09300+4216 A 1985 (HD 81939)
09h 30m 01.97s +42° 15' 49.8" P.A. 23.00 sep 1.7 mag 8.68,8.72 Sp F5 dist. 135.32 pc (441.41 l.y.)
Coord 2000 |
09300+4216 |
|
Discov num |
A 1985 |
|
Comp |
|
|
Coord arcsec 2000 |
09 30 01.97 +42 15 49.8 |
|
Date first |
1909 |
|
Date last |
2017 |
|
Obs |
57 |
|
Pa first |
35 |
|
Pa last |
23.2 |
|
P.A. Now (θ) |
23.2° |
|
Sep first |
0.8 |
|
Sep last |
1.67 |
|
Sep. Now (ρ) |
1.67" |
|
Mag pri |
8.68 |
|
Mag sec |
8.72 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-029 |
|
Sec motion ra |
-029 |
|
Pri motion dec |
-039 |
|
Sec motion dec |
-039 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 81939 |
|
Constellation |
Ursa Major |
|
SAO |
42893 |
|
HIP |
46587 |
|
Tycho2 |
2994-01075-1 |
|
Gaia DR2 |
814295906349971200 |
|
HD |
81939 |
|
BD |
BD+42 2016 |
|
Distance |
135.32 |
|
Distance ly |
441.41 |
|