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Name
  V4360 Sgr  
AAVSO UID
000-BFJ-642 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 15 48.01 -31 06 12.0  (273.95004 -31.10333) Search nearby
B1950.0 18 12 33.98 -31 07 12.6
Proper motion
RA: 13.4 +/- 12.3 mas/yDec: -27.2 +/- 13.5 mas/ySource: UCAC4
Galactic coord. 1.341 -6.750
Other names

(Internal only)
2MASS J18154801-3106119 ASASSN-V J181547.94-310611.5 Plaut 3-239
UCAC3 118-392987    
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Variability type
CST:
Spectral type --
Mag. range
--
Discoverer --
Epoch
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Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto The star was named after a wrong report in the original reference that corresponded to the nearby RVB star V1833 Sgr. Identification is ambiguous because there are at least 2 (and possibily 3) objects at Plaut 3-239 position. The candidate was chosen due to its 2MASS red colors (J-K 1.42) but most of the other astrometric catalogues give a different position: 18 15 47.94 -31 06 11.4 (J2000.0) for USNO-B1.0 0588-0682042 = GSC2.3 S9SM003609 = UCAC3 118-392982 (not in 2MASS). Also another nearby star (2MASS J18154817-3106226 = USNO-B1.0 0588-0682074 = GSC2.3 S9SM057527, not in UCAC3) at 18 15 48.18 -31 06 22.7 (J2000.0, 2MASS) with J-K 0.78. Magnitude for the candidate(s) between 14 and 17 (variations probably due to uncertain identifications and light contamination from the companions). It must be stressed that the identification is for the star named as Plaut 3-239 in Plaut's charts but its variability has not been proven since the elements given in (1971A&AS....4...75P) correspond to V1833 Sgr.
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References
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1 L.Plaut, AsAp Suppl 4, No.2, 75, 1971. 1971A&AS....4...75P
2 General Catalogue of Variable Stars Team archive. --
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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 = 8.69H = 7.73K = 7.27J - K = 1.42
AllWISE W1 = 7.17W2 = 7.15W3 = 6.31W4 = 5.34W1 - W2 = 0.02W3 - W4 = 0.97
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2011-02-28 20:52 UTC Cross-identification with V1833 Sgr deleted. Star flagged as non-variable. Remark on the spurious nature of the report added. 2MASS position.
3 Otero, Sebastian Alberto 2011-02-25 05:48 UTC Primary record creation. New identification.
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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