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) |
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 |