	288	F5II-III
τ^2 Ser	τ^2	12			138527	76069	15^h 32^m 09.68^s	+16° 03′ 22.1″	6.22	0.61	431	B9V
					139862	76733	15^h 40^m 10.36^s	+12° 03′ 10.6″	6.22	−1.34	1058	G8II
					137510	75535	15^h 25^m 53.30^s	+19° 28′ 50.6″	6.26	3.16	136	G0V
					142763	77995	15^h 55^m 39.86^s	+18° 37′ 14.8″	6.26	−2.26	1646	B8III
38 G. Ser Cap			38 Cap		144426	78840	16^h 05^m 37.93^s	+08° 05′ 46.5″	6.27	0.81	402	A3m
40 Ser		40	32 Cap	FP	142500	77910	15^h 54^m 40.27^s	+08° 34′ 49.2″	6.28	1.94	241	A7Vn	FP Ser; Delta Scuti-type
7 Ser		7			136831	75230	15^h 22^m 23.24^s	+12° 34′ 03.1″	6.29	0.62	445	A0V
					142244	77782	15^h 52^m 56.15^s	+17° 24′ 11.4″	6.29	0.43	485	K0
29 G. Ser Cau			29 Cau		167833	89623	18^h 17^m 24.16^s	−09° 45′ 30.5″	6.29	0.69	430	A8V
					135263	74505	15^h 13^m 31.84^s	+22° 58′ 59.4″	6.31	1.63	282	A2V
23 G. Ser Cap			23 Cap		140815	77186	15^h 45^m 39.50^s	+00° 53′ 27.8″	6.32	−0.07	619	K0III
21 G. Ser Cau			21 Cau		165462	88671	18^h 06^m 07.44^s	−00° 26′ 46.0″	6.32	0.36	507	G8IIp
10 G. Ser Cap			10 Cap		136442	75101	15^h 20^m 47.17^s	−02° 24′ 46.5″	6.34	3.50	120	K0V
27 G. Ser Cau			27 Cau		167564	89512	18^h 15^m 57.93^s	−03° 37′ 04.7″	6.35	0.55	472	A4V
					136643	75125	15^h 21^m 06.90^s	+24° 57′ 29.0″	6.36	0.20	555	K0
12 G. Ser Cau			12 Cau		161023	86769	17^h 43^m 48.45^s	−13° 30′ 30.3″	6.36	3.21	139	F0V
36 G. Ser Cau			36 Cau		169268	90174	18^h 24^m 03.60^s	−03° 34′ 58.9″	6.36	2.25	216	F6III-IV
63 G. Ser Cau			63 Cau		172365	91499	18^h 39^m 36.88^s	+05° 15′ 51.4″	6.36	−1.25	1087	F8Ib-II
					138085	75810	15^h 29^m 12.14^s	+16° 23′ 43.7″	6.38	0.45	499	G8III-IV
24 G. Ser Cau			24 Cau		166103	88981	18^h 09^m 43.37^s	−13° 56′ 03.9″	6.38	−0.18	669	K1II
MV Ser			49 Cau	MV	170973	90858	18^h 32^m 06.88^s	+03° 39′ 34.5″	6.41	−1.41	1194	A0sp...	α^2 CVn-type variable star
45 G. Ser Cap			45 Cap		145936	79522	16^h 13^m 38.63^s	−01° 28′ 30.5″	6.45	1.46	324	K0
2 G. Ser Cau			2 Cau		156971	84883	17^h 20^m 52.60^s	−10° 41′ 46.9″	6.46	3.09	154	F1III+...
4 G. Ser Cap			4 Cap		135615	74695	15^h 15^m 53.57^s	+06° 27′ 53.6″	6.47	−1.38	1212	K0
FQ Ser			40 Cap	FQ	145050	79086	16^h 08^m 36.53^s	+08° 36′ 47.7″	6.47	0.69	468	M4III
FR Ser			51 Cau	FR	171586	91142	18^h 35^m 36.48^s	+04° 56′ 09.8″	6.47	1.41	335	A2pvar	α^2 CVn-type variable star
					140438	76985	15^h 43^m 10.54^s	+13° 40′ 03.9″	6.48	0.05	629	G5III
4 G. Ser Cau			4 Cau		157969	85405	17^h 27^m 09.89^s	−15° 51′ 12.0″	6.48	0.70	466	K0II/III
					138803	76198	15^h 33^m 52.74^s	+17° 08′ 14.9″	6.49	2.50	205	F3III
60 G. Ser Cau			60 Cau		172088	91394	18^h 38^m 23.80^s	−03° 11′ 37.4″	6.49	3.00	163	F9IV
					135061	74441	15^h 12^m 47.19^s	+10° 42′ 08.9″	6.50	−0.06	669	K2
5 G. Ser Cap			5 Cap		136027	74895	15^h 18^m 22.62^s	+00° 56′ 22.0″	6.50	0.89	432	K0
48 G. Ser Cap			48 Cap		146740	79834	16^h 17^m 43.37^s	+01° 29′ 48.2″	6.50	0.18	598	K0
τ^4 Ser	τ^4	17			139216	76423	15^h 36^m 28.19^s	+15° 06′ 05.0″	6.51	0.50	520	M5II-III	semiregular variable star
14 Ser		14	19 Cap		139137	76427	15^h 36^m 33.72^s	−00° 33′ 41.3″	6.51	0.52	514	G8III+...
29 Ser		29	45 Cap		141040	77249	15^h 46^m 24.02^s	+15° 31′ 36.1″	6.70	−0.19	780	A3
46 Ser		46			144937	79047	16^h 08^m 05.73^s	+10° 04′ 49.8″	6.74	1.55	355	A3
HD 168443					168443	89844	18^h 20^m 03.93^s	−09° 35′ 44.6″	6.92	4.03	124	G5IV	has a planet (b) and a brown dwarf
HD 136118			8 Cap		136118	74948	15^h 18^m 55.47^s	−01° 35′ 32.6″	6.94	3.35	171	F9V	has a red dwarf companion that was formerly a known planet
HD 142245					142245	77783	15^h 52^m 56^s	+15° 25′ 51″	7.63		357	K0	has a planet (b)
HD 168746					168746	90004	18^h 21^m 49.78^s	−11° 55′ 21.7″	7.95	4.78	141	G5V	Alasia[7], has a planet (b)
HD 175541					175541	92895	18^h 55^m 40.88^s	+04° 15′ 55.2″	8.03	2.49	417	G8IV	Kaveh[8], has a planet (b)
Gliese 710					168442	89825	18^h 19^m 50.84^s	−01° 56′ 19.0″	9.66	8.26	63	K7V	future encounter at 1.1 ly
HAT-P-46							18^h 01^m 47.0^s	−02° 58′ 15″	11.94		965		has two transiting planets (b & c)
HAT-P-45							18^h 17^m 30.0^s	−03° 22′ 52″	12.79		995		has two transiting planets (b)
COROT-11							18^h 42^m 44.95^s	+05° 56′ 15.7″	12.94	4.20	~1820	F6V	has a transiting planet (b)
LX Ser							15^h 35^m 44^s	+19° 01′ 30″	13.2				Stepanian's Star; flare star
COROT-28							18^h 34^m 45.0^s	+05° 34′ 26″	13.49		1826	G8/9IV	has a transiting planet (b)
COROT-9							18^h 43^m 09.18^s	+06° 12′ 14.9″	13.7	5.4	1500	G3V	has a transiting planet (b)
COROT-33							18^h 38^m 34.0^s	+05° 37′ 29″	14.7			G9V	has a transiting planet (b)
COROT-27							18^h 33^m 59.0^s	+05° 32′ 19″	15.54			G2	has a transiting planet (b)
COROT-23							18^h 39^m 08^s	+04° 21′ 28″	15.63			F9/G0V	has a transiting planet (b)
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 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

References

• ESA (1997). "The Hipparcos and Tycho Catalogues". Retrieved 2006-12-26.
• Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26.
• Roman, N. G. (1987). "Identification of a Constellation from a Position". Retrieved 2006-12-26.
• Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-16.

1. Cap = Caput, Cau = Cauda
2. Star Name - R.H. Allen p. 374
3. (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 29 日
4. "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.
5. E.B Knobel - On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket
6. Although SIMBAD and other sources report 47 Ophiuchi as being a 4th-magnitude star in Ophiuchus, this is an error.
7. "Cyprus". NameExoworlds. Retrieved 2020-03-10.
8. "Iran". NameExoworlds. Retrieved 2020-03-10.