15572+0324 STF 1987 (HD 142930)

15h 57m 14.92s +03° 24' 19.2" P.A. 321.00 sep 10.6 mag 7.31,8.71 Sp A0V+B6V dist. 140.65 pc (458.8 l.y.)

Coord 2000 15572+0324 Discov num STF1987 Comp Coord arcsec 2000 15 57 14.92 +03 24 19.2
Date first 1783 Date last 2017 Obs 63
Pa first 320 Pa last 321.2 P.A. Now (θ) 321.2°
Sep first 12.5 Sep last 10.56 Sep. Now (ρ) 10.56"
Mag pri 7.31 Mag sec 8.71 delta mag (ΔM) 1.4 Spectral class A0V+B6V (white/blue-white)
Pri motion ra -026 Sec motion ra -026
Pri motion dec +009 Sec motion dec +011
Notes N T (See Notes, Parallax indicates physical)




rPM=0.071 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 142930 Constellation Serpens SAO 121277 HIP 78131
Tycho2 0357-01060-1 Gaia DR2 4425002520426044032 HD 142930 GC 21419
ADS 9855 BD BD+03 3104 Distance 140.65 Distance ly 458.8