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  Mis V0471  
Ophiuchus Sequence
18 31 32.19 +04 22 51.8  (277.88412 +4.38106) Search nearby
B1950.0 18 29 03.52 +04 20 39.7
Galactic coord. 34.579 +6.419
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18313219+0422517 ASAS J183132+0422.8 NSVS J1831321+042253
USNO-B1.0 0943-0364022 [D75] 80  
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Variability type
Spectral type M3S
Mag. range
12.7 V - <18.0 clear
Discoverer Seiichi Yoshida, Ken-ichi Kadota
12 Sep 2008 (HJD 2454722) Ephemeris
Outburst --
Period 339 d
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
3 S.Yoshida, K.Kadota, T.Kato, IBVS N4854, 2000. 2000IBVS.4854....1Y
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1975AbaOB..47..171D
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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 = 6.62H = 5.54K = 5.00J - K = 1.62
AllWISE W1 = 4.88W2 = 4.36W3 = 4.19W4 = 3.79W1 - W2 = 0.52W3 - W4 = 0.40
APASS-DR9 B = 17.70V = 14.73B - V = 2.97
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2014-05-21 19:59 UTC Primary record creation. Type, period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude from GSC2.3.
2 Admin, VSX 2007-04-04 06:13 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.