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Latest Details
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Name
  QX Sge  
AAVSO UID
000-BFD-594 (No observations)  
Constellation
Sagitta Sequence
J2000.0
19 59 36.76 +20 48 14.9  (299.90317 +20.80414) Search nearby
B1950.0 19 57 25.02 +20 39 59.4
Galactic coord. 59.197 -4.697
Other names

(Internal only)
PSR B1957+20 PSR J1959+2048  
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Variability type
E/PSR
Spectral type --
Mag. range
20.4 - <23.0 V
Discoverer --
Epoch
--
Outburst --
Period 0.381967
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Millisecond pulsar with brown dwarf companion.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Evidence for a Massive Neutron Star from a Radial-velocity Study of the
Companion to the Black-widow Pulsar PSR B1957+20
2011ApJ...728...95V
2 J.van Paradijs, J.Allington-Smith, P.Callanan, P.A.Charles, B.J.M.Hassall,
G.Machin, K.O.Mason, T.Naylor, A.P.Smale, Nature 334, No.6184,684,1988.
1988Natur.334..684V
External Links
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Location    Go   
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 59 36.76 +20 48 14.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-10-28 05:45 UTC Period from 2011ApJ...728...95V.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.