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Name
  NSVS J1840212-000701  
AAVSO UID
--  
Constellation
Serpens Sequence
J2000.0
18 40 21.52 -00 06 52.4  (280.08967 -0.11456) Search nearby
B1950.0 18 37 47.64 -00 09 42.5
Galactic coord. 31.566 +2.413
Other names

(Internal only)
2MASS J18402152-0006524 ASAS J184022-0006.9 ASASSN-V J184021.52-000652.4
CMC14 J184021.5-000652 EIC 8875 GDS_J1840214-000652
HaroChavira 21 IRAS 18377-0009  
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Variability type
SR
Spectral type M8
Mag. range
16.9 V (>0.490)Ic
Discoverer --
Epoch
--
Outburst --
Period 249 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.71.
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References
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1 Catalogue of Stellar Spectral Classifications (Skiff, 2013) 2013yCat....102023S
2 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 G. Pojmanski, 2000, AcA 50, 177 2000AcA....50..177P
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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 = 6.15H = 4.91K = 4.44J - K = 1.71
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2013-11-05 06:00 UTC Type from NSVS data. Spectral type and magnitude from Skiff (2013). 2MASS position.
2 Admin, VSX 2011-12-27 06:15 UTC Update from [2000AcA....50..177P].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.