20169+1506 CHE 268AB

Coord 2000	20169+1506		Discov num	CHE 268		Comp	AB		Coord arcsec 2000	20 16 56.66 +15 05 34.6
Date first	1910		Date last	2015		Obs	11
Pa first	214		Pa last	213		P.A. Now (θ)	213°
Sep first	8.4		Sep last	10.2		Sep. Now (ρ)	10.2"
Mag pri	12.20		Mag sec	12.30		delta mag (ΔM)	0.1		Spectral class	F4V (yellow-white)
Pri motion ra	+016		Sec motion ra	+011
Pri motion dec	+004		Sec motion dec	+008
Notes	U R (Proper motion indicates non-physical, Red magnitudes)

rPM=0.388 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 16 57 +15 05 35	CHE 268 AB	2015	11	213	10.2	12.20	12.30	0.10		<===
Show			20 16 57 +15 05 35	CHE 268 AC	2015	9	337	21.4	12.20	12.49	0.29
Show			20 16 57 +15 05 35	ABH 136 AD	2015	10	281	39.7	12.20	13.86	1.66
Show			20 16 57 +15 05 35	ABH 136 AE	2015	9	231	74.0	12.20	15.80	3.60
Show			20 16 57 +15 05 35	ABH 136 AF	2015	7	217	52.4	12.20	14.80	2.60
Show			20 16 57 +15 05 35	ABH 136 AG	2015	9	212	51.0	12.20	14.70	2.50
Show			20 16 57 +15 05 35	ABH 136 AH	2015	9	190	55.4	12.20	14.50	2.30
Show			20 16 57 +15 05 35	ABH 136 AI	2015	9	181	67.9	12.20	15.40	3.20
Show			20 16 57 +15 05 35	ABH 136 AJ	2015	10	57	93.0	12.20	15.30	3.10
Show			20 16 57 +15 05 35	ABH 136 AK	2015	10	65	103.2	12.20	15.80	3.60
Show			20 16 57 +15 05 35	ABH 136 AL	2015	10	64	125.3	12.20	15.80	3.60
Show			20 16 56 +15 05 26	CHE 268 BC	2015	9	354	28.4	12.30	12.49	0.19

12-fold system
12 visible stars in this system

Precise pa

213.1

Precise sep

10.176

Constellation

Delphinus

Gaia DR2

1808244384820097408

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20169+1506	CHE 268	AB	1998	4	213	9.9	9.91	11.00	F4V	D	201656.66+150534.6
20169+1506	CHE 268	AB	2008	5	213	10.1	9.91	11.00	F4V	D	201656.66+150534.6
20169+1506	CHE 268	AB	2015	7	213	10.2	12.20	12.30	F4V	U R	201656.66+150534.6

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