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

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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 - 2026 		#notes
1 HD 15890 * 02 31 50.9204250552 -46 39 58.538975940   10.460 9.921     G8/K0(III) 10 0
2 HD 15980 * 02 35 13.9902232272 +40 35 48.141835296   7.85 7.87     ~ 22 0
3 HD 16004 * 02 35 27.9012972072 +39 39 51.766294680   6.258 6.345     B9.5IIIpHg? 55 0
4 HD 16219 SB* 02 37 20.8404309792 +39 53 45.957893172   6.409 6.522     B5V 56 0
5 HD 20536 * 03 21 19.0517611464 +61 59 57.041618856   6.79 6.77     B8 32 0
6 HD 21447 * 03 30 00.1828170168 +55 27 06.506069256 5.160 5.140 5.090 5.01 5.02 A1Va 147 0
7 V* KZ Cam a2* 03 38 19.7334959304 +56 55 57.775389816 7.589 6.176 6.282     B9p 82 0
8 HD 23383 * 03 47 32.1478965960 +55 55 19.051949424 7.763 6.063 6.082     B9Vnn 56 0
9 HD 23594 * 03 49 19.7584379040 +57 07 05.764401480 8.432 6.502 6.448     B9V 44 0
10 HD 47863 * 06 41 21.9414661248 +16 23 51.549879156   6.247 6.272     A1V 38 0
11 * 26 Gem PM* 06 42 24.3272435853 +17 38 43.086480602   5.27 5.21     A2V 97 0
12 HD 49059 ** 06 47 23.45678 +18 11 36.4333           A2V 63 0
13 * 33 Gem Pe* 06 49 49.8362378064 +16 12 10.382708016 5.24 5.72 5.87     B9III 158 0
14 V* HH Com a2* 13 18 37.2495284424 +26 21 56.748367008   8.08 7.83     A2p 118 0
15 HD 116233 PM* 13 21 59.8183590576 +24 52 56.348779584   7.315 7.073     A9III 28 0
16 HD 116706 * 13 25 06.6781079208 +23 51 15.912465444   5.829 5.745     A3IV 77 0

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