19517+2223 CHE 171

Coord 2000	19517+2223		Discov num	CHE 171		Comp			Coord arcsec 2000	19 51 22.02 +22 22 02.7
Date first	1907		Date last	2015		Obs	8
Pa first	27		Pa last	24		P.A. Now (θ)	24°
Sep first	21.7		Sep last	21.1		Sep. Now (ρ)	21.1"
Mag pri	12.50		Mag sec	13.10		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	+010		Sec motion ra	+011
Pri motion dec	-007		Sec motion dec	-001
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.498 Nature of this double is uncertain.

Precise pa

23.9

Precise sep

21.056

Constellation

Vulpecula

Gaia DR2

11317125888

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19517+2223	CHE 171		1907	1	153	21.7	11.60	12.40			195140.09+222309.0
19517+2223	CHE 171		2000	2	24	21.2	12.50	13.10		N	195122.02+222202.7
19517+2223	CHE 171		2001	3	24	21.1	12.50	13.10		N	195122.02+222202.7
19517+2223	CHE 171		2010	4	24	21.1	12.50	13.10		N	195122.02+222202.7
19517+2223	CHE 171		2015	5	24	21.1	12.50	13.10		N	195122.02+222202.7

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