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Latest Details
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Name
  ASAS J163809-3128.6  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 38 08.60 -31 28 39.4  (249.53583 -31.47761) Search nearby
B1950.0 16 34 56.73 -31 22 41.8
Proper motion
RA: -2.3 +/- 4.2 mas/yDec: -13.9 +/- 3.4 mas/ySource: UCAC4
Galactic coord. 349.343 +10.305
Other names

(Internal only)
ASAS 163809-3128.6 ASASSN-V J163808.49-312839.6 UCAC4 293-099757
WISE J163808.5-312839    
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Variability type
CWA
Spectral type --
Mag. range
12.7 - 14.0 V
Discoverer --
Epoch
08 Aug 2016 (HJD 2457608.65265) Ephemeris
Outburst --
Period 13.6900747 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-3 and ASAS-Sn magnitudes contaminated by 2MASS J16380800-3128322 (V= 17.7; sep. 11") and 2MASS J16380819-3128286 (V= 15.8; sep. 12"). Range has been corrected.
2 Larsen, Kristine New period obtained from new VStar analysis of ASAS data and verified from ASAS-SN light curve; new type based on both sources.
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References
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1 Jayasinghe, T.; Stanek, K. Z.; Kochanek, C. S.; et al., 2018, The ASAS-SN
Catalog of Variable Stars II: Uniform Classification of 412,000 Known
Variables
2018arXiv180907329J
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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 = 10.99H = 10.59K = 10.42J - K = 0.57
AllWISE W1 = 10.42W2 = 10.47W3 = 10.19W4 = 8.79W1 - W2 = -0.05W3 - W4 = 1.40
APASS-DR9 B = 13.86V = 13.01g' = 13.44r' = 12.70i' = 12.53B - V = 0.85
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2019-10-29 03:08 UTC Elements from 2018arXiv180907329J. Type and range from ASAS-SN and ASAS-3 data. Gaia DR2 position.
3 Larsen, Kristine 2019-10-20 23:15 UTC Elements from 2018arXiv180907329J. Type and range from ASAS-SN and ASAS-3 data.
2 Zalezsak, Tamas 2016-03-24 02:49 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.