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Doubles in session

Current system

20194+2446
POU4366

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

20194+2446 POU4366

20^h 19^m 22.27^s +24° 45' 34.8" P.A. 258.00 sep 13.2 mag 11.90,13.10

Coord 2000	20194+2446		Discov num	POU4366		Comp			Coord arcsec 2000	20 19 22.27 +24 45 34.8
Date first	1898		Date last	2015		Obs	10
Pa first	261		Pa last	258		P.A. Now (θ)	258°
Sep first	13.2		Sep last	13.2		Sep. Now (ρ)	13.2"
Mag pri	11.90		Mag sec	13.10		delta mag (ΔM)	1.2		Spectral class
Pri motion ra	-001		Sec motion ra
Pri motion dec	+001		Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

258.2

Precise sep

13.156

Constellation

Vulpecula

Gaia DR2

1832185494601940352

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20194+2446	POU4366		1998	2	259	13.2	11.90	13.10		D	201922.27+244534.8
20194+2446	POU4366		2009	3	258	13.2	11.90	13.10		D	201922.27+244534.8
20194+2446	POU4366		2010	5	257	13.2	11.90	13.10			201922.27+244534.8
20194+2446	POU4366		2015	6	258	13.2	11.90	13.10			201922.27+244534.8

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