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Name
  V3902 Sgr  
AAVSO UID
000-BFJ-224 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 08 40.53 -31 12 09.8  (272.16888 -31.20272) Search nearby
B1950.0 18 05 26.36 -31 12 40.6
Proper motion
RA: -3.8 +/- 4.1 mas/yDec: -0.7 +/- 9.0 mas/ySource: UCAC4
Galactic coord. 0.530 -5.452
Other names

(Internal only)
2MASS J18084054-3112095 AN 604.1933 ASAS J180841-3112.2
ASASSN-V J180840.42-311209.5 GSC 07391-01722 HV 9263
IRAS 18054-3112 IRC -30361 NSVS 19431077
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Variability type
M
Spectral type M9
Mag. range
12.6 - <14.5 V
Discoverer --
Epoch
20 Aug 2002 (HJD 2452507) Ephemeris
Outburst --
Period 519 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Bumped mira.
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References
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1 The All Sky Automated Survey 2002AcA....52..397P
2 W.J.Luyten, AN 250, 261, 1933; Minn Publ 2, N6, 1938. 1933AN....250..259L
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 = 4.61H = 3.49K = 2.97J - K = 1.63
AllWISE W3 = 0.68W4 = 0.12W3 - W4 = 0.56
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2012-03-03 02:29 UTC Phase plot with ASAS-3 data and NSVS data shifted to the ASAS V-scale.
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Revision History
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3 Otero, Sebastian Alberto 2012-03-03 02:29 UTC Type, period, epoch and range from ASAS-3 and NSVS data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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