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Latest Details
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Name
  ALS 3728  
AAVSO UID
--  
Constellation
Ara Sequence
J2000.0
16 44 46.35 -47 23 19.7  (251.19313 -47.38881) Search nearby
B1950.0 16 41 04.18 -47 17 48.8
Proper motion
RA: -1.690 +/- 1.969 mas/yDec: -3.259 +/- 1.670 mas/ySource: Gaia DR1
Galactic coord. 338.125 -1.104
Other names

(Internal only)
2MASS J16444634-4723196 ASASSN-V J164446.38-472319.1 CD-47 11015
GDS_J1644463-472319 GSC 08330-02266 NGC 6200 3
TYC 8330-2266-1    
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Variability type
BCEP
Spectral type B1IV
Mag. range
10.97 - 11.10 V
Discoverer --
Epoch
--
Outburst --
Period 0.2030 d  (4.87 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Secondary period 0.0744 d. Slightly different periods depending on wavelength. The star is 21" away from the red star GSC 08330-02735 (a possible blended double with combined V= 13.8) and 28" away from the possibly slightly variable Be star SS 279 (V= 12.02 - 12.22). Magnitudes were derived using SS 279 as the comparison star with mean V= 12.15 from APASS (two observations). This star is not HD 328864 as stated in some publications. HD 328864 is NGC 6200 5.
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References
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1 C. Ulusoy, E. Niemczura, B. Ulas, T. Gülmez, 2013, arXiv:1302.5313
[astro-ph.SR]		 2013arXiv1302.5313U
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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 = 9.83H = 9.71K = 9.65J - K = 0.18
AllWISE W1 = 9.53W2 = 9.57W3 = 8.87W4 = 5.33W1 - W2 = -0.04W3 - W4 = 3.55
APASS-DR9 B = 11.57V = 11.02g' = 11.38r' = 10.83i' = 10.67B - V = 0.55
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2013-02-23 23:50 UTC Range from Ulusoy et al. and APASS data. Period from Ulusoy et al.
1 Admin, VSX 2013-02-23 02:25 UTC Preserved original object data.

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