21007+3353 OSO 138 AH

 
 
21h 00m 43.26s +33° 53' 20.8" P.A. 166.00 sep 19.1 mag 9.75,15.00 Sp G5
 
 
Coord 2000 21007+3353 Discov num OSO 138 Comp AH Coord arcsec 2000 21 00 43.26 +33 53 20.8
Date first 1994 Date last 2002 Obs 4
Pa first 168 Pa last 166.1 P.A. Now (θ) 166.1°
Sep first 21.7 Sep last 19.066 Sep. Now (ρ) 19.066"
Mag pri 9.75 Mag sec 15.00 delta mag (ΔM) 5.25 Spectral class G5 (yellow)
Pri motion ra -003 Sec motion ra
Pri motion dec -320 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21007+3353 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 00 43 +33 53 21 BUP 222 AB 2015 9 317 12.5 9.75 13.40 3.65
Show 21 00 43 +33 53 21 BUP 222 AC 2006 8 5 118.0 9.75 11.97 2.22
Show 21 00 43 +33 53 21 BUP 222 AD 2015 9 268 18.1 9.75 13.00 3.25
Show 21 00 43 +33 53 21 BUP 222 AE 2002 5 89 813.7 9.75 9.84 0.09
Show 21 00 43 +33 53 21 OSO 138 AH 2002 4 166 19.1 9.75 15.00 5.25 <===
Show 21 00 43 +33 53 21 OSO 138 AI 2015 7 121 31.9 9.75 14.10 4.35
Show 21 00 43 +33 53 21 BUP 222 AJ 2015 6 271 944.5 9.75 9.41 0.34
Show 21 00 43 +33 53 21 ACA 9 AK 2012 4 50 59.5 9.75 13.98 4.23
Show 21 00 43 +33 53 21 ACA 9 AL 2006 3 311 69.2 9.75 13.52 3.77
Show 21 00 43 +33 53 21 ACA 9 AM 2006 3 200 80.8 9.75 14.00 4.25
Show 21 00 43 +33 53 21 FYM 196 AN 2015 4 93 23.6 9.75 14.86 5.11
Show 21 00 43 +33 53 21 FYM 196 AO 2013 2 346 10.4 9.75 16.00 6.25
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2709-00006-1 Gaia DR2 1866300080539061760