Astronomy:List of stars in Corona Australis

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

Name	B	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
β CrA	β		178345	94160	19h 10m 01.75s	−39° 20′ 26.5″	4.10	−1.86	508	K0II/IIICN.	suspected variable
α CrA	α		178253	94114	19h 09m 28.28s	−37° 54′ 15.3″	4.11	1.11	130	A0/A1V	Meridiana (traditionally Alphekka Meridiana, Alfecca Meridiana)
γ CrA A	γ		177474	93825	19h 06m 25.04s	−37° 03′ 45.9″	4.23	2.97	58	F7IV-V	double star
δ CrA	δ		177873	94005	19h 08m 20.93s	−40° 29′ 47.9″	4.57	0.93	175	K1III
θ CrA	θ		170845	90982	18h 33m 30.16s	−42° 18′ 44.9″	4.62	−2.50	867	G5III
ζ CrA	ζ		176638	93542	19h 03m 06.83s	−42° 05′ 42.0″	4.74	0.99	184	A0Vn
ε CrA	ε		175813	93174	18h 58m 43.47s	−37° 06′ 25.5″	4.83	2.45	98	F3IV/V	W UMa variable, Vmax = 4.74m, Vmin = 5m, P = 0.5914264 d
HD 165189			165189	88726	18h 06m 49.88s	−43° 25′ 29.9″	4.92	1.71	143	A5V
γ CrA B	γ		177475		19h 06m 25.10s	−37° 03′ 48.0″	4.99				component of the γ CrA system
HD 168592			168592	90037	18h 22m 18.60s	−38° 39′ 24.6″	5.09	−0.85	503	K4/K5III
λ CrA	λ		172777	91875	18h 43m 46.94s	−38° 19′ 23.9″	5.11	1.15	202	A0/A1V	suspected variable, ΔV = 0.07m
HD 170642			170642	90887	18h 32m 21.31s	−39° 42′ 14.1″	5.16	1.02	220	A3V
μ CrA	μ		173540	92226	18h 47m 44.60s	−40° 24′ 22.0″	5.20	−0.20	393	G5/G6III
HD 168905			168905	90200	18h 24m 18.24s	−44° 06′ 36.7″	5.24	−0.79	524	B2.5Vn	suspected variable
HD 175219			175219	92953	18h 56m 16.97s	−42° 42′ 38.2″	5.35	0.46	310	G6III-IV
V686 CrA		V686	175362	92989	18h 56m 40.49s	−37° 20′ 35.5″	5.36	−0.22	425	B3V	α2 CVn variable, Vmax = 5.25m, Vmin = 5.41m, P = 7.34 d
HD 172991			172991	91989	18h 44m 57.15s	−39° 41′ 10.2″	5.40	−2.64	1320	K1/K2III+..
V718 CrA		V718	171967	91494	18h 39m 35.18s	−43° 11′ 08.8″	5.42	−1.58	817	M2III	slow irregular variable
HD 167096			167096	89507	18h 15m 53.39s	−44° 12′ 23.4″	5.45	0.87	268	G8/K0III
η1 CrA	η1		173715	92308	18h 48m 50.47s	−43° 40′ 48.0″	5.46	0.33	347	A2Vn
V692 CrA		V692	166596	89290	18h 13m 12.70s	−41° 20′ 09.9″	5.47	−3.06	1655	B2.5III	SX Ari variable, ΔV = 0.05m, P = 1.67 d
η2 CrA	η2		173861	92382	18h 49m 35.00s	−43° 26′ 02.5″	5.60	−0.75	607	B9IV
HD 169853			169853	90541	18h 28m 27.11s	−38° 59′ 44.1″	5.63	−0.29	498	A2m...
κ2 CrA	κ2		170868	90968	18h 33m 23.13s	−38° 43′ 33.4″	5.67	−2.94	1716	B9.5
HD 170521			170521	90842	18h 31m 56.22s	−43° 30′ 26.5″	5.71	−2.20	1244	K2III
V701 CrA		V701	176723	93552	19h 03m 17.69s	−38° 15′ 11.5″	5.73	1.68	211	F2III/IV	δ Sct variable, Vmax = 5.69m, Vmin = 5.73m
HD 166114			166114	89099	18h 11m 05.54s	−41° 21′ 32.5″	5.86	1.28	269	F0Vn	suspected variable
HD 178322			178322	94157	19h 09m 57.65s	−41° 53′ 32.0″	5.86	−1.14	817	B5V	suspected variable
HD 179433			179433	94556	19h 14m 39.52s	−45° 11′ 36.4″	5.91	1.12	296	G8III
HD 170384			170384	90759	18h 31m 02.95s	−41° 54′ 49.5″	6.02	1.55	255	A3V
HD 177565			177565	93858	19h 06m 52.60s	−37° 48′ 35.2″	6.15	4.98	56	G8V	has a planet (b)
HD 176425			176425	93470	19h 02m 08.50s	−41° 54′ 37.7″	6.21	1.04	352	A0V
HD 170773			170773	90936	18h 33m 00.85s	−39° 53′ 30.6″	6.22	3.43	118	F5V
HD 175395			175395	93049	18h 57m 14.31s	−43° 55′ 01.0″	6.27	−0.43	712	B9V
HD 175529			175529	93074	18h 57m 34.39s	−39° 49′ 23.8″	6.29	2.34	201	A5IV/V
HD 167756			167756	89726	18h 18m 40.15s	−42° 17′ 18.2″	6.30			B0.5Ia	suspected variable, ΔV = 0.03m
κ1 CrA	κ1		170867	90969	18h 33m 23.08s	−38° 43′ 12.0″	6.31	0.43	489	B8
HD 178628			178628	94243	19h 11m 01.91s	−39° 00′ 16.9″	6.34	−3.19	2629	B7II/III
HD 169943			169943	90597	18h 29m 12.87s	−43° 50′ 45.6″	6.36	0.38	512	G8III
HD 176270			176270	93371	19h 01m 04.30s	−37° 03′ 41.4″	6.44	2.00	252	B9.5IV:
HD 178254			178254	94130	19h 09m 39.76s	−39° 49′ 37.9″	6.44	1.29	350	K0III
HD 168357			168357	89920	18h 20m 55.19s	−37° 29′ 15.5″	6.46	−2.76	2280	K2II
HD 174407			174407	92608	18h 52m 11.95s	−41° 42′ 32.8″	6.47	−0.13	682	K3III
HD 175093			175093	92866	18h 55m 23.55s	−37° 23′ 11.8″	6.48	0.91	424	K1III
HD 175855			175855	93209	18h 59m 10.97s	−39° 32′ 04.7″	6.49	0.62	486	B9.5V
HD 174152			174152	92487	18h 50m 58.65s	−41° 03′ 45.6″	6.50	−2.18	1772	B5III
V693 CrA		V693			18h 41m 57.8s	−37° 31′ 14″	6.50				nova, Vmax = 6.5m, Vmin = <19.0m
V394 CrA		V394			18h 00m 25.97s	−39° 00′ 35.1″	7.50				recurrent nova and eclipsing binary, Vmax = 7.2m, Vmin = 19.7m, P = 1.515682 d
HD 166473		V694	166473		18h 12m 25.83s	−37° 45′ 09.2″	7.92			A5p	rapidly oscillating Ap star and α2 CVn variable
HD 166724			166724	89354	18h 14m 00s	−42° 34′ 31″	9.31		138	K0IV	has a planet (b)
TY CrA		TY			19h 01m 40.83s	−36° 52′ 33.9″	9.39			B8e	Orion and Algol variable, Vmax = 9.39m, Vmin = 9.81m, P = 2.8877912 d
V CrA		V	173539	92207	18h 47m 32.31s	−38° 09′ 32.3″	9.40			R...	R Coronae Borealis variable, Vmax = 9.4m, Vmin = 17.9m
S CrA		S			19h 01m 08.60s	−36° 57′ 20.0″	10.49			G0Ve+K0Ve	Orion variable in nebula, Vmax = 10.49m, Vmin = 13.2m
R CrA		R		93449	19h 01m 53.65s	−36° 57′ 07.6″	11.50		79.64	A5IIev	Orion variable in nebula
T CrA		T			19h 01m 58.78s	−36° 57′ 49.9″	11.67			F0e	Orion variable in nebula, Vmax = 11.67m, Vmin = 14.3m
2A 1822-371		V691			18h 25m 46.81s	−37° 06′ 18.6″	15.10				Low-mass X-ray binary (pulsar) and eclipsing binary
RX J1856.5-3754					18h 56m 35.11s	−37° 54′ 30.5″	25.7		400		closest known neutron star to Earth; possible quark star
Y CrA		Y	166813		18h 14m 22.95s	−42° 50′ 32.4″				M6	Z Andromedae variable
RU CrA		RU	180206		19h 17m 23.46s	−39° 36′ 46.40″				[WC3/4]	slow irregular variable; central star of planetary nebula IC 1297
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

References

• ESA (1997). "The Hipparcos and Tycho Catalogues". http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/239. Retrieved 2006-12-26. 
• Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". http://cdsarc.u-strasbg.fr/viz-bin/Cat?IV/27. Retrieved 2006-12-26. 
• Roman, N. G. (1987). "Identification of a Constellation from a Position". http://cdsarc.u-strasbg.fr/viz-bin/Cat?VI/42. Retrieved 2006-12-26. 
• "SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/. Retrieved 2007-01-02. 
• Gould, B. A.. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. https://web.archive.org/web/20120227032716/http://www.uranometriaargentina.com/. Retrieved 2010-07-19. 
• "AAVSO Website". American Association of Variable Star Observers. http://www.aavso.org. Retrieved 9 March 2014.