// Workers AI · dad joke modeWhat did the star in Hydrus say? "I'm a hydration sensation.

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

↑ Labelled Rho Hydri (ρ Hyi/ρ Hydri) by Bode in his Uranographia
↑ Labelled Kappa Nubeculae Minoris by Bode in his Uranographia
↑ Labelled Alpha Nubeculae Minoris by Bode in his Uranographia
↑ Labelled Gamma Nubeculae Minoris by Bode in his Uranographia
↑ Labelled Beta Nubeculae Minoris by Bode in his Uranographia

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.

[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

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[2]

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// Workers AI · dad joke modeWhat did the star in Hydrus say? "I'm a hydration sensation.

See also

References