20310+2629 STF2692AB

Coord 2000	20310+2629		Discov num	STF2692		Comp	AB		Coord arcsec 2000	20 31 01.71 +26 28 59.8
Date first	1898		Date last	2015		Obs	11
Pa first	162		Pa last	163		P.A. Now (θ)	163°
Sep first	10.4		Sep last	10.1		Sep. Now (ρ)	10.1"
Mag pri	8.75		Mag sec	12.10		delta mag (ΔM)	3.35		Spectral class	A0 (white)
Pri motion ra	+002		Sec motion ra	+002
Pri motion dec	-004		Sec motion dec	-008
Notes

rPM=0.485 Nature of this double is uncertain.

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	163.4		Precise sep	10.086		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	AB	1999	5	163	10.2	8.75	13.30	A0	D	203100.06+262913.0
20310+2629	STF2692	AB	2012	6	163	10.2	8.75	13.30	A0	D	203100.06+262913.0
20310+2629	STF2692	AB	2015	11	163	10.1	8.75	12.10	A0		203101.71+262859.8

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