Coord 2000 | 17377-2102 | Discov num | DON 852 | Comp | Coord arcsec 2000 | 17 37 39.46 -21 02 21.7 | |||||
Date first | 1931 | Date last | 2015 | Obs | 5 | ||||||
Pa first | 38 | Pa last | 38.3 | P.A. Now (θ) | 38.3° | ||||||
Sep first | 1.7 | Sep last | 2.181 | Sep. Now (ρ) | 2.181" | ||||||
Mag pri | 9.83 | Mag sec | 11.90 | delta mag (ΔM) | 2.07 | Spectral class | A0II/III (white) | ||||
Pri motion ra | +006 | Sec motion ra | |||||||||
Pri motion dec | -002 | Sec motion dec | |||||||||
Notes | S (Parallax indidates non-physical) |
Name | HD 159841 | Constellation | Ophiuchus | SAO | 185563 | Tycho2 | 6260-01873-1 | ||||
Gaia DR2 | 4118099241514157312 | HD | 159841 |