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Name
  V0918 Sco  
AAVSO UID
000-BFL-144 (No observations)  
Constellation
Scorpius Sequence
J2000.0
16 36 22.56 -42 51 31.9  (249.09400 -42.85886) Search nearby
B1950.0 16 32 51.21 -42 45 27.0
Proper motion
RA: -5.39 +/- 0.52 mas/yDec: -2.25 +/- 0.48 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 340.538 +3.006
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J163622.5-425125 CD-42 11399 CPD-42 7441
HD 149404 HIP 81305 HR 6164
Hen 3-1222 NSV 7842 SAO 226953
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Variability type
ELL
Spectral type O7.5I(f)+ON9.7I
Mag. range
5.42 - 5.5 V
Discoverer --
Epoch
--
Outburst --
Period 9.813 d
Rise/eclipse dur. --
Remarks
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References
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1 Raucq, F.; et al., 2016, Observational signatures of past mass-exchange
episodes in massive binaries: The case of HD 149404		 2016arXiv160108083R
2 Ph.Massey, P.S.Conti, IAU Symp N83, 271, 1978. --
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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 = 4.39K = 4.19J - K = 0.41
AllWISE W1 = 4.11W2 = 3.72W3 = 3.79W4 = 3.27W1 - W2 = 0.38W3 - W4 = 0.52
Images
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2016-02-06 16:07 UTC Spectral type from 2016arXiv160108083R.
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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