15261+1810 STF 1940 (HD 137557)

 
 
15h 26m 08.92s +18° 10' 16.2" P.A. 331.00 sep 0.3 mag 8.46,8.88 Sp F8 dist. 263.85 pc (860.68 l.y.)
 
 
Coord 2000 15261+1810 Discov num STF1940 Comp Coord arcsec 2000 15 26 08.92 +18 10 16.2
Date first 1830 Date last 2018 Obs 73
Pa first 326 Pa last 330.8 P.A. Now (θ) 330.8°
Sep first 1.5 Sep last 0.344 Sep. Now (ρ) 0.344"
Mag pri 8.46 Mag sec 8.88 delta mag (ΔM) 0.42 Spectral class F8 (yellow-white)
Pri motion ra +014 Sec motion ra +014
Pri motion dec -008 Sec motion dec -008
Notes L (Linear solution)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 137557 Constellation Serpens SAO 101554 HIP 75560
Tycho2 1490-00175-1 Gaia DR2 1208848889403382144 HD 137557 GC 20752
BD BD+18 3019 Distance 263.85 Distance ly 860.68