VSX : Detail for IRAS 20158+3707

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Latest Details

Name

IRAS 20158+3707

AAVSO UID

000-BNK-503 (No observations)

Constellation

Cygnus

Sequence

J2000.0

20 17 41.24 +37 16 43.3 (304.42183 +37.27869)

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B1950.0

20 15 49.47 +37 07 20.1

Galactic coord.

75.191 +0.913

Other names

(Internal only)

2MASS J20174124+3716432	CGCS 4799	Gaia DR2 2060644670631762048
UCAC4 637-091927	USNO-B1.0 1272-0504385

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Variability type

SRB

Spectral type

Mag. range

16.4 - 17.5: V

Discoverer

Adam Derdzikowski

Epoch

24 Nov 2013 (HJD 2456621)

Ephemeris

Outburst

Period

233 d

Rise/eclipse dur.

Remarks

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Derdzikowski, Adam

Other period: 179d. J-K: 2.69. ASAS-SN magnitudes contaminated by 2MASS J20174074+3716430 (V= 16.4; sep. 6"). Range has been corrected. Amplitude of brightness changes from ZTF data (r): 14.12 - 14.50.

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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	Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae (ASAS-SN) Light Curve Server v1.0	2017PASP..129j4502K
3	Alksnis, A.; et al., 2001, General Catalog of Galactic Carbon Stars by C. B. Stephenson. Third Edition	2001BaltA..10....1A

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	20 17 41.24 +37 16 43.3 (J2000)
Source	STScI
Survey	Red, all sky, 1.0 arcsec/pixel
	Negative

Supporting Documents

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2	JD plot	Derdzikowski, Adam	2020-01-23 21:09 UTC	Plot using ZTF and ASAS-SN data
1	Phase plot	Derdzikowski, Adam	2020-01-23 21:07 UTC	Phase plot using ZTF and ASAS-SN data