16409+2157 HO 553 (HD 150554)

 
 
16h 40m 56.50s +21° 56' 53.3" P.A. 184.00 sep 12.0 mag 7.74,12.40 Sp F8 dist. 45.64 pc (148.88 l.y.)
 
 
Coord 2000 16409+2157 Discov num HO  553 Comp Coord arcsec 2000 16 40 56.50 +21 56 53.3
Date first 1897 Date last 2017 Obs 15
Pa first 182 Pa last 184.2 P.A. Now (θ) 184.2°
Sep first 11.8 Sep last 11.97 Sep. Now (ρ) 11.97"
Mag pri 7.74 Mag sec 12.40 delta mag (ΔM) 4.66 Spectral class F8 (yellow-white)
Pri motion ra -092 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150554 Constellation Hercules SAO 84534 HIP 81662
Tycho2 1532-00975-1 Gaia DR2 4564397470723536512 HD 150554 BD BD+22 3002
Distance 45.64 Distance ly 148.88