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Details for Revision 1
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Name
  V3057 Sgr  
AAVSO UID
000-BFH-406 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 20 03.80 -31 58 26.0  (275.01583 -31.97389) Search nearby
B1950.0 18 16 48.48 -31 59 46.5
Galactic coord. 0.983 -7.957
Other names

(Internal only)
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2MASS J18200378-3158258 ASAS J182002-3158.3 USNO-B1.0 0580-0820408
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Variability type
M
Spectral type --
Mag. range
14.1 - 18.7 p
Discoverer --
Epoch
02 May 1957 (HJD 2435961) Ephemeris
Outburst --
Period 232 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by 2MASS J18200218-3158149 (V= 13.95; sep. 23") and other nearby stars. Range has been corrected.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 L.PLaut, AsAp Suppl 4, N2, 75, 1971. 1971A&AS....4...75P
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Supporting Documents
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Stellar Association Membership
 Ferrero 1 Open Cluster 2012A&A...548A..97Z
Revision History
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3 Otero, Sebastian Alberto 2013-06-13 22:06 UTC Primary record creation. Period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude from GSC2.3. UCAC4 position.
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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