20310+2629 STF2692AC

Coord 2000	20310+2629		Discov num	STF2692		Comp	AC		Coord arcsec 2000	20 31 01.71 +26 28 59.8
Date first	1831		Date last	2015		Obs	24
Pa first	302		Pa last	301		P.A. Now (θ)	301°
Sep first	25.7		Sep last	25.8		Sep. Now (ρ)	25.8"
Mag pri	8.75		Mag sec	9.59		delta mag (ΔM)	0.84		Spectral class	A0 (white)
Pri motion ra	+002		Sec motion ra	+002
Pri motion dec	-004		Sec motion dec	-005
Notes

rPM=0.186 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88789	20310+2629	STF2692	AB	1898	2015	11	163	10.1	8.75	12.10	3.35
Show		88789	20310+2629	STF2692	AC	1831	2015	24	301	25.8	8.75	9.59	0.84		<===
Show		88789	20310+2629	FYM 62	AD	1999	2015	7	57	28.0	8.75	15.10	6.35

Quadruple system
4 visible stars in this system

Precise pa	300.8		Precise sep	25.806		Constellation	Vulpecula		SAO	88789
HIP	101216		Tycho2	2165-00834-1		Gaia DR2	59129988224		HD	195532
BD	BD+25 4268		Distance	1162.79		Distance ly	3793.02

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20310+2629	STF2692	AC	2006	17	302	26.2	8.75	9.59	A0		203100.06+262913.0
20310+2629	STF2692	AC	2012	18	302	26.2	8.75	9.59	A0		203100.06+262913.0
20310+2629	STF2692	AC	2015	24	301	25.8	8.75	9.59	A0		203101.71+262859.8

If you need more information about this double, apply for a data request form to the WDS.