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:
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See also
editReferences
edit- 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.
- "SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. Retrieved 2007-01-02.
- Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-19.
- "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.