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20113+3736
ALI 658

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20113+3736 ALI 658

20^h 11^m 19.29^s +37° 36' 23.5" P.A. 14.00 sep 8.7 mag 11.70,12.60

Coord 2000	20113+3736		Discov num	ALI 658		Comp			Coord arcsec 2000	20 11 19.29 +37 36 23.5
Date first	1929		Date last	2015		Obs	10
Pa first	16		Pa last	14		P.A. Now (θ)	14°
Sep first	8.4		Sep last	8.7		Sep. Now (ρ)	8.7"
Mag pri	11.70		Mag sec	12.60		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	-006		Sec motion ra	+004
Pri motion dec	-008		Sec motion dec	-001
Notes

rPM=1.221

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	14.1		Precise sep	8.746		Constellation	Cygnus		SAO	69570
Gaia DR2	2060809150711438336

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20113+3736	ALI 658		1998	3	14	8.7	11.70	12.60		D	201119.29+373623.5
20113+3736	ALI 658		2002	4	14	8.7	11.70	12.60		D	201119.29+373623.5
20113+3736	ALI 658		2010	5	14	8.5	11.70	12.60			201119.29+373623.5
20113+3736	ALI 658		2015	6	14	8.7	11.70	12.60			201119.29+373623.5

If you need more information about this double, apply for a data request form to the WDS.