17181+2742 A 231

17h 18m 07.35s +27° 42' 27.8" P.A. 106.00 sep 1.9 mag 9.55,14.10 Sp G5

Coord 2000 17181+2742 Discov num A   231 Comp Coord arcsec 2000 17 18 07.35 +27 42 27.8
Date first 1901 Date last 2016 Obs 5
Pa first 114 Pa last 105.5 P.A. Now (θ) 105.5°
Sep first 1.8 Sep last 1.942 Sep. Now (ρ) 1.942"
Mag pri 9.55 Mag sec 14.10 delta mag (ΔM) 4.55 Spectral class G5 (yellow)
Pri motion ra -041 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Tycho2 2069-00388-1 Gaia DR2 4574382513773049984 ADS 10457