1994ApJ...436..312A

Query : 1994ApJ...436..312A

1994ApJ...436..312A - Astrophys. J., 436, 312-318 (1994/November-3)

Orbital period variability in the eclipsing pulsar binary PSR B1957+20 : evidence for a tidally powered star.

APPLEGATE J.H. and SHAHAM J.

Abstract (from CDS):


Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Pulsars: Individual Alphanumeric: PSR B1957+20 - Stars: Magnetic Fields

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 PSR J1959+2048 Psr 19 59 36.7643141520 +20 48 14.896407996   21.08 20.16 19.53 18.79 G: 854 3

Query : 1994ApJ...436..312A

Basic data :
PSR J1959+2048 -- Pulsar
Other object types: otypes_help 		gam (1FGL,2FGL,...), Psr (2022ApJS,PSR), Pl? (2020ApJ), V* (V*), * (Gaia)
ICRS coord. (ep=J2000) : 		19 59 36.7643141520 +20 48 14.896407996 (Optical) [ 0.6353 0.7032 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		19 57 25.0391949060 +20 40 00.756655463 [ 0.6353 0.7032 90 ]
Gal coord. (ep=J2000) : 		059.1968896728793 -04.6974899421032 [ 0.6353 0.7032 90 ]
Proper motions mas/yr : 		-19.267 -26.560 [1.235 1.244 90] A 2020yCat.1350....0G
Parallaxes (mas): 		1.1878 [1.3556] A 2020yCat.1350....0G
Spectral type: 		G: E 1992ApJ...400..638A
Fluxes (6) :
B 21.08 [0.05] D 2007MNRAS.379.1117R
V 20.16 [0.05] D 2007MNRAS.379.1117R
R 19.53 [0.05] D 2007MNRAS.379.1117R
G 20.172272 [0.024249] C 2020yCat.1350....0G
I 18.79 [0.05] D 2007MNRAS.379.1117R
K 17.8 [0.1] D 2007MNRAS.379.1117R
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notes:

Identifiers (12) :
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PSR J1959+2048 3FGL J1959.5+2047 NAME PSR B1957+20 b EQ J195936+204814
1FGL J1959.6+2047 4FGL J1959.5+2048 PSR B1957+20 Gaia DR3 1823773960079216896
2FGL J1959.5+2047 NAME Black Widow V* QX Sge Gaia DR2 1823773960079216896

References (854 between 1850 and 2026) (Total 854)
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

Plx : 1    PM : 2    SpT : 1   

   

Observing logs
XMM : 1   

   

External archives :

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

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V* QX Sge Gaia DR3 1823773960079216896 Gaia DR2 1823773960079216896

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