21221+1948 TOK9001AD

 
 
21H 22M 05.13S +19 48' 15.7" P.A. 151 SEP 5.3 MAG 4.20,9.60 SP K0.5III DIST. 47.78 PC (155.86 L.Y.)
 
 
Coord 2000
21221+1948
Discov num
TOK9001
Comp
AD
Coord arcsec 2000
21 22 05.13 +19 48 15.7
Date first
1993
Date last
1993
Obs
3
Pa first
142
Pa last
151
P.A. Now (θ)
151°
Sep first
4.4
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
4.20
Mag sec
9.60
delta mag (ΔM)
5.4
Spectral class
K0.5III (yellow-orange)
Pri motion ra
+106
Sec motion ra
Pri motion dec
+063
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21221+1948 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 1 Peg 107073 21221+1948 STFB 11 AB 1780 2013 79 312 36.2 4.20 9.30 5.10 Y
Show 107073 21221+1948 STFB 11 AC 1912 2012 5 12 64.7 4.20 12.90 8.70
Show 107073 21221+1948 TOK9001 AD 1993 1993 3 151 5.3 4.20 9.60 5.40 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
SAO
107073
HIP
105502
Tycho2
1671-00986-1
HD
203504
HR
8173
GC
29914
BD
BD+19 4691
Flamsteed
1 Pegasi
Flamsteed name
1 Peg
Distance
47.78
Distance ly
155.86
last precise pa
150.7
last precise sep
5.31