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Name
DDE 163
AAVSO UID
Constellation
J2000.0
B1950.0
18 48 09.19 +24 18 46.5
Galactic coord.
54.772 +11.097
Other names
(Internal only)
1RXS J185013.9+242222
2MASS J18501337+2422201
2RXS J185013.7+242221
URAT1 572-281370
USNO-A2.0 1125-10499008
USNO-B1.0 1143-0315650
WISE J185013.38+242220.5
ZTF18abikbmj
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Variability type
UG
Spectral type
--
Mag. range
13.8 - 18.3 V
Discoverer
B. Sesar et al. (Pan-STARRS), D. Denisenko
Epoch
Outburst
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Period
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Rise/eclipse dur.
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Remarks
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1
Denisenko, Denis
Gaia parallax 3.10+/-0.12 mas (distance 320+/-10 pc). Outburst on 2015 Feb. 17-20 in ASAS-SN light curve. ASAS-SN data contaminated by nearby companions. Maximum magnitude has been corrected.
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References
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1
D. Denisenko, 2021, vsnet-alert #25434
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2
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae (ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3
Sesar, B.; et al., 2017, Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample
2017AJ....153..204S
4
Voges, W.; et al., 1999, ROSAT All-Sky Bright Source Catalogue (1RXS)
1999A&A...349..389V
5
Voges, W.; et al., 1999, ROSAT All-Sky Bright Source Catalogue (1RXS)
1999A&A...349..389V
6
ZTF light curve (Lasair online data)
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Location
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Supporting Documents
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Revision History
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2
Otero, Sebastian Alberto
2021-02-23 00:48 UTC
Type from vsnet-alert 25434. Minimum magnitude derived from ZTF (Lasair) data.
1
Denisenko, Denis
2019-03-09 00:11 UTC
Maximum magnitude from ASAS-SN. Minimum magnitude derived from Pan-STARRS1. Gaia DR2 position.