20336+2111 HJ 2979AC

Coord 2000	20336+2111		Discov num	HJ 2979		Comp	AC		Coord arcsec 2000	20 33 38.98 +21 10 27.7
Date first	1916		Date last	2015		Obs	11
Pa first	0		Pa last	354		P.A. Now (θ)	354°
Sep first	19.9		Sep last	18.9		Sep. Now (ρ)	18.9"
Mag pri	10.35		Mag sec	12.40		delta mag (ΔM)	2.05		Spectral class
Pri motion ra	+004		Sec motion ra	-023
Pri motion dec	+001		Sec motion dec	+006
Notes

rPM=1.155 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88837	20 33 39 +21 10 28	HJ 2979 AB	2015	13	63	10.4	10.35	11.30	0.95
Show		88837	20 33 39 +21 10 28	HJ 2979 AC	2015	11	354	18.9	10.35	12.40	2.05		<===

Triple system
3 visible stars in this system

Precise pa	353.9		Precise sep	18.916		Constellation	Vulpecula		SAO	88837
Tycho2	1645-01879-1		Gaia DR2	1818365836029392000		HD	346964

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20336+2111	HJ 2979	AC	2000	3	355	19.1	10.35	12.40		D	203338.98+211027.7
20336+2111	HJ 2979	AC	2011	4	354	19.0	10.35	12.40		D	203338.98+211027.7
20336+2111	HJ 2979	AC	2013	6	356	18.7	10.35	12.40			203338.98+211027.7
20336+2111	HJ 2979	AC	2015	7	354	18.9	10.35	12.40			203338.98+211027.7

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