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19425+2446
POU4018

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

19425+2446 POU4018

19^h 42^m 27.40^s +24° 46' 30.1" P.A. 40.00 sep 14.7 mag 13.45,13.34

Coord 2000	19425+2446		Discov num	POU4018		Comp			Coord arcsec 2000	19 42 27.40 +24 46 30.1
Date first	1905		Date last	2015		Obs	8
Pa first	43		Pa last	40		P.A. Now (θ)	40°
Sep first	16.5		Sep last	14.7		Sep. Now (ρ)	14.7"
Mag pri	13.45		Mag sec	13.34		delta mag (ΔM)	0.11		Spectral class
Pri motion ra	+004		Sec motion ra	+023
Pri motion dec	+003		Sec motion dec	+011
Notes

rPM=0.809

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	40.1		Precise sep	14.735		Constellation	Vulpecula		SAO	87601
Gaia DR2	2020810670049060992

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19425+2446	POU4018		1905	1	43	16.5	13.45	13.34			194227.40+244630.1
19425+2446	POU4018		2008	2	41	14.8	13.45	13.34			194227.40+244630.1
19425+2446	POU4018		2010	5	43	13.7	13.45	13.34			194227.40+244630.1
19425+2446	POU4018		2015	5	40	14.7	13.45	13.34			194227.40+244630.1

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