List of stars in Hydrus

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:  • 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 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.]

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

• List of stars by constellation

References

• 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.