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List of stars in Hydrus

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

Name B Var HD HIP RA Dec vis.
mag. 		abs.
mag. 		Dist. (ly) Sp. class Notes
β Hyi β 2151 2021 00h 25m 39.20s −77° 15′ 18.1″ 2.79 3.45 24 G2IV suspected variable, Vmax = 2.75m, Vmin = 2.81m
α Hyi α 12311 9236 01h 58m 45.87s −61° 34′ 11.7″ 2.86 1.16 71 F0V Head of Hydrus
γ Hyi γ 24512 17678 03h 47m 14.23s −74° 14′ 21.3″ 3.26 −0.83 214 M2III Foo Pih; semiregular variable
δ Hyi δ 15008 11001 02h 21m 45.02s −68° 39′ 33.9″ 4.08 0.99 135 A3V
ε Hyi ε 16978 12394 02h 39m 35.22s −68° 16′ 01.0″ 4.12 0.76 153 B9III
η2 Hyi η2 11977 8928 01h 54m 56.01s −67° 38′ 50.9″ 4.68 0.57 217 G5III has a planet (b)
ν Hyi ν 18293 13244 02h 50m 28.54s −75° 04′ 00.8″ 4.76 −0.26 329 K3III
ζ Hyi ζ 17566 12876 02h 45m 32.53s −67° 37′ 00.2″ 4.83 0.05 295 A2IV/V
λ Hyi λ 4815 3781 00h 48m 35.12s −74° 55′ 24.1″ 5.09 1.10 205 K5III
μ Hyi μ 16522 11757 02h 31m 40.12s −79° 06′ 33.3″ 5.27 0.51 292 G4III
θ Hyi θ 19400 14131 03h 02m 15.40s −71° 54′ 09.0″ 5.51 −0.52 525 B8III/IV
ι Hyi ι 21024 15201 03h 15m 57.36s −77° 23′ 19.0″ 5.51 3.17 96 F4IV-V
π1 Hyi π1 14141 10418 02h 14m 14.50s −67° 50′ 29.6″ 5.57 −1.21 739 M1III suspected variable, Vmax = 5.52m, Vmin = 5.58m
π2 Hyi π2 14287 10513 02h 15m 28.56s −67° 44′ 46.8″ 5.67 −0.11 468 K2III
BN Hyi ρ[1] BN 20313 14521 03h 07m 31.90s −78° 59′ 21.9″ 5.70 1.26 248 F2II-III δ Sct variable, ΔV = 0.02m
HD 10615 10615 7921 01h 41m 47.95s −60° 47′ 21.3″ 5.70 0.42 371 K2/K3III
HD 8810 8810 6631 01h 25m 05.28s −64° 22′ 10.0″ 5.92 −1.53 1009 M0III
HD 1801 1801 1706 00h 21m 28.74s −77° 25′ 36.7″ 5.96 −0.69 697 K3III
HD 21722 21722 15968 03h 25m 36.25s −69° 20′ 11.7″ 5.96 2.99 128 F3V
κ Hyi κ[2] 15248 11095 02h 22m 52.47s −73° 38′ 45.0″ 5.99 1.05 318 K0III suspected variable
HD 9896 9896 7387 01h 35m 14.71s −58° 08′ 21.8″ 6.03 3.00 132 F2V
τ2 Hyi τ2 11604 8366 01h 47m 46.69s −80° 10′ 34.2″ 6.05 2.09 202 F0III
HD 11995 11995 8983 01h 55m 46.47s −60° 51′ 40.1″ 6.07 2.73 152 F0IV/V
HD 12477 12477 9318 01h 59m 41.08s −66° 03′ 59.7″ 6.09 0.50 428 K2III
HD 10042 10042 7271 01h 33m 39.26s −78° 30′ 16.1″ 6.11 0.46 441 G3IV
HD 19940 19940 14547 03h 07m 49.00s −69° 15′ 53.8″ 6.12 1.30 300 K1III
HD 21563 21563 15840 03h 24m 02.28s −69° 37′ 28.7″ 6.14 −0.17 595 A4:V+...
σ Hyi σ 12363 8991 01h 55m 50.25s −78° 20′ 55.2″ 6.15 3.07 135 F5/F6IV/V
HD 10052 10052 7506 01h 36m 44.77s −58° 16′ 15.5″ 6.18 −0.78 805 M3III semiregular variable, Vmax = 6.11m, Vmin = 6.23m
CT Hyi CT 24188 17543 03h 45m 23.70s −71° 39′ 29.7″ 6.26 0.50 463 B8V α2 CVn variable
τ1 Hyi τ1 10859 7879 01h 41m 21.29s −79° 08′ 53.7″ 6.33 0.91 395 G6/G8III
HD 12270 12270 9149 01h 57m 53.37s −65° 25′ 28.9″ 6.36 0.28 535 G8II/III
HD 11944 11944 8957 01h 55m 19.69s −60° 18′ 44.6″ 6.43 2.73 179 F2V
HD 1221 1221 1268 00h 15m 54.94s −75° 54′ 41.8″ 6.49 −0.18 704 G8/K0III
GJ 3021 1237 1292 00h 16m 12.68s −79° 51′ 04.3″ 6.59 5.36 57 G8.5Vk has a planet (b)
CN Hyi CN 17653 12884 02h 45m 36.97s −71° 14′ 09.4″ 6.66 195.8 F6V W UMa variable
η1 Hyi η1 11733 8751 01h 52m 34.74s −67° 56′ 40.2″ 6.77 −0.03 748 B9V suspected variable
CH Hyi (α)[3] CH 12853 9472 02h 01m 52.33s −74° 26′ 44.62″ 6.87 2265
HD 18050 (γ)[4] 18050 13119 02h 48m 44.42s −73° 50′ 29.40″ 6.94 924 suspected variable
HD 13950 (β)[5] 10206 13950 02h 11m 17.63s −74° 30′ 04.93″ 7.14 824
HD 10180 10180 7599 01h 37m 53.58s −60° 30′ 41.5″ 7.33 4.36 128 G1V has six confirmed planets (c, d, e, f, g and h) and three unconfirmed planets (b, i and j)
HD 20003 20003 14530 03h 07m 38s −72° 19′ 19″ 8.37 143 G8V has two planets (b & c)
HD 19918 BT 19918 14026 03h 00m 37.09s −81° 54′ 07.3″ 9.35 801 Ap... rapidly oscillating Ap star
HD 2685 2685 00h 29m 19.0s −76° 18′ 15″ 9.59 646 Ap... has a planet (b)
WASP-126 04h 13m 30.0s −69° 13′ 37″ 10.8 763 G2 has a transiting planet (b)
VW Hyi VW 04h 09m 11.39s −71° 17′ 41.3″ 14.4 SU UMa variable, Vmax = 8.4m, Vmin = 14.4m, P = 0.074271 d
SMSS J031300.36-670839.3 03h 13m 00.36s −67° 08′ 39.3″ 14.7 K oldest known star as of 2014
WX Hyi WX 02h 09m 50.84s −63° 18′ 39.9″ 14.85 SU UMa variable, Vmax = 9.6m, Vmin = 14.85m, P = 0.074813 d
BL Hyi BL 01h 41m 00.38s −67° 53′ 27.4″ 14.9 Am AM Her variable and eclipsing binary, Vmax = 14.3m, Vmin = 18.6m, P = 0.078915 d
Table legend:
Notes
  1. ^ Labelled Rho Hydri (ρ Hyi/ρ Hydri) by Bode in his Uranographia
  2. ^ Labelled Kappa Nubeculae Minoris by Bode in his Uranographia
  3. ^ Labelled Alpha Nubeculae Minoris by Bode in his Uranographia
  4. ^ Labelled Gamma Nubeculae Minoris by Bode in his Uranographia
  5. ^ Labelled Beta Nubeculae Minoris by Bode in his Uranographia

See also

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References

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  • 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.
  • "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
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