2001JAVSO..29...82P

Query : 2001JAVSO..29...82P

2001JAVSO..29...82P - J. Am. Assoc. Variable star obs., 29, 82-88 (2001/June-0)

RS CVn stars in the AAVSO photoelectric photometry program.

PERCY J.R., SOONDARSINGH D. and VELOCCI V.

Abstract (from CDS):

We report V photometry of three RS CVn stars-HK Lac, SZ Psc, and l And-from the AAVSO photoelectric photometry program, and from transformed Hipparcos photometry, over 3500 days. Eighteen photoelectric photometry observers contributed to this project. The stars vary on periods of days to weeks, due to rotation of a spotted photosphere. The rotational light curves vary on time scales of months to years, due to changes in the area and/or distribution of the spots.

Abstract Copyright: ∼

Journal keyword(s): RS CVn, Variable Stars

Simbad objects: 9

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Number of rows : 9
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 208728 * 21 57 04.9061084520 +46 35 32.750507040   7.954 6.788     K0 32 0
2 V* HK Lac RS* 22 04 56.6083608840 +47 14 04.479131004   8.01 6.96     K0III 250 0
3 HD 210731 * 22 11 21.1962706056 +47 08 52.579287528   7.97 7.39     F8 36 0
4 HD 219018 SB* 23 12 38.5914643702 +02 41 10.389669095   8.33 7.71     G5V 105 0
5 V* SZ Psc RS* 23 13 23.7784875720 +02 40 31.602660924   8.19 7.44   6.390 G5Vp 333 1
6 HD 219114 * 23 13 28.3840541496 +00 55 50.068997400   7.83 7.53     F0/2V 16 0
7 * lam And RS* 23 37 33.8427800830 +46 27 29.344721109 5.54 4.84 3.82 3.04 2.47 G8IVk 693 0
8 HD 222143 BY* 23 37 58.4879988924 +46 11 57.964746541 7.400 7.230   6.2   G2 135 0
9 HD 222516 ** 23 41 05.4397789680 +46 13 05.726017632   7.441 6.978     F5 79 0

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