20470+3156 GYL 71

Coord 2000	20470+3156		Discov num	GYL  71		Comp			Coord arcsec 2000	20 46 58.78 +31 56 09.5
Date first	1893		Date last	2015		Obs	11
Pa first	45		Pa last	46.1		P.A. Now (θ)	46.1°
Sep first	23.3		Sep last	24.429		Sep. Now (ρ)	24.429"
Mag pri	11.06		Mag sec	13.10		delta mag (ΔM)	2.04		Spectral class
Pri motion ra	-006		Sec motion ra	-001
Pri motion dec	-010		Sec motion dec	-004
Notes

rPM=0.67 Nature of this double is uncertain.

Constellation

Cygnus

Tycho2

2691-01625-1

Gaia DR2

1859922397703614592

No records found.

refcode	metd	author	reference
Gyl1958	Pa j	Goyal, A.N.	1958AJ.....63..147G
Gyl1958		AJ 63, 147, 1958
Gyl1962	Pa j	Goyal, A.N.	1962MNRAS.123..413G
Gyl1962		MNRAS 123, 413, 1962
Gyl1964	Pa j	Goyal, A.N.	1964MNRAS.127..215G
Gyl1964		MNRAS 127, 215, 1964
Gyl1966	Pa j	Goyal, A.N.	1966MNRAS.133...15G
Gyl1966		MNRAS 133, 15, 1966
Gyl1968	Pa j	Goyal, A.N.	1968AJ.....73..366G
Gyl1968		AJ 73, 366, 1968
Gyl1970	Pa j	Goyal, A.N.	1970MNRAS.150..235G
Gyl1970		MNRAS 150, 235, 1970

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20470+3156	GYL 71		2006	5	47	24.8	11.06	13.10		D	204658.78+315609.5
20470+3156	GYL 71		2010	7	47	23.6	11.06	13.10			204658.78+315609.5
20470+3156	GYL 71		2015	8	46	24.4	11.06	13.10			204658.78+315609.5

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No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS