17212+2542 A 232 (HD 157256)
17h 21m 13.91s +25° 42' 27.4" P.A. 130.00 sep 0.4 mag 9.41,9.69 Sp F5
| Coord 2000 |
17212+2542 |
|
Discov num |
A 232 |
|
Comp |
|
|
Coord arcsec 2000 |
17 21 13.91 +25 42 27.4 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
27 |
|
| Pa first |
99 |
|
Pa last |
129.8 |
|
P.A. Now (θ) |
129.8° |
|
| Sep first |
0.4 |
|
Sep last |
0.418 |
|
Sep. Now (ρ) |
0.418" |
|
| Mag pri |
9.41 |
|
Mag sec |
9.69 |
|
delta mag (ΔM) |
0.28 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-020 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157256 |
|
Constellation |
Hercules |
|
SAO |
85024 |
|
Tycho2 |
2078-00691-1 |
|
| Gaia DR2 |
4570572224943878400 |
|
HD |
157256 |
|
ADS |
10495 |
|