List of stars in Corona Borealis

Template:Short description This is the list of notable stars in the constellation Corona Borealis, sorted by decreasing brightness.

Name	B	F	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α CrB	α	5		139006	76267	Template:RA	Template:DEC	2.22	0.42	75	A0V	Alphecca, Alphacca, Alphekka, Gemma, Gnosia, Gnosia Stella Coronae, Asteroth, Ashtaroth; Algol variable
β CrB	β	3		137909	75695	Template:RA	Template:DEC	3.66	0.94	114	F0p	Nusakan; α² CVn variable, Vmax = 3.65m, Vmin = 3.72m, P = 18.487 d
γ CrB	γ	8		140436	76952	Template:RA	Template:DEC	3.81	0.57	145	A1Vs	δ Sct variable, Vmax = 3.8m, Vmin = 3.86m, P = 0.03 d
θ CrB	θ	4		138749	76127	Template:RA	Template:DEC	4.14	−0.76	311	B6Vnn	Be star, Vmax = 4.06m, Vmin = 4.33m
ε CrB	ε	13		143107	78159	Template:RA	Template:DEC	4.14	−0.10	230	K3III	has a planet (b)
δ CrB	δ	10		141714	77512	Template:RA	Template:DEC	4.59	1.06	165	G5III-IV	RS CVn variable, Vmax = 4.57m, Vmin = 4.69m
ζ CrB	ζ	7		139891	76669	Template:RA	Template:DEC	4.64	−1.17	473	B7V+...	ζ2, a spectroscopic triple, is 6" from ζ1
τ CrB	τ	16		145328	79119	Template:RA	Template:DEC	4.73	2.03	113	K0III-IV	suspected variable, Vmax = 4.72m, Vmin = 4.82m
κ CrB	κ	11		142091	77655	Template:RA	Template:DEC	4.79	2.32	101	K0III-IV	has a planet (b)
ξ CrB	ξ	19		147677	80181	Template:RA	Template:DEC	4.86	1.11	184	K0III	suspected variable
ι CrB	ι	14		143807	78493	Template:RA	Template:DEC	4.98	−0.18	351	A0p...	suspected α2 CVn variable, Vmax = 4.96m, Vmin = 5.08m
η CrB A	η	2		137107	75312	Template:RA	Template:DEC	4.99	3.64	61	G2V	double star; suspected variable, Vmax = 4.94m, Vmin = 5.02m
μ CrB	μ	6		139153	76307	Template:RA	Template:DEC	5.14	−1.08	571	M2III	variable star, ΔV = 0.015m, P = 40.73320 d
ν1 CrB	ν1	20		147749	80197	Template:RA	Template:DEC	5.20	−0.96	555	M2III	variable star, ΔV = 0.011m, P = 4.41014 d
ρ CrB	ρ	15		143761	78459	Template:RA	Template:DEC	5.39	4.18	57	G2V	has a companion, has two planets (b & c), now thought to be a low-mass star.
ν2 CrB	ν2	21		147767	80214	Template:RA	Template:DEC	5.40	−0.72	545	K5III	suspected variable
λ CrB	λ	12		142908	78012	Template:RA	Template:DEC	5.43	2.34	135	F0IV	suspected variable, Vmax = 5.37m, Vmin = 5.44m
ο CrB	ο	1		136512	75049	Template:RA	Template:DEC	5.51	0.89	274	K0III	has a planet (b)
σ CrB A	σ2	17	TZ	146361	79607	Template:RA	Template:DEC	5.56	3.78	71	F8V	RS CVn variable, Vmax = 5.54m, Vmin = 5.69m, P = 1.1397912 d
π CrB	π	9		140716	77048	Template:RA	Template:DEC	5.57	1.16	249	G9III:
HD 143435				143435	78276	Template:RA	Template:DEC	5.61	−1.59	898	K5III	suspected variable
HD 145849				145849	79358	Template:RA	Template:DEC	5.62	−0.74	610	K3III SB
HD 144208				144208	78649	Template:RA	Template:DEC	5.79	−0.84	691	A2V+...
υ CrB	υ	18		146738	79757	Template:RA	Template:DEC	5.80	−1.22	825	A3V	suspected variable, Vmax = 5.78m, Vmin = 5.88m
R CrB			R	141527	77442	Template:RA	Template:DEC	5.89	−5.45	6037	C0,0 (F8pe)	prototype R CrB variable, Vmax = 5.71m, Vmin = 15.2m
η CrB B	η	2		137108		Template:RA	Template:DEC	6.08				component of the η CrB system
HD 139761				139761	76617	Template:RA	Template:DEC	6.12	0.37	460	K0
HD 146537				146537	79686	Template:RA	Template:DEC	6.14	0.48	442	K2
HD 139284				139284	76366	Template:RA	Template:DEC	6.30	−0.31	683	K2
HD 145802				145802	79350	Template:RA	Template:DEC	6.30	0.31	515	K2III	suspected variable
HD 136403				136403	75000	Template:RA	Template:DEC	6.33	1.67	278	A2m
HD 138525				138525	76006	Template:RA	Template:DEC	6.39	2.19	225	F6III
HD 145957				145957	79385	Template:RA	Template:DEC	6.39	−0.73	867	K0
HD 141456				141456	77397	Template:RA	Template:DEC	6.41	−0.60	823	K5	variable star, ΔV = 0.008m, P = 9.14829 d
23 Her		(23)		147835	80247	Template:RA	Template:DEC	6.41	0.42	515	A4Vn
HD 138341				138341	75919	Template:RA	Template:DEC	6.45	0.70	460	A4IV
HD 139389				139389	76456	Template:RA	Template:DEC	6.46	3.68	117	F5V:
HD 145976				145976	79441	Template:RA	Template:DEC	6.48	2.16	238	F3V
HD 145457				145457	79219	Template:RA	Template:DEC	6.57	1.06	411	K0III	Kamuy, has a planet (b)
σ CrB B	σ1	17		146362		Template:RA	Template:DEC	6.66				component of the σ CrB system
S CrB			S	136753	75143	Template:RA	Template:DEC	7.15		1762	M6.5-8e	Mira variable, Vmax = 5.8m, Vmin = 14.1m, P = 360.26 d
RS CrB			RS	143347	78235	Template:RA	Template:DEC	7.44		1070	M7	semiregular variable
ADS 9731				139691	76563	Template:RA	Template:DEC	7.80		349	F5+F5	6-star system
V CrB			V	141826	77501	Template:RA	Template:DEC	7.83		8800	C6,2e	Algol variable, Vmax = 6.9m, Vmin = 12.6m, P = 357.63 d
U CrB			U	136175	74881	Template:RA	Template:DEC	7.83		811	B6V+F8III-IV	Algol variable, Vmax = 7.66m, Vmin = 8.79m, P = 3.45220133 d
HD 140913				140913	77152	Template:RA	Template:DEC	8.07		143.1	G0V	solar twin with brown dwarf companion
RR CrB			RR	140297	76844	Template:RA	Template:DEC	8.20		1110	M3	semiregular variable, Vmax = 7.3m, Vmin = 8.2m, P = 60.8 d
YY CrB			YY	141990	77598	Template:RA	Template:DEC	8.69		301	F8V	Vmax = 8.61m, Vmin = 9.12m, P = 0.38 d
RT CrB			RT	139588	76551	Template:RA	Template:DEC	10.22			G0	RS CVn variable, Vmax = 10.2m, Vmin = 10.82m, P = 5.117159 d
RW CrB			RW	139815	76658	Template:RA	Template:DEC	10.22		679	A8Vv	Algol variable, Vmax = 10.22m, Vmin = 10.78m, P = 0.7264114 d
TW CrB			TW			Template:RA	Template:DEC	10.49			F8	Algol variable, Vmax = 10.3m, Vmin = 11.3m, P = 0.58887584 d
T CrB			T	143454	78322	Template:RA	Template:DEC	10.6		3500	M3III+p	"Blaze Star"; recurrent nova and rotating ellipsoidal variable, Vmax = 2.0m, Vmin = 10.8m, P = 227.6 d
BD +33 2642					77716	Template:RA	Template:DEC	10.73		33000	B2IVp	protoplanetary nebula
XO-1						Template:RA	Template:DEC	11.30		652		Moldoveanu; has the transiting planet XO-1b
UW CrB			UW			Template:RA	Template:DEC	19.7				Low-mass X-ray binary

See also

• List of stars by constellation