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 2.79 3.45 24 G2IV suspected variable, α Hyi α 12311 9236 2.86 1.16 71 F0V Head of Hydrus γ Hyi γ 24512 17678 3.26 −0.83 214 M2III Foo Pih; semiregular variable δ Hyi δ 15008 11001 4.08 0.99 135 A3V ε Hyi ε 16978 12394 4.12 0.76 153 B9III η2 Hyi η2 11977 8928 4.68 0.57 217 G5III has a planet (b) ν Hyi ν 18293 13244 4.76 −0.26 329 K3III ζ Hyi ζ 17566 12876 4.83 0.05 295 A2IV/V λ Hyi λ 4815 3781 5.09 1.10 205 K5III μ Hyi μ 16522 11757 5.27 0.51 292 G4III θ Hyi θ 19400 14131 5.51 −0.52 525 B8III/IV ι Hyi ι 21024 15201 5.51 3.17 96 F4IV-V π1 Hyi π1 14141 10418 5.57 −1.21 739 M1III suspected variable, π2 Hyi π2 14287 10513 5.67 −0.11 468 K2III BN Hyi ρLabelled Rho Hydri (ρ Hyi/ρ Hydri) by Bode in his Uranographia BN 20313 14521 5.70 1.26 248 F2II-III δ Sct variable, HD 10615 10615 7921 5.70 0.42 371 K2/K3III HD 8810 8810 6631 5.92 −1.53 1009 M0III HD 1801 1801 1706 5.96 −0.69 697 K3III HD 21722 21722 15968 5.96 2.99 128 F3V κ Hyi κLabelled Kappa Nubeculae Minoris by Bode in his Uranographia 15248 11095 5.99 1.05 318 K0III suspected variable HD 9896 9896 7387 6.03 3.00 132 F2V τ2 Hyi τ2 11604 8366 6.05 2.09 202 F0III HD 11995 11995 8983 6.07 2.73 152 F0IV/V HD 12477 12477 9318 6.09 0.50 428 K2III HD 10042 10042 7271 6.11 0.46 441 G3IV HD 19940 19940 14547 6.12 1.30 300 K1III HD 21563 21563 15840 6.14 −0.17 595 A4:V+... σ Hyi σ 12363 8991 6.15 3.07 135 F5/F6IV/V HD 10052 10052 7506 6.18 −0.78 805 M3III semiregular variable, CT Hyi CT 24188 17543 6.26 0.50 463 B8V α2 CVn variable τ1 Hyi τ1 10859 7879 6.33 0.91 395 G6/G8III HD 12270 12270 9149 6.36 0.28 535 G8II/III HD 11944 11944 8957 6.43 2.73 179 F2V HD 1221 1221 1268 6.49 −0.18 704 G8/K0III GJ 3021 1237 1292 6.59 5.36 57 G8.5Vk has a planet (b) CN Hyi CN 17653 12884 6.66 195.8 F6V W UMa variable η1 Hyi η1 11733 8751 6.77 −0.03 748 B9V suspected variable CH Hyi (α)Labelled Alpha Nubeculae Minoris by Bode in his Uranographia CH 12853 9472 6.87 2265 HD 18050 (γ)Labelled Gamma Nubeculae Minoris by Bode in his Uranographia 18050 13119 6.94 924 suspected variable HD 13950 (β)Labelled Beta Nubeculae Minoris by Bode in his Uranographia 10206 13950 7.14 824 HD 10180 10180 7599 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 8.37 143 G8V has two planets (b & c) HD 19918 BT 19918 14026 9.35 801 Ap... rapidly oscillating Ap star HD 2685 2685 9.59 646 Ap... has a planet (b) WASP-126 10.8 763 G2 has a transiting planet (b) VW Hyi VW 14.4 SU UMa variable, SMSS J031300.36-670839.3 14.7 K oldest known star as of 2014 WX Hyi WX 14.85 SU UMa variable, BL Hyi BL 14.9 Am AM Her variable and eclipsing binary,
Notes
See also List of stars by constellation
References