List of stars in Horologium

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

Name	B	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α Hor	α		26967	19747	04h 14m 00.08s	−42° 17′ 37.9″	3.85	1.07	117	K1III
R Hor		R	18242	13502	02h 53m 52.90s	−49° 53′ 25″	4.7		1004	M7IIIe	Mira variable, Vmax = 4.7m, Vmin = 14.3m, P = 407.6 d
δ Hor	δ		26612	19515	04h 10m 50.43s	−41° 59′ 37.5″	4.93	1.28	175	A9V
β Hor	β		18866	13884	02h 58m 47.77s	−64° 04′ 16.7″	4.98	0.07	313	A5III
μ Hor	μ		19319	14240	03h 03m 36.90s	−59° 44′ 15.4″	5.12	1.99	138	F0IV
ζ Hor	ζ		16920	12484	02h 40m 39.58s	−54° 32′ 59.7″	5.21	1.77	159	F4IV
ν Hor	ν		17848	13141	02h 49m 01.37s	−62° 48′ 23.7″	5.25	1.73	165	A2V	Has a debris disk
η Hor	η		16555	12225	02h 37m 24.26s	−52° 32′ 35.1″	5.30	2.06	145	A6V
HD 27588	ψ [a]		27588	20161	04h 19m 16.65s	−44° 16′ 04.2″	5.33	1.08	231	K2III
λ Hor	λ		15233	11258	02h 24m 53.99s	−60° 18′ 41.9″	5.36	1.91	160	F2III
ι Hor	ι		17051	12653	02h 42m 33.16s	−50° 48′ 03.0″	5.40	4.22	56	G3IV	has a planet (b)
HD 22231			22231	16509	03h 32m 34.72s	−50° 22′ 43.9″	5.67	0.80	307	K3III	suspected variable
TW Hor	σ2 [b]	TW	20234	14930	03h 12m 33.14s	−57° 19′ 17.7″	5.71	−2.32	1315	C5II	semiregular variable, Vmax = 5.52m, Vmin = 5.95m, P = 270.3 d
HD 23719			23719	17534	03h 45m 15.88s	−47° 21′ 34.0″	5.72	0.47	365	K1III
γ Hor	γ		17504	12871	02h 45m 27.45s	−63° 42′ 16.3″	5.73	2.03	179	G8III/IV
HD 14641			14641	10871	02h 19m 54.25s	−55° 56′ 41.4″	5.81	−0.38	564	K5III	variable star, ΔV = 0.09m, P = 5.37548 d
HD 20640			20640	15305	03h 17m 26.60s	−47° 45′ 06.3″	5.84	0.03	473	K2III
HD 24706	υ1 [c]		24706	18199	03h 53m 33.30s	−46° 53′ 36.9″	5.93	0.72	360	K3III
TU Hor		TU	21981	16339	03h 30m 36.90s	−47° 22′ 30.6″	5.98	0.70	370	A2V	rotating ellipsoidal variable, Vmax = 5.9m, Vmin = 6.04m, P = 0.935971 d
HD 18185			18185	13387	02h 52m 18.95s	−62° 54′ 34.6″	6.03	−0.12	553	K1III
HD 19948	ο [d]		19948	14749	03h 10m 27.24s	−48° 44′ 02.7″	6.11	0.73	388	K1III
HD 17254	θ [e] [f]		17254	12775	02h 44m 10.60s	−52° 34′ 14.0″	6.15	0.68	404	A2V
HD 18265			18265	13518	02h 54m 06.47s	−50° 52′ 17.1″	6.22	−1.45	1113	K4III	suspected variable
HD 17326			17326	12717	02h 43m 26.47s	−66° 42′ 50.6″	6.23	2.55	178	F5V
HD 16170			16170	11925	02h 33m 54.62s	−51° 05′ 36.6″	6.24	2.60	174	F6V
HD 15646			15646	11479	02h 28m 04.34s	−64° 17′ 59.2″	6.35	0.99	385	A0V
HD 26927			26927	19721	04h 13m 35.71s	−40° 21′ 28.2″	6.36	−1.07	1000	K3III
TZ Hor		TZ	15379	11293	02h 25m 26.48s	−66° 29′ 38.5″	6.39	−0.86	921	M5III	semiregular variable, ΔV = 0.11m
HD 21011			21011	15655	03h 21m 33.43s	−47° 46′ 35.9″	6.40	0.68	453	K0III
HD 18292	κ [e]		18292	13429	02h 52m 54.65s	−65° 27′ 18.9″	6.47	0.71	463	K0/K1III
HD 23670			23670	17493	03h 44m 50.47s	−48° 03′ 40.0″	6.49	0.53	508	G8/K0III
HD 21360	ρ [g]		21360	15884	03h 24m 36.21s	−51° 03′ 45.7″	6.50	0.87	435	A0V
HD 23308			23308	17298	03h 42m 09.92s	−45° 57′ 28.5″	6.50	3.52	128	F8V
HD 20037	σ1 [h]		20037	14765	03h 10m 39.24s	–57° 48′ 35.3″	6.63		545	G8III
HD 16226	ε [e] [f]		16626	11900	02h 33m 33s	–62° 35′ 12″	6.77	–0.76	1045	B9V
HD 27019	φ [i]		27019	19758	04h 14m 09.55s	–46° 07′ 56.0″	6.77		147	F8/G0V
HD 24805	υ2 [j]		24805	18286	03h 54m 37.50s	–46° 25′ 00.7″	6.90		293	A3V
HD 25245	τ [k]		25245	18554	03h 58m 15.22s	–49° 36′ 36.3″	6.94		580	K0III
HD 27631			27631	20199	04h 19m 45s	−41° 57′ 37″	8.25		148	G3IV	has a planet (b)
WASP-120					04h 10m 28.0s	−45° 53′ 54″	11			F5	has a transiting planet (b)
GJ 1061					03h 35m 59.64s	−44° 30′ 46.2″	13.03		12	M5.5	nearby red dwarf
WW Hor		WW			02h 36m 11.45s	−52° 19′ 13.5″	17.6				AM Her variable and eclipsing binary, Vmax = 17.6m, Vmin = 21.6m, P = 0.080199046 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 Psi Horologii (ψ Hor/ψ Horologii) by Bode in his Uranographia
2. Labelled Sigma² Horologii (σ² Hor/σ² Horologii) by Bode in his Uranographia
3. Labelled Upsilon¹ Horologii (υ¹ Hor/υ¹ Horologii) by Bode in his Uranographia
4. Labelled Omicron Horologii (ο Hor/ο Horologii) by Bode in his Uranographia
5. In Bode’s Uranographia
6. This designation was dropped by Francis Baily
7. Labelled Rho Horologii (ρ Hor/ρ Horologii) by Bode in his Uranographia
8. Labelled Sigma¹ Horologii (σ¹ Hor/σ¹ Horologii) by Bode in his Uranographia
9. Labelled Phi Horologii (φ Hor/φ Horologii) by Bode in his Uranographia
10. Labelled Upsilon² Horologii (υ² Hor/υ² Horologii) by Bode in his Uranographia
11. Labelled Tau Horologii (τ Hor/τ Horologii) 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.