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Details for Revision 4
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  V Sge  
000-BCL-364 (103074 observations)  
Sagitta Sequence
20 20 14.69 +21 06 10.4  (305.06121 +21.10289) Search nearby
B1950.0 20 18 02.06 +20 56 38.6
Galactic coord. 62.053 -8.602
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2015+20 AN 21.1902 Downes V Sge
Hen 3-1879 NSVS J2020147+210612  
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Variability type
Spectral type pec(cont+e)
Mag. range
8.6 - 13.9 V
Discoverer --
13 Aug 1962 (HJD 2437889.9154) Ephemeris
Outburst --
Period 0.514195 d  (12.3407 h)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto V Sge star.
2 GCVS Team VB A (B 13.9m, 9.7", 267deg); SB2 (K1 = 320 km/s, K2 = 85 km/s). P var? The depth of eclipses varies from 0.6m to 1.3m. The mean brightness outside eclipses varies. There are also flares with amplitudes up to 3m and small light variations with a time scale of minutes, dozens of minutes and a few days. spectrum description [G.H.Herbig, G.W.Preston, J.Smak, B.Paczynski, ApJ 141, 617, 1965., G.Williams, ApJ Suppl 53, N3, 523, 1983.].
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Bob Nelson's O-C files, 2016 --
2 Transient jets in V617 Sagittarii 2007A&A...471L..25S
3 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 G.H.Herbig, G.W.Preston, J.Smak, B.Paczynski, ApJ 141, 617, 1965. 1965ApJ...141..617H
6 A.Brun, BASF 69, Sept., 1955. --
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Billiaert, Bruno 2015-12-28 11:46 UTC discoverer added (1903AN....160..345C)
4 Otero, Sebastian Alberto 2014-05-21 23:06 UTC Type updated.
3 Otero, Sebastian Alberto 2011-05-22 21:09 UTC Subtype from reference.
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.