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 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
HD 175362 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
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:

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