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Details for Revision 1
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Name
  QX Sge  
AAVSO UID
000-BFD-594 (No observations)  
Constellation
Sagitta Sequence
J2000.0
19 59 36.80 +20 48 15.0  (299.90333 +20.80417) Search nearby
B1950.0 19 57 25.00 +20 40 00.0
Galactic coord. 59.197 -4.698
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 --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Millisecond pulsar with brown dwarf companion.
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References
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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
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Images
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Supporting Documents
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Revision History
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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.