16421+2151 HU 487 (HD 150731)
16h 42m 05.79s +21° 51' 29.4" P.A. 96.00 sep 0.2 mag 9.90,9.90 Sp F8
| Coord 2000 |
16421+2151 |
|
Discov num |
HU 487 |
|
Comp |
|
|
Coord arcsec 2000 |
16 42 05.79 +21 51 29.4 |
|
| Date first |
1902 |
|
Date last |
2016 |
|
Obs |
53 |
|
| Pa first |
26 |
|
Pa last |
95.8 |
|
P.A. Now (θ) |
95.8° |
|
| Sep first |
0.5 |
|
Sep last |
0.205 |
|
Sep. Now (ρ) |
0.205" |
|
| Mag pri |
9.90 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
|
|
| Pri motion dec |
+017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 150731 |
|
Constellation |
Hercules |
|
SAO |
84547 |
|
Tycho2 |
1532-01226-1 |
|
| Gaia DR2 |
4565881777060622976 |
|
HD |
150731 |
|
