20169+1303 ABH 137 AF

Coord 2000	20169+1303		Discov num	ABH 137		Comp	AF		Coord arcsec 2000	20 16 56.72 +13 02 42.6
Date first	1987		Date last	2015		Obs	10
Pa first	38		Pa last	37.9		P.A. Now (θ)	37.9°
Sep first	82.0		Sep last	81.757		Sep. Now (ρ)	81.757"
Mag pri	11.83		Mag sec	15.60		delta mag (ΔM)	3.77		Spectral class	G8IIIb (yellow)
Pri motion ra	+002		Sec motion ra	+004
Pri motion dec	+001		Sec motion dec	-005
Notes	U (Proper motion indicates non-physical)

rPM=0.988 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 +13 02 43	J 1879 AB	2016	14	233	11.4	11.83	11.95	0.12
Show			20 16 57 +13 02 43	J 1879 AC	2016	11	272	13.7	11.83	14.00	2.17
Show			20 16 57 +13 02 43	ABH 137 AD	2015	10	43	25.6	11.83	15.70	3.87
Show			20 16 57 +13 02 43	ABH 137 AE	2015	10	289	86.0	11.83	13.91	2.08
Show			20 16 57 +13 02 43	ABH 137 AF	2015	10	38	81.8	11.83	15.60	3.77		<===
Show			20 16 57 +13 02 43	ABH 137 AG	2015	10	112	118.0	11.83	15.13	3.30

Septuple system
7 estimated visually detectable stars in this system

Constellation

Delphinus

Gaia DR2

1803295242462462080