21445+1446 LUH 4 AB (HN Peg)

Coord 2000	21445+1446		Discov num	LUH   4		Comp	AB		Coord arcsec 2000	21 44 31.33 +14 46 18.9
Date first	1998		Date last	2004		Obs	2
Pa first	255		Pa last	254.4		P.A. Now (θ)	254.4°
Sep first	42.7		Sep last	43.2		Sep. Now (ρ)	43.2"
Mag pri	4.60		Mag sec	15.10		delta mag (ΔM)	10.5		Spectral class	G0V+T2.5 (yellow/brown dwarf)
Pri motion ra	+232		Sec motion ra	+230
Pri motion dec	-114		Sec motion dec	-111
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes rPM=0.014 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HN Peg	107364	21 44 31 +14 46 19	LUH 4 AB	2004	2	254	43.2	4.60	15.10	10.50		<===
Show			21 44 31 +14 46 19	LAF 66 AC	2011	2	35	3.0	4.60	20.70	16.10

Triple system
3 estimated visually detectable stars in this system

Var name	HN Peg		Constellation	Pegasus		SAO	107364		HIP	107350
Tycho2	1133-01258-1		Gaia DR2	1772187382746856320		HD	206860		HR	8314
GL	Gl 836.7		BD	BD+14 4668		FK5	3737		Distance	17.89
Distance ly	58.36