21377+0637 STFA 56 AB (3 Peg)

21^h 37^m 43.64^s +06° 37' 06.2" P.A. 349.00 sep 38.7 mag 6.18,7.50 Sp A2V dist. 145.35 pc (474.13 l.y.)

Coord 2000	21377+0637	Discov num	STFA 56	Comp	AB	Coord arcsec 2000	21 37 43.64 +06 37 06.2
Date first	1782	Date last	2020	Obs	79
Pa first	353	Pa last	348.6	P.A. Now (θ)	348.6°
Sep first	34.7	Sep last	38.7	Sep. Now (ρ)	38.7"
Mag pri	6.18	Mag sec	7.50	delta mag (ΔM)	1.32	Spectral class	A2V (white)
Pri motion ra	+058	Sec motion ra	+056
Pri motion dec	-002	Sec motion dec	-001
Notes	N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)

rPM=0.039 (< 0.3, Physical double)

This double is physical.

21377+0637 SYSTEM COMPONENTS

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS