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Name
  V0642 Sgr  
AAVSO UID
000-BFF-139 (1 observation)  
Constellation
Sagittarius Sequence
J2000.0
18 10 21.35 -36 29 29.5  (272.58896 -36.49153) Search nearby
B1950.0 18 06 58.13 -36 30 07.2
Galactic coord. 356.000 -8.256
Other names

(Internal only)
2MASS J18102135-3629293 ASASSN-V J181021.44-362929.4 CMC15 J181021.3-362929
GSC2.3 S9PO031643 Gaia DR2 4037980028174664960 Gaia DR3 4037980028174664960
HV 7252 OGLE BLG948.20.546 OGLE-BLG-RRLYR-57179
UCAC4 268-157233 USNO-A2.0 0525-32836568 USNO-B1.0 0535-0637082
VVV J181021.36-362929.46    
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Variability type
RRAB
Spectral type --
Mag. range
15.14 - 16.36 V
Discoverer Henrietta H. Swope
Epoch
08 Dec 2014 (HJD 2457000.35677) Ephemeris
Outburst --
Period 0.51412889 d  (12.339093 h)
Rise/eclipse dur. 14%  (1.7275 h)
Remarks
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1 Otero, Sebastian Alberto VSP Note: 19th Vmag. star 1.6" to the N and 16.2 Vmag. star 7" to the SW.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
2 Soszyński, I.; et al., 2019, Over 78 000 RR Lyrae Stars in the
Galactic Bulge and Disk from the OGLE Survey
2019AcA....69..321S
3 V.P.Zessewitsch, M.S.Kazanasmas, Atlas of Finding Charts for Variable
Stars, M., 1971.
1971afcv.book.....T
4 H.H.Swope, HA 90, N7, 1936. 1940AnHar..90..207S
External Links
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Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-11-01 21:13 UTC Period and epoch from 2019AcA....69..321S. Rise duration from OGLE data. Range derived from Gaia DR3 data. Gaia DR3 position.
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.