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Latest Details
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Name
  2MASS J18153824-2038457  
AAVSO UID
000-BMZ-409 (2 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 15 38.25 -20 38 45.7  (273.90939 -20.64603) Search nearby
B1950.0 18 12 39.39 -20 39 47.5
Galactic coord. 10.575 -1.789
Other names

(Internal only)
MGAB-V214 UCAC4 347-131524 USNO-A2.0 0675-24696752
USNO-B1.0 0693-0600436 WISE J181538.25-203845.7  
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Variability type
RCB
Spectral type --
Mag. range
18.3 - <20.3 g
Discoverer Gabriel Murawski
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Murawski, Gabriel Rise after fade observed by PANSTARRS in 2009, then kept constant for 5 years or more (unobserved after 2014). High amplitude variability also suggested based on USNO-B1.0 (B1mag= 20.69; B2mag= 16.41). J-K= 1.56, BP-G= 1.93.
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References
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1 Tisserand, P.; Clayton, G. C.; Bessell, M. S.; et al., 2020, A plethora of
new R Coronae Borealis stars discovered from a dedicated spectroscopic
follow-up survey
2020A&A...635A..14T
2 Chambers, K. C.; et al., 2016,The Pan-STARRS1 Surveys 2016arXiv161205560C
3 Tisserand, P., 2012, Tracking down R Coronae Borealis stars from their
mid-infrared WISE colours
2012A&A...539A..51T
External Links
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Images
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Supporting Documents
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2 Images (PANSTARRS) Murawski, Gabriel 2019-02-12 06:30 UTC PANSTARRS images with g and r band showing variability. Target is in the center of images.
1 JD plot (PANSTARRS) Murawski, Gabriel 2019-02-12 06:22 UTC JD light curve with PANSTARRS data (original magnitudes)
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Revision History
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2 Otero, Sebastian Alberto 2020-06-10 02:46 UTC Reference to 2020A&A...635A..14T added. Gaia DR2 position.
1 Murawski, Gabriel 2019-02-14 19:05 UTC Gaia DR2 position.