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Details for Revision 3
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Name
  QU Sge  
AAVSO UID
000-BFD-592 (No observations)  
Constellation
Sagitta Sequence
J2000.0
19 53 49.34 +18 45 43.4  (298.45558 +18.76206) Search nearby
B1950.0 19 51 35.55 +18 37 50.1
Galactic coord. 56.737 -4.583
Other names

(Internal only)
2MASS J19534933+1845433 NGC 6838 V003  
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Variability type
EA/SD+SXPHE
Spectral type A3V+G0III:
Mag. range
15.21 - 16.54 V
Discoverer --
Epoch
17 Oct 2002 (HJD 2452564.9557) Ephemeris
Outburst --
Period 3.790818 d
Rise/eclipse dur. 11%  (10.01 h)
Remarks
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1 Otero, Sebastian Alberto In the globular cluster M71. Elements for the eclipses given. Min II= 15.44 V. SXPHE variability with amplitude of 0.024 in V, main period 0.02787 d. and secondary period 0.02508 d.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Jeon, Young-Beom, et al., 2006, Discovery of an SX Phoenicis Type Pulsating
Component in the Algol-Type Semidetached Eclipsing Binary QU Sagittae in
M71
2006ApJ...636L.129J
4 Jeon, Young-Beom, et al., 2006, Discovery of an SX Phoenicis Type Pulsating
Component in the Algol-Type Semidetached Eclipsing Binary QU Sagittae in
M71
2006ApJ...636L.129J
5 H.B.Sawyer, JRASCan 47,229,1953. 1953JRASC..47..229S
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2021-10-26 01:58 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2013-07-25 20:47 UTC Type, period, epoch, eclipse duration, spectral type and range from 2006ApJ...636L.129J.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.