SIMBAD query result

Object query : BLACK_WIDOW C.D.S. - SIMBAD4 rel 1.221 - 2014.04.17CEST11:45:25

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
V* QX Sge -- Eclipsing binary
with radius arcmin

Other object types: EB* () , gam (1FGL,2FGL,VER) , Psr (PSR) , V* (V*)
ICRS coord. (ep=J2000) : 19 59 36.76988 +20 48 15.1222 ( ~ ) [ ~ ~ ~ ] D 1994ApJ...426L..85A
FK5 coord. (ep=J2000 eq=2000) : 19 59 36.770 +20 48 15.12 ( ~ ) [ ~ ~ ~ ] D 1994ApJ...426L..85A
FK4 coord. (ep=B1950 eq=1950) : 19 57 25.03 +20 40 00.9 ( ~ ) [ ~ ~ ~ ] D 1994ApJ...426L..85A
Gal coord. (ep=J2000) : 059.1969 -04.6975 ( ~ ) [ ~ ~ ~ ] D 1994ApJ...426L..85A
Proper motions mas/yr [error ellipse]: -16 -26 [1 1 161] C ~
Fluxes (2) :
B 20.4 [~] D ~
V 20.4 [~] E 2003AstL...29..468S

essential notes:


Identifiers (7) :

V* QX Sge 2FGL J1959.5+2047 PSR J1959+2048 VER J1959+208
1FGL J1959.6+2047 NAME BLACK WIDOW PSR B1957+20

Plots and Images

plot

radius arcmin


CDS portal

CDS Simplay
(requires flash)

Aladin applet

References (548 between 1850 and 2014)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

from: to:

                                  Sort reference summaries by : (not exhaustive, explanation here)

                                 


Measurements (1 types) :


XMM : 1   

   


External archives :

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

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

V* QX Sge PSR J1959+2048 PSR B1957+20

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

Currently no annotations available

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report an error concerning the data of this object


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2014.04.17-11:45:25

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