21182+3035 POP 228 AC

 
 
21h 18m 10.88s +30° 35' 21.6" P.A. 139.00 sep 9.0 mag 8.13,13.60 Sp A5V dist. 251.89 pc (821.67 l.y.)
 
 
Coord 2000 21182+3035 Discov num POP 228 Comp AC Coord arcsec 2000 21 18 10.88 +30 35 21.6
Date first 1998 Date last 2015 Obs 4
Pa first 139 Pa last 138.5 P.A. Now (θ) 138.5°
Sep first 9.0 Sep last 8.989 Sep. Now (ρ) 8.989"
Mag pri 8.13 Mag sec 13.60 delta mag (ΔM) 5.47 Spectral class A5V (white)
Pri motion ra +003 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N W (See Notes, )
Nature of this double is uncertain.
 
 
21182+3035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202924 71176 21 18 11 +30 35 22 HO 154 AB 2016 17 211 3.6 8.14 11.54 3.40
Show 71176 21 18 11 +30 35 22 POP 228 AC 2015 4 139 9.0 8.13 13.60 5.47 <===
Show 71176 21 18 11 +30 35 22 NOV 1 AD 2015 5 162 21.4 8.14 15.91 7.77
Show 71176 21 18 11 +30 35 22 POP 228 AN 2015 3 262 64.2 8.14 14.50 6.36
Show 71176 21 18 11 +30 35 22 NOV 1 AX 2015 10 142 186.7 8.14 10.74 2.60
Show 21 18 06 +30 35 13 POP 228 NK 2015 6 64 6.5 14.50 15.00 0.50
Show 21 18 20 +30 32 54 NOV 1 XL 2015 7 89 32.2 10.74 15.10 4.36
Show 21 18 20 +30 32 54 NOV 1 XQ 2015 6 134 29.2 10.74 17.30 6.56
Show 21 18 20 +30 32 54 NOV 1 XY 2015 8 206 14.1 10.74 14.40 3.66
Show 21 18 20 +30 32 54 NOV 1 XZ 2015 5 57 18.3 10.74 16.40 5.66
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 71176 HIP 105162 Tycho2 2703-01256-1
Gaia DR2 1852007631960413952 HD 202924 BD BD+29 4374 Distance 251.89
Distance ly 821.67