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19501+5554
STI2463

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

19501+5554 STI2463

19^h 50^m 04.85^s +55° 54' 21.4" P.A. 285.00 sep 12.1 mag 10.90,12.40

Coord 2000	19501+5554		Discov num	STI2463		Comp			Coord arcsec 2000	19 50 04.85 +55 54 21.4
Date first	1909		Date last	2015		Obs	9
Pa first	292		Pa last	285		P.A. Now (θ)	285°
Sep first	11.3		Sep last	12.1		Sep. Now (ρ)	12.1"
Mag pri	10.90		Mag sec	12.40		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	+002		Sec motion ra	-004
Pri motion dec	+009		Sec motion dec	-010
Notes

rPM=1.85

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	285.2		Precise sep	12.134		Constellation	Cygnus		SAO	32040
Tycho2	3939-00664-1		Gaia DR2	2234161035836437120

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19501+5554	STI2463		1999	2	287	12.2	10.90	12.40		D	195004.85+555421.4
19501+5554	STI2463		2003	3	286	12.2	10.90	12.40		D	195004.85+555421.4
19501+5554	STI2463		2010	4	286	12.4	10.90	12.40			195004.85+555421.4
19501+5554	STI2463		2015	5	285	12.1	10.90	12.40			195004.85+555421.4

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