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Name
  V4088 Sgr  
AAVSO UID
000-BFJ-386 (7 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 51 06.37 -20 18 00.3  (282.77654 -20.30008) Search nearby
B1950.0 18 48 08.47 -20 21 35.3
Proper motion
RA: -1.477 +/- 0.045 mas/yDec: -5.937 +/- 0.029 mas/ySource: Gaia DR1
Galactic coord. 14.675 -9.032
Other names

(Internal only)
ASAS J185106-2018.0 BD-20 5288 CPD-20 7224
HD 174403 HIP 92505 SAO 187358
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Variability type
EA
Spectral type B6IV
Mag. range
7.49 - 7.9 V
Discoverer --
Epoch
13 May 1981 (HJD 2444738.43) Ephemeris
Outburst --
Period 299.585 d
Rise/eclipse dur. 0.9%  (2.7 d)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II= 7.8: V at phase 0.343.
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References
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1 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1984JRASC..78..229T
4 D.G.Turner, M.Pedreros, IBVS N2263,1983. 1983IBVS.2263....1T
5 Gieren, W., 1981, A simultaneous photometric and radial velocity study of
short-period southern Cepheids. II - The photometry
1981ApJS...47..315G
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 = 7.09H = 7.07K = 7.03J - K = 0.07
AllWISE W1 = 7.02W2 = 7.04W3 = 7.11W4 = 7.06W1 - W2 = -0.02W3 - W4 = 0.05
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2018-07-07 11:55 UTC Phase plot with zoomed in light curves of the eclipses using ASAS-3, HIPPARCOS, IBVS 2263 and Gieren data.
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Stellar Association Membership
 Collinder 394 Open Cluster 2012A&A...548A..97Z
Revision History
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4 Otero, Sebastian Alberto 2018-07-07 11:55 UTC Type, period, epoch, eclipse duration and range from ASAS-3, HIPPARCOS, IBVS 2263 and Gieren data.
3 Admin, VSX 2017-12-15 13:09 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
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.