18177+0258 A 2261 AB

 
 
18h 17m 44.86s +02° 58' 13.3" P.A. 242.00 sep 2.7 mag 9.16,12.70 Sp G5
 
 
Coord 2000 18177+0258 Discov num A  2261 Comp AB Coord arcsec 2000 18 17 44.86 +02 58 13.3
Date first 1910 Date last 2016 Obs 7
Pa first 248 Pa last 241.7 P.A. Now (θ) 241.7°
Sep first 2.2 Sep last 2.65 Sep. Now (ρ) 2.65"
Mag pri 9.16 Mag sec 12.70 delta mag (ΔM) 3.54 Spectral class G5 (yellow)
Pri motion ra +023 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes Z W (Parallax indicates components are physical, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 123334 Tycho2 0436-01307-1 HD 168042
ADS 11236