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Details for Revision 4
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Name
  RW Sgr  
AAVSO UID
000-BCF-870 (8732 observations)  
Constellation
Sagittarius Sequence
J2000.0
19 13 54.60 -18 51 42.1  (288.47750 -18.86169) Search nearby
B1950.0 19 10 59.13 -18 56 53.7
Galactic coord. 18.322 -13.289
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19135459-1851420 AAVSO 1908-19A ASAS J191354-1851.7
ASASSN-V J191354.62-185142.2 BD-19 5347 GSC 06304-00228
Gaia DR3 4084115845238283264 HD 179604 HIP 94489
HV 79 IRC -20546 PPM 235683
SAO 162339 TIC 10559075 TYC 6304-228-1
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Variability type
SRA
Spectral type M4II/IIIe-M6III:e
Mag. range
9 - 11.7 V
Discoverer Markwick (1896)
Epoch
05 Sep 1973 (HJD 2441931) Ephemeris
Outburst --
Period 186.82 d
Rise/eclipse dur. 47%  (87.805400000000 d)
Remarks
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1 GCVS Team P var. Max = 2413798 + 189.0d*E (JD2413700 - 23000); Max = 2431998 + 190.87d*E (JD2423000 - 33500); since JD2433500 - see Table.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
External Links
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Riesen, Peter 2026-07-07 11:15 UTC Discoverer corrected.
4 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 24
3 Fernig, Leo 2022-04-22 13:34 UTC Discoverer updated from 1907AnHar..55....1C page 24
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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