20077+3709 POP 190 AB

20^h 07^m 40.47^s +37° 08' 56.6" P.A. 186.00 sep 5.6 mag 11.74,12.60 Sp F2III

Coord 2000	20077+3709		Discov num	POP 190		Comp	AB		Coord arcsec 2000	20 07 40.47 +37 08 56.6
Date first	1985		Date last	2015		Obs	8
Pa first	189		Pa last	185.6		P.A. Now (θ)	185.6°
Sep first	4.9		Sep last	5.592		Sep. Now (ρ)	5.592"
Mag pri	11.74		Mag sec	12.60		delta mag (ΔM)	0.86		Spectral class	F2III (yellow-white)
Pri motion ra	-002		Sec motion ra	-014
Pri motion dec	-007		Sec motion dec	-049
Notes

rPM=0.857

This double is not physical.

20077+3709 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 07 40 +37 08 57	POP 190 AB	2015	8	186	5.6	11.74	12.60	0.86		<===
Show			20 07 40 +37 08 57	POP 190 AC	2015	4	230	40.8	11.74	12.70	0.96
Show			20 07 38 +37 08 30	POP 190 CD	2015	4	310	4.4	12.70	14.20	1.50

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2683-01251-1

Gaia DR2

2060030039314982272