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20283+0351
BAL2533

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

20283+0351 BAL2533

20^h 28^m 15.26^s +03° 50' 36.5" P.A. 256.00 sep 19.0 mag 11.63,12.20

Coord 2000	20283+0351		Discov num	BAL2533		Comp			Coord arcsec 2000	20 28 15.26 +03 50 36.5
Date first	1910		Date last	2014		Obs	10
Pa first	257		Pa last	256		P.A. Now (θ)	256°
Sep first	18.8		Sep last	19.0		Sep. Now (ρ)	19"
Mag pri	11.63		Mag sec	12.20		delta mag (ΔM)	0.57		Spectral class
Pri motion ra	-001		Sec motion ra	-004
Pri motion dec	-008		Sec motion dec	-015
Notes

rPM=0.491

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	256		Precise sep	19.024		Constellation	Delphinus		Tycho2	0505-01784-1
Gaia DR2	4244908528751276928

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20283+0351	BAL2533		2000	4	256	19.0	11.63	12.20		D	202815.26+035036.5
20283+0351	BAL2533		2002	6	256	19.0	11.63	12.20		D	202815.26+035036.5
20283+0351	BAL2533		2010	7	256	19.1	11.63	12.20			202815.26+035036.5
20283+0351	BAL2533		2014	10	256	19.0	11.63	12.20			202815.26+035036.5

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