1999A&AS..134...53A

Query : 1999A&AS..134...53A

1999A&AS..134...53A - Astron. Astrophys., Suppl. Ser., 134, 53-57 (1999/January-1)

uvby photometry of the chemically peculiar stars. HD 15980, HR 1094, 33 Gem, and HD 115708.

ADELMAN S.J.

Abstract (from CDS):

Differential Stroemgren uvby photometry obtained with the Four College Automated Photoelectric Telescope shows that the hot HgMn star 33 Gem is photometrically constant. The Si star HD 15980 is found to be a variable whose period is significantly greater than 2 years. The unusual magnetic chemically peculiar Co star HR 1094 is discovered to be a low amplitude photometric variable with the magnetic field period of Hill & Blake (1996MNRAS.278..183H), 2.9761 days. The ephemeris for the magnetic chemically peculiar star HD 115708 of Wade et al. (1996A&A...307..500W) is confirmed with the error in its period of 5.07622 days being greatly reduced. The u, v, b, and y light curves for both HR 1094 and HD 115708 exhibit differences which indicate complex elemental photospheric abundance distributions.

Abstract Copyright: ∼

Journal keyword(s): stars: individual: HD 15890, HR 1094, 33 Gem, HD 115708 - stars: chemically peculiar

VizieR on-line data: <Available at CDS (J/A+AS/134/53): table3.dat table4a.dat table4b.dat table5a.dat table5d.dat table6.dat>

Simbad objects: 16

Full paper

View the references in ADS

Number of rows : 16

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023
1	HD 15890	*	02 31 50.9204250552	-46 39 58.538975940		10.460	9.921			G8/K0(III)	8
2	HD 15980	*	02 35 13.9902232272	+40 35 48.141835296		7.85	7.87			~	22
3	HD 16004	*	02 35 27.9012972072	+39 39 51.766294680		6.258	6.345			B9.5IIIpHg?	51
4	HD 16219	SB*	02 37 20.8404309792	+39 53 45.957893172		6.409	6.522			B5V	53
5	HD 20536	*	03 21 19.0517611464	+61 59 57.041618856		6.79	6.77			B8	28
6	HD 21447	*	03 30 00.1828170168	+55 27 06.506069256	5.160	5.140	5.090	5.01	5.02	A1Va	136
7	V* KZ Cam	a2*	03 38 19.7334959304	+56 55 57.775389816	7.589	6.176	6.282			B9p	74
8	HD 23383	EB*	03 47 32.1478965960	+55 55 19.051949424	7.763	6.063	6.082			B9Vnn	52
9	HD 23594	*	03 49 19.7584379040	+57 07 05.764401480	8.432	6.502	6.448			B9V	41
10	HD 47863	*	06 41 21.9414661248	+16 23 51.549879156		6.247	6.272			A1V	34
11	* 26 Gem	PM*	06 42 24.3272189	+17 38 43.111835		5.27	5.21			A2V	87
12	HD 49059	**	06 47 23.45678	+18 11 36.4333						A2V	61
13	* 33 Gem	Ro*	06 49 49.8362378064	+16 12 10.382708016	5.24	5.72	5.87			B7III	147
14	V* HH Com	a2*	13 18 37.2495284424	+26 21 56.748367008		8.08	7.83			A2p	113
15	HD 116233	PM*	13 21 59.8183590576	+24 52 56.348779584		7.315	7.073			A9III	24
16	HD 116706	*	13 25 06.6781079208	+23 51 15.912465444		5.829	5.745			A3IV	69

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