2021JAVSO..49...58P

Query : 2021JAVSO..49...58P

2021JAVSO..49...58P - J. Am. Assoc. Variable star obs., 49, 58 (2021)

Refining Ephemeris and Estimating Period Change Rate for V965 Cephei.

PYATNYTSKYY M.

Abstract (from CDS):

Using observations from the AAVSO International Database, data from the literature, and new photometry from the current investigation, the author has produced an O-C diagram for the HADS star V965 Cephei for the time interval September 2011 through December 2020. Analysis of the O-C diagram revealed that V965 Cep has been increasing its period at a constant rate (1/P) (dP/dt) of 1.02 (8) x 10<SUP>-6<SUP> yr<SUP>-1<SUP>. A refined ephemeris for the star: Tmax (HJD) = 2457504.8963(2) + 0.085067421(9) E + 1.01(8) x 10<SUP>-11<SUP> E2.

Abstract Copyright: ∼

Journal keyword(s):

Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.

Simbad objects: 1

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Number of rows : 1
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 GSC 04500-00083 dS* 00 09 49.3421234928 +80 21 41.257679328   14.6   13.9   ~ 4 0

Query : 2021JAVSO..49...58P

Basic data :
GSC 04500-00083 -- delta Sct Variable
Other object types: otypes_help 		* (GSC,NSVS,...), dS* (2009PZP), Pu* (2022yCat), V* (V*), NIR (2MASS)
ICRS coord. (ep=J2000) : 		00 09 49.3421234928 +80 21 41.257679328 (Optical) [ 0.0115 0.0128 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 07 01.3629652978 +80 04 59.880122875 [ 0.0115 0.0128 90 ]
Gal coord. (ep=J2000) : 		121.1137879801207 +17.6369440036582 [ 0.0115 0.0128 90 ]
Proper motions mas/yr : 		-2.049 2.573 [0.014 0.018 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.5058 [0.0139] A 2020yCat.1350....0G
Fluxes (6) :
B 14.6 [~] E 2003AJ....125..984M
R 13.9 [~] E 2003AJ....125..984M
G 13.598947 [0.005298] C 2020yCat.1350....0G
J 12.628 [0.025] C 2003yCat.2246....0C
H 12.45 [0.03] C 2003yCat.2246....0C
K 12.40 [0.03] C 2003yCat.2246....0C
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Identifiers (8) :
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GSC 04500-00083 NSVS 304708 USNO-B1.0 1703-00000800 Gaia DR2 565138604333299584
2MASS J00094937+8021412 TIC 407514834 V* V965 Cep Gaia DR3 565138604334092032

References (4 between 1850 and 2026) (Total 4)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Distance : 2    Var : 1    Plx : 2    PM : 2   

   

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Link by name to the catalogue in VizieR :

GSC 04500-00083 2MASS J00094937+8021412 USNO-B1.0 1703-00000800 V* V965 Cep Gaia DR2 565138604333299584
Gaia DR3 565138604334092032

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