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Details for Revision 3
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Name
  ASAS J183136-1815.4  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 31 36.30 -18 15 25.9  (277.90125 -18.25719) Search nearby
B1950.0 18 28 40.70 -18 17 37.3
Galactic coord. 14.449 -4.003
Other names

(Internal only)
2MASS J18313630-1815259 ASAS 183136-1815.4 ASASSN-V J183136.34-181526.7
SS73 167 UCAC4 359-151619 USNO-B1.0 0717-0715084
WISE J183136.29-181525.9    
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Variability type
M
Spectral type Me
Mag. range
12.3 - <15.3 V
Discoverer --
Epoch
13 Apr 2005 (HJD 2453474) Ephemeris
Outburst --
Period 212 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Spectral type 'Be' according to 1973ApJ...185..899S. However, according to 1978MNRAS.184..601A, the spectral type is 'conventional Me'. ASAS-3 magnitudes contaminated by 2MASS J18313509-1815220 (V= 15.4; sep. 18"). Range has been corrected.
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Allen, D. A., 1978, Classification spectra of Sanduleak and Stephenson
emission-line stars
1978MNRAS.184..601A
4 Allen, D. A., 1978, Classification spectra of Sanduleak and Stephenson
emission-line stars
1978MNRAS.184..601A
5 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1973ApJ...185..899S
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Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2023-02-21 22:11 UTC Gaia DR3 position.
3 Hümmerich, Stefan 2014-06-29 13:57 UTC Range and period from ASAS-3 data. Spectral type from 1978MNRAS.185..601A. UCAC4 position.
2 Admin, VSX 2007-04-04 10:10 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.