VSX : Detail for KaiV87

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Name

KaiV87

AAVSO UID

000-BPJ-726 (1 observation)

Constellation

Cygnus

Sequence

J2000.0

21 12 30.96 +48 09 40.7 (318.12900 +48.16131)

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B1950.0

21 10 47.08 +47 57 16.9

Galactic coord.

89.935 -0.176

Other names

(Internal only)

2MASS J21123096+4809407

UCAC4 691-091054

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Variability type

Spectral type

Mag. range

15.30 - 15.75 V

Discoverer

Kiyoshi Kasai

Epoch

26 Aug 2019 (HJD 2458722.497)

Ephemeris

Outburst

Period

4.77958 d

Rise/eclipse dur.

3% (3.4 h)

Remarks

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Kasai, Kiyoshi

Eccentric system. Min II = 15.37 V at phase 0.473.

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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	Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10	2018AAS...23222306H

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 30.96 +48 09 40.7 (J2000)
Source	STScI
Survey	Red, all sky, 1.0 arcsec/pixel
	Negative

Supporting Documents

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Phase plot of KaiV87

Kasai, Kiyoshi

2022-05-19 14:29 UTC

Phase plot with data from APASS (V mag. mag.offset = 0.0), ZTF (r mag. mag. offset = +0.42), ZTF (g mag. mag. offset = -0.46) and Kasai (V mag. mag. offset = 0.0)

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Revision History

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