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Latest Details
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Name
  GM Ser  
AAVSO UID
000-BFM-021 (279 observations)  
Constellation
Serpens Sequence
J2000.0
18 08 35.81 -15 04 01.7  (272.14921 -15.06714) Search nearby
B1950.0 18 05 44.07 -15 04 33.7
Proper motion
RA: 9.3 +/- 7.7 mas/yDec: 13.6 +/- 7.4 mas/ySource: UCAC4
Galactic coord. 14.665 +2.360
Other names

(Internal only)
2MASS J18083581-1504017 MSX6C G014.6645+02.3600 Maffei 92
USNO-B1.0 0749-0514215    
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Variability type
E
Spectral type M7
Mag. range
12.0 - 14.0 I
Discoverer --
Epoch
15 Jul 1968 (HJD 2440053.0) Ephemeris
Outburst --
Period 219.3 d
Rise/eclipse dur. --
Remarks
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1 2012arXiv1211.2475T Not an RCB.
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References
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1 P. Maffei, G. Tosti, 2013, VizieR Catalogue II/320 2013yCat.2320....0M
2 P. Tisserand, G.C. Clayton, D.L. Welch, B. Pilecki, L. Wyrzykowski, D.
Kilkenny, 2012, arXiv:1211.2475 [astro-ph.SR]
2012arXiv1211.2475T
3 P.Maffei, IBVS N985, 1975. 1975IBVS..985....1M
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 = 8.17H = 6.99K = 6.35J - K = 1.82
AllWISE W1 = 5.70W2 = 5.27W3 = 4.40W4 = 3.44W1 - W2 = 0.43W3 - W4 = 0.96
Images
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Supporting Documents
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Revision History
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4 Admin, VSX 2013-09-24 22:13 UTC Update from [2013yCat.2320....0M].
3 Admin, VSX 2012-11-13 21:32 UTC Update from [2012arXiv1211.2475T].
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.