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20044+2501
POU4202

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

20044+2501 POU4202

20^h 04^m 24.67^s +25° 00' 44.6" P.A. 286.00 sep 15.1 mag 12.50,13.70

Coord 2000	20044+2501		Discov num	POU4202		Comp			Coord arcsec 2000	20 04 24.67 +25 00 44.6
Date first	1898		Date last	2015		Obs	11
Pa first	285		Pa last	286		P.A. Now (θ)	286°
Sep first	15.4		Sep last	15.1		Sep. Now (ρ)	15.1"
Mag pri	12.50		Mag sec	13.70		delta mag (ΔM)	1.2		Spectral class
Pri motion ra	-008		Sec motion ra	-009
Pri motion dec	-013		Sec motion dec	-013
Notes

rPM=0.063 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	286.1		Precise sep	15.137		Constellation	Vulpecula		SAO	88151
Gaia DR2	1834669772400912384

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20044+2501	POU4202		1997	2	286	15.2	12.50	13.70		D	200424.67+250044.6
20044+2501	POU4202		2009	3	286	15.3	12.50	13.70		D	200424.67+250044.6
20044+2501	POU4202		2010	6	286	15.0	12.50	13.70			200424.67+250044.6
20044+2501	POU4202		2015	7	286	15.1	12.50	13.70			200424.67+250044.6

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