20354+6454 OSO 127AF

Coord 2000	20354+6454		Discov num	OSO 127		Comp	AF		Coord arcsec 2000	20 35 29.53 +64 53 49.4
Date first	1994		Date last	2015		Obs	17
Pa first	302		Pa last	288		P.A. Now (θ)	288°
Sep first	21.9		Sep last	24.3		Sep. Now (ρ)	24.3"
Mag pri	13.75		Mag sec	14.80		delta mag (ΔM)	1.05		Spectral class
Pri motion ra	+219		Sec motion ra	+000
Pri motion dec	+210		Sec motion dec	+010
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.977 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20354+6454	OSO 127	AB	1995	1995	1	27	6.5	13.75	19.50	5.75
Show			20354+6454	OSO 127	AC	1994	2000	4	66	5.5	13.75	18.70	4.95
Show			20354+6454	OSO 127	AD	1994	2015	14	225	18.5	13.75	18.50	4.75
Show			20354+6454	OSO 127	AE	1994	2015	14	267	20.2	13.75	18.20	4.45
Show			20354+6454	OSO 127	AF	1994	2015	17	288	24.3	13.75	14.80	1.05		<===
Show			20354+6454	GIC 165	AG	1952	2015	22	301	29.6	13.75	14.43	0.68

Septuple system
7 visible stars in this system

Precise pa

287.6

Precise sep

24.3

Constellation

Cepheus

Gaia DR2

78339087360

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20354+6454	OSO 127	AF	2000	4	297	22.5	13.75	14.80		D	203529.53+645349.4
20354+6454	OSO 127	AF	2003	5	295	22.9	13.75	14.80		N D	203529.53+645349.4
20354+6454	OSO 127	AF	2015	17	288	24.3	13.75	14.80		N	203529.53+645349.4

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