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Details for Revision 1
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Name
  IR Sgr  
AAVSO UID
000-BFD-777 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 33 39.90 -25 20 51.0  (278.41625 -25.34750) Search nearby
B1950.0 18 30 34.81 -25 23 11.0
Galactic coord. 8.310 -7.637
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18333950-2520423 ASASSN-V J183339.46-252043.9 EPIC 223813570
GSC2.3 S9TB016379 Gaia DR2 4076214411158131968 Gaia DR3 4076214411158131968
HV 4143 OGLE BLG567.06.39997 OGLE-BLG-RRLYR-62935
PS1-3PI J183339.50-252042.2 UCAC4 324-177711 USNO-B1.0 0646-0714032
VVV J183339.50-252042.28    
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Variability type
RR
Spectral type --
Mag. range
13.4 - 15.0 p
Discoverer --
Epoch
--
Outburst --
Period 0.347: d  (8.3 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 13.1 Vmag. star 10" to the NW.
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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 B. Sesar, N. Hernitschek, S. Mitrovic, et al., 2017, Machine-learned
Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1
Sample
2017AJ....153..204S
4 J.H.Andersen, AJ 63, 511, 1958. 1958AJ.....63..511A
5 I.E.Woods, HB N854, 1928. 1928BHarO.854....4W
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-12-12 20:34 UTC Type and identification from 2017AJ....153..204S. 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.