VSX : Detail for Romanov V57

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Name

Romanov V57

AAVSO UID

000-BPQ-375 (75 observations)

Constellation

Cygnus

Sequence

J2000.0

21 12 03.49 +41 43 38.0 (318.01454 +41.72722)

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B1950.0

21 10 09.66 +41 31 15.8

Galactic coord.

85.190 -4.528

Other names

(Internal only)

GSC2 N31N283331

IGAPS J211203.50+414338.1

IPHAS J211203.50+414338.2

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Variability type

Spectral type

Mag. range

19.3 - 19.9 z

Discoverer

Filipp Romanov

Epoch

25 Jun 2020 (HJD 2459025.833)

Outburst

Period

Rise/eclipse dur.

Remarks

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Romanov, Filipp

r-i= 1.57 (IPHAS DR2) and 1.35 (Pan-STARRS1); g-r= 1.5 (IGAPS). Also an eclipse in ZTF data (range 21.0 - 21.6 r).

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References

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1	Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing, Products, and Archive	2019PASP..131a8003M
2	Steele, I. A.; et al., 2004, The Liverpool Telescope: performance and first results	2004SPIE.5489..679S

External Links

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Location

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Images

Please review Digitized Sky Survey Acknowledgment and Copyright.

Size	5' x 5' (297 x 298 pixels)
Center	21 12 03.49 +41 43 38.0 (J2000)
Source	STScI
Survey	Red, all sky, 1.0 arcsec/pixel
	Negative

Supporting Documents

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2	ZTF DR17 r-band light curve	Romanov, Filipp	2023-07-01 12:07 UTC
1	Light curve based on images from the Liverpool Telescope	Romanov, Filipp	2023-07-01 03:02 UTC	Possible eclipse was detected on July 19, 2021, from 00:37:26 to 01:27:53 UT, in the images obtained at the Liverpool Telescope (PI: Filipp Romanov; PATAG proposal AL21A01); compared to z magnitudes of the nearby stars from the Pan-STARRS 1 catalogue.