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Name
  V4392 Sgr  
AAVSO UID
000-BFJ-665 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 23 14.66 -28 24 43.9  (275.81108 -28.41219) Search nearby
B1950.0 18 20 04.93 -28 26 16.2
Proper motion
RA: -0.130 +/- 0.071 mas/yDec: -46.481 +/- 0.054 mas/ySource: Gaia DR1
Galactic coord. 4.496 -6.945
Other names

(Internal only)
ASAS J182315-2824.7 CD-28 14520 CPD-28 6535
GSC 06856-01897 HD 168880 HIP 90100
IRAS 18200-2826 PPM 268337 SAO 186744
TYC 6856-1897-1 [M64] -28 91  
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Variability type
SR+EA
Spectral type K2/3+M
Mag. range
8.35 - 8.58 V
Discoverer --
Epoch
09 Oct 2005 (HJD 2453653) Ephemeris
Outburst --
Period 665 d
Rise/eclipse dur. 20%:  (133 d)
Remarks
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1 B. Skiff, M. Morel, 2014, Private communication M0III in 1964AJ.....69..104M
2 Otero, Sebastian Alberto The variation could also be interpreted as a very repetitive Long Secondary Period (LSP) with a period of 333 d. J-K= 1.13. Pulsations with a period of 51.4 d. are also present.
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References
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1 B. Skiff, M. Morel, 2014, Private communication --
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
5 S.W. McCuskey, S. W., 1964, AJ 69, 104 1964AJ.....69..104M
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 = 4.99H = 4.22K = 3.87J - K = 1.13
AllWISE W1 = 3.72W2 = 3.47W3 = 3.67W4 = 3.52W1 - W2 = 0.26W3 - W4 = 0.15
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2014-04-23 01:27 UTC Type, period, epoch, eclipse duration and range from ASAS-3 data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.