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Latest Details
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Name
  DDE 163  
AAVSO UID
000-BMZ-930 (513 observations)  
Constellation
Hercules Sequence
J2000.0
18 50 13.38 +24 22 20.0  (282.55575 +24.37222) Search nearby
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    
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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 --
Period --
Rise/eclipse dur. --
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 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 Sesar, B.; et al., 2017, Machine-learned Identification of RR Lyrae Stars
from Sparse, Multi-band Data: The PS1 Sample
2017AJ....153..204S
3 Voges, W.; et al., 1999, ROSAT All-Sky Bright Source Catalogue (1RXS) 1999A&A...349..389V
External Links
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Images
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Supporting Documents
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1 DDE 163 finder chart Denisenko, Denis 2019-03-08 10:30 UTC Color-combined (BRIR) DSS chart with 5'x5' FOV (2x zoom)
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Revision History
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1 Denisenko, Denis 2019-03-08 19:11 UTC Maximum magnitude from ASAS-SN. Minimum magnitude derived from Pan-STARRS1. Gaia DR2 position.