21221+1948 STFB 11 AC

 
 
21h 22m 05.13s +19° 48' 15.7" P.A. 13.00 sep 64.3 mag 4.20,12.90 Sp K1III dist. 47.78 pc (155.86 l.y.)
 
 
Coord 2000 21221+1948 Discov num STFB 11 Comp AC Coord arcsec 2000 21 22 05.13 +19 48 15.7
Date first 1912 Date last 2017 Obs 8
Pa first 20 Pa last 13 P.A. Now (θ) 13°
Sep first 75.7 Sep last 64.34 Sep. Now (ρ) 64.34"
Mag pri 4.20 Mag sec 12.90 delta mag (ΔM) 8.7 Spectral class K1III (yellow-orange)
Pri motion ra +105 Sec motion ra +003
Pri motion dec +063 Sec motion dec -017
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1.059
This double is not physical.
 
 
21221+1948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 1 Peg 107073 21 22 05 +19 48 16 STFB 11 AB 2020 85 313 36.6 4.20 9.30 5.10 Y
Show 107073 21 22 05 +19 48 16 STFB 11 AC 2017 8 13 64.3 4.20 12.90 8.70 <===
Show 107073 21 22 05 +19 48 16 TOK 9001 AD 1993 3 151 5.3 4.20 9.60 5.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 107073 HIP 105502 Tycho2 1671-00986-1
Gaia DR2 1790202365372381056 HD 203504 HR 8173 GC 29914
ADS 14909 BD BD+19 4691 Flamsteed 1 Pegasi Flamsteed name 1 Peg
FK5 804 Distance 47.78 Distance ly 155.86