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Details for Revision 1
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Name
  VSX J164055.0-442840  
AAVSO UID
000-BJJ-384 (No observations)  
Constellation
Scorpius Sequence
J2000.0
16 40 55.08 -44 28 40.1  (250.22950 -44.47781) Search nearby
B1950.0 16 37 19.89 -44 22 53.7
Galactic coord. 339.878 +1.314
Other names

(Internal only)
2MASS J16405503-4428401 ASASSN-V J164055.08-442840.1  
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Variability type
M
Spectral type --
Mag. range
13.9 - 16.0
Discoverer Martin Nicholson
Epoch
18 Feb 2000 (HJD 2451593) Ephemeris
Outburst --
Period 264 d
Rise/eclipse dur. 52%  (137 d)
Remarks
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1 Nicholson, Martin Quoted magnitudes are OGLE i band. Quoted period is only approximate. Full citation is :- Szymanski, 2005, Acta Astron., 55, 43 Udalski, Kubiak and Szymanski, 1997, Acta Astron., 47, 319.
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References
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1 OGLE On-line Photometry Databases Szymanski, 2005, Acta Astron., 55, 43
2 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
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Supporting Documents
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2 SCO_SC1 135610 Nicholson, Martin 2009-01-10 12:22 UTC Light curve for SCO_SC1 135610 (2MASS J16405503-4428401)
1 Phase SCO_SC1 135610 Nicholson, Martin 2009-01-10 12:22 UTC Phase plot for SCO_SC1 135610 (2MASS J16405503-4428401)
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Revision History
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2 Otero, Sebastian Alberto 2023-02-22 17:57 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Nicholson, Martin 2009-01-14 03:40 UTC Initial submission.