20129+2913 HJ 1492A,BC

Coord 2000	20129+2913		Discov num	HJ 1492		Comp	A,BC		Coord arcsec 2000	20 12 55.23 +29 12 31.8
Date first	1828		Date last	2018		Obs	21
Pa first	59		Pa last	54		P.A. Now (θ)	54°
Sep first	15.0		Sep last	18.7		Sep. Now (ρ)	18.7"
Mag pri	10.28		Mag sec	10.54		delta mag (ΔM)	0.26		Spectral class	A2 (white)
Pri motion ra	+005		Sec motion ra	+005
Pri motion dec	-005		Sec motion dec	-003
Notes

rPM=0.283 (< 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		88359	20129+2913	HJ 1492	A,BC	1828	2018	21	54	18.7	10.28	10.54	0.26		<===
Show		88359	20129+2913	A 1203	BC	1905	2007	5	355	0.4	11.00	11.80	0.80

Triple system
4 visible stars in this system

Precise pa	54.1		Precise sep	18.74		Constellation	Vulpecula		SAO	88359
Tycho2	2166-00428-1		Gaia DR2	22397217920		HD	333850

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20129+2913	HJ 1492	A,BC	2005	15	54	18.3	10.28	10.54	A2	D	201255.23+291231.8
20129+2913	HJ 1492	A,BC	2018	17	54	18.7	10.28	10.54	A2		201255.23+291231.8

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