15239+4931 HU 649
15h 23m 53.07s +49° 31' 24.0" P.A. 49.00 sep 4.5 mag 8.90,13.70 Sp F8
| Coord 2000 |
15239+4931 |
|
Discov num |
HU 649 |
|
Comp |
|
|
Coord arcsec 2000 |
15 23 53.07 +49 31 24.0 |
|
| Date first |
1904 |
|
Date last |
2019 |
|
Obs |
14 |
|
| Pa first |
50 |
|
Pa last |
49.3 |
|
P.A. Now (θ) |
49.3° |
|
| Sep first |
4.5 |
|
Sep last |
4.547 |
|
Sep. Now (ρ) |
4.547" |
|
| Mag pri |
8.90 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
4.8 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
SAO |
45520 |
|
Tycho2 |
3485-00454-1 |
|
Gaia DR2 |
1594585292441090944 |
|
| HD |
137407 |
|
