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Latest Details
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Name
  IGR J18308-1232  
AAVSO UID
--  
Constellation
Scutum Sequence
J2000.0
18 30 49.87 -12 32 19.4  (277.70779 -12.53872) Search nearby
B1950.0 18 28 01.39 -12 34 27.7
Galactic coord. 19.444 -1.202
Other names

(Internal only)
GSC2.3 S9JY030709 USNO-B1.0 0774-0551687  
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Variability type
DQ
Spectral type cv
Mag. range
17.7 - ? V
Discoverer --
Epoch
22 Jun 2011 (HJD 2455734.698) Ephemeris
Outburst --
Period 0.2239: d  (5.37 h)
Rise/eclipse dur. --
Remarks
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1 2012arXiv1204.3758B White dwarf spin period 1820s.
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References
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1 Thorstensen, J. R.; Halpern, J., 2013, Optical and X-Ray Studies of 10
X-Ray-selected Cataclysmic Binaries
2013AJ....146..107T
2 F. Bernardini, D. de Martino, M. Falanga, K. Mukai, G. Matt, J.-M.
Bonnet-Bidaud, N. Masetti, M.Mouchet, 2012, arXiv:1204.3758v1 [astro-ph.HE]
2012arXiv1204.3758B
3 S. Butler et al., 2009, arXiv:0903.1302v1 [astro-ph.HE] 2009arXiv0903.1302B
External Links
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Images
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Supporting Documents
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Stellar Association Membership
 Ruprecht 141 Open Cluster 2012A&A...548A..97Z
Revision History
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4 Admin, VSX 2017-12-16 02:54 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Otero, Sebastian Alberto 2015-06-05 20:20 UTC Period and epoch from 2013AJ....146..107T. PPMXL position.
2 Admin, VSX 2012-04-20 00:27 UTC Update from [2012arXiv1204.3758B].
1 Admin, VSX 2009-05-28 01:29 UTC Initial upload.