18390+3501 POP  17

Coord 2000	18390+3501		Discov num	POP  17		Comp			Coord arcsec 2000	18 38 58.69 +35 02 16.8
Date first	1968		Date last	2011		Obs	10
Pa first	18		Pa last	16		P.A. Now (θ)	16°
Sep first	8.9		Sep last	8.6		Sep. Now (ρ)	8.6"
Mag pri	13.27		Mag sec	13.31		delta mag (ΔM)	0.04		Spectral class
Pri motion ra	-007		Sec motion ra	+004
Pri motion dec	-002		Sec motion dec	-009
Notes

Nature of this double is uncertain.

Constellation

Lyra

last precise pa

15.8

last precise sep

8.63

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18390+3501	POP 17		1995	6	15	8.8	14.00	14.10			183900.00+350100.0
18390+3501	POP 17		1998	7	16	8.6	13.27	13.31		D	183858.69+350216.8
18390+3501	POP 17		2002	8	16	8.6	13.27	13.31		D	183858.69+350216.8
18390+3501	POP 17		2011	9	16	8.6	13.27	13.31		D	183858.69+350216.8

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