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Name
  ATO J305.4152+29.3031  
AAVSO UID
000-BPB-824 (59 observations)  
Constellation
Vulpecula Sequence
J2000.0
20 21 39.65 +29 18 11.4  (305.41521 +29.30317) Search nearby
B1950.0 20 19 36.48 +29 08 34.3
Galactic coord. 69.071 -4.274
Other names

(Internal only)
2MASS J20213964+2918113 ASASSN-V J202139.65+291811.4 IPHAS J202139.66+291811.5
UCAC4 597-110432 USNO-A2.0 1125-15741645 USNO-B1.0 1193-0474089
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Variability type
DSCT
Spectral type --
Mag. range
12.84 - 12.97 V
Discoverer A. N. Heinze et al. (ATLAS)
Epoch
08 Sep 2016 (HJD 2457639.836) Ephemeris
Outburst --
Period 0.1772227 d  (4.25334 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period 0.1386966 d. Period ratio 0.7826. Small amplitude, symmetric light curve and large period ratio suggest it is a multiperiodic DSCT rather than a HADS(B).
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References
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1 Heinze, A. N.; et al., 2018, A First Catalog of Variable Stars Measured by
the Asteroid Terrestrial-impact Last Alert System (ATLAS)		 2018AJ....156..241H
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017PASP..129j4502K
External Links
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Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2022-03-06 05:24 UTC Phase plot of the main period with ASAS-SN data.
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Revision History
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1 Otero, Sebastian Alberto 2022-03-06 05:28 UTC Type, period, epoch and range from ASAS-SN data. Gaia EDR3 position.

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