21257+3241 GYL 55

Coord 2000	21257+3241		Discov num	GYL  55		Comp			Coord arcsec 2000	21 25 42.45 +32 40 40.3
Date first	1893		Date last	2015		Obs	8
Pa first	172		Pa last	162.8		P.A. Now (θ)	162.8°
Sep first	6.5		Sep last	5.824		Sep. Now (ρ)	5.824"
Mag pri	11.40		Mag sec	12.90		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	-015		Sec motion ra	-008
Pri motion dec	-010		Sec motion dec	+000
Notes

rPM=0.677 Nature of this double is uncertain.

Constellation

Cygnus

Tycho2

2707-01654-1

Gaia DR2

1854106359135438080

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
21257+3241	GYL 55		1998	4	165	5.9	11.40	12.90		D	212542.45+324040.3
21257+3241	GYL 55		2002	5	164	5.9	11.40	12.90		D	212542.45+324040.3
21257+3241	GYL 55		2015	6	163	5.8	11.40	12.90			212542.45+324040.3

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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