2024AstBu..79..437K

Query : 2024AstBu..79..437K

2024AstBu..79..437K - Astrophys. Bull., 79, 437-437 (2024/August-0)

Optical and X-Ray Variability of γ Cas Stars II: SAO 49725

KHOLTYGIN A.F., YAKUNIN I.A., BUKHARINOV V.S., MOKSHIN D.N., RYSPAEVA E.B. and TSIOPA O.A.

Abstract (from CDS):

This paper is devoted to studying the variability of the gamma Cas variable star SAO 49725. We analyze both the optical and X-ray spectra of the star. The line profile variability in the spectrum of SAO 49725 was discovered on short (70-223 minutes) scales. Regular variations of the SAO 49725 light curves with a period of 1.1989 days are detected using the photometric light curves obtained with the TESS satellite, identified with the rotation period of the star. The pattern of the photometric variability of SAO 49725 according to the TESS data significantly varies at different observational epochs. The TESS components of the SAO 49725 light curves with the periods of about 3-21 days may be instrumental. The presence of variations with the period P=230-178 minutes in the SAO 49725 X-ray light curves, obtained by the XMM-Newton telescope, is suspected.

Abstract Copyright: ∼

Journal keyword(s): stars: emission-line - Be-stars: individual: SAO 49725 - Solar and Stellar Astrophysics

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 BD+47 3129 HXB 20 30 30.8452150680 +47 51 50.717123784 8.95 9.594 9.273 9.273   B0.5V-IIIe 51 0

Query : 2024AstBu..79..437K

Basic data :
BD+47 3129 -- High Mass X-ray Binary
Other object types: otypes_help 		* (BD,AG,...), X (RX,1RXS,...), HXB (2019MNRAS), Em* (EM*,[KW97]), MIR (WISEA,WISE), V* (2012A&A), gam (INTREF), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 30 30.8452150680 +47 51 50.717123784 (Optical) [ 0.0142 0.0151 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 28 55.5442102291 +47 41 41.887530964 [ 0.0142 0.0151 90 ]
Gal coord. (ep=J2000) : 		085.2307201474082 +05.0474912848581 [ 0.0142 0.0151 90 ]
Proper motions mas/yr : 		-2.714 -4.536 [0.020 0.018 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.4194 [0.0159] A 2020yCat.1350....0G
Spectral type: 		B0.5V-IIIe C 1997A&A...323..853M
Fluxes (8) :
U 8.95 [~] D 2003AJ....125.2531R
B 9.594 [0.022] D 2000A&A...355L..27H
V 9.273 [0.019] D 2000A&A...355L..27H
R 9.273 [0.04] D 2012yCat.1322....0Z
G 9.025331 [0.002830] C 2020yCat.1350....0G
J 8.058 [0.026] C 2003yCat.2246....0C
H 7.854 [0.023] C 2003yCat.2246....0C
K 7.624 [0.027] C 2003yCat.2246....0C
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Identifiers (29) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

BD+47 3129 LS III +47 5 TYC 3577-1173-1 [KW97] 47-20
AG+47 1600 2MASS J20303085+4751506 UBV M 50944 [NM51] 17
ALS 11396 PMC 90-93 4776 UCAC4 690-081315 Gaia DR2 2083644392294059520
EM* MWC 1023 PPM 60049 uvby98 004703129 Gaia DR3 2083644392294059520
GEN# +0.04703129 RX J2030.5+4751 1WGA J2030.5+4751 Gaia DR1 2083644387990057472
GEN# +8.03470005 1RXS J203032.8+475200 WISEA J203030.84+475150.6
GSC 03577-01173 SAO 49725 WISE J203030.84+475150.7
INTREF 1026 TIC 187940144 4XMM J203030.7+475150

References (51 between 1850 and 2026) (Total 51)
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 : 3    PM : 3    SpT : 4   

   

Observing logs
XMM : 1   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : BD+47 3129

Link by name to the catalogue in VizieR :

BD+47 3129 AG+47 1600 ALS 11396 GSC 03577-01173 LS III +47 5
2MASS J20303085+4751506 PPM 60049 1RXS J203032.8+475200 SAO 49725 TYC 3577-1173-1
UCAC4 690-081315 uvby98 004703129 WISEA J203030.84+475150.6 WISE J203030.84+475150.7 Gaia DR2 2083644392294059520
Gaia DR3 2083644392294059520 Gaia DR1 2083644387990057472

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