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Name
  FG Ser  
AAVSO UID
000-BCB-736 (6000 observations)  
Constellation
Serpens Sequence
J2000.0
18 15 07.10 -00 18 52.3  (273.77958 -0.31453) Search nearby
B1950.0 18 12 33.00 -00 19 52.6
Proper motion
RA: -0.6 +/- 1.1 mas/yDec: -3.9 +/- 1.3 mas/ySource: UCAC4
Galactic coord. 28.482 +7.929
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1809-00 ASAS J181507-0018.8 ASAS J181507-0018.9
ASASSN-V J181507.03-001852.6 EM* AS 296 IOMC 5098000012
SON 10363    
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Variability type
ZAND+R
Spectral type M5.3III+WD
Mag. range
9.6 - 12.4 V
Discoverer --
Epoch
30 Apr 2000 (HJD 2451665.0) Ephemeris
Outburst --
Period 633.5 d
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 0.8166 ± 0.1260 mas (distance 1.2 ± 0.2 kpc).
2 Otero, Sebastian Alberto Eclipses during outburst.
3 2013arXiv1312.6063G Pulsation period 50d.
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References
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1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]
2013arXiv1312.6063G
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 The ongoing outburst of the eclipsing symbiotic nova AS 296 - The first
1200 days
1992AJ....104..262M
5 C.Hoffmeister, AN 290, H.5 6, 277, 1968. 1968AN....290..277H
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 5.91H = 4.87K = 4.39J - K = 1.51
AllWISE W1 = 4.27W2 = 4.00W3 = 3.96W4 = 3.54W1 - W2 = 0.27W3 - W4 = 0.42
APASS-DR9 B = 14.07V = 12.24g' = 13.13r' = 11.14B - V = 1.83
GALEX-DR5 FUV = 17.50NUV = 18.07FUV - NUV = -0.57
Images
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Supporting Documents
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Revision History
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6 Schmeer, Patrick 2019-02-18 21:52 UTC Gaia DR2 position.
5 Otero, Sebastian Alberto 2014-03-09 03:30 UTC Spectral type and range from 1992AJ....104..262M. Type from observed light curve.
4 Admin, VSX 2013-12-27 05:49 UTC Update from [2013arXiv1312.6063G].
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Wils, Patrick 2007-05-27 03:02 UTC Type updated.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.