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Name
  MASTER OT J203053.79+384020.1  
AAVSO UID
000-BNF-078 (54 observations)  
Constellation
Cygnus Sequence
J2000.0
20 30 53.74 +38 40 20.3  (307.72392 +38.67231) Search nearby
B1950.0 20 29 02.32 +38 30 10.3
Galactic coord. 77.829 -0.414
Other names

(Internal only)
1RXS J203053.5+384032 2RXS J203053.4+384032 GALEX J203053.7+384020
GSC2.3 N342001896 IPHAS J203053.74+384020.3 PSO J203053.743+384020.418
UGPS J203053.75+384020.3 USNO-B1.0 1286-0413123  
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Variability type
UGSU
Spectral type --
Mag. range
14.2 - 20.0 g
Discoverer Branimir Sesar, Nina Hernitschek, Sandra Mitrovic, et al. (RR Lyr candidate); Evgenij Sergeevich Gorbovskoj, Vladimir Mikhajlovich Lipunov, Ricardo Podesta, et al. (MASTER-IAC)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Six outbursts were recorded by the ASAS-SN Sky Patrol between 2015 March 3 and 2019 July 18.
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References
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1 E. Gorbovskoy; V. Lipunov; R. Podesta; et al., 2019, ATel #12949 2019ATel12949....1G
2 T. Vanmunster, 2019, vsnet-alert #23411 --
3 Transient Name Server, 2019 (online data) --
4 I. Andreoni, 2019, GCN Circular #25108 --
5 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
6 Sesar, B.; Hernitschek, N.; Mitrović, S.; et al., 2017,
Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band
Data: The PS1 Sample
2017AJ....153..204S
External Links
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Images
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Supporting Documents
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Revision History
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2 Schmeer, Patrick 2019-07-21 02:50 UTC Type from vsnet-alert 23411.
1 Schmeer, Patrick 2019-07-19 22:47 UTC Gaia DR2 position. Type from ASAS-SN data. Maximum magnitude from ZTF data (GCN #25108). Minimum magnitude from Pan-STARRS1.