17251+0716 A 1149 (HD 157780)
17h 25m 03.74s +07° 16' 06.7" P.A. 126.00 sep 1.0 mag 9.64,10.34 Sp A2
| Coord 2000 |
17251+0716 |
|
Discov num |
A 1149 |
|
Comp |
|
|
Coord arcsec 2000 |
17 25 03.74 +07 16 06.7 |
|
| Date first |
1905 |
|
Date last |
2018 |
|
Obs |
18 |
|
| Pa first |
120 |
|
Pa last |
125.7 |
|
P.A. Now (θ) |
125.7° |
|
| Sep first |
1.1 |
|
Sep last |
1.03 |
|
Sep. Now (ρ) |
1.03" |
|
| Mag pri |
9.64 |
|
Mag sec |
10.34 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
+006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157780 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
0413-01563-1 |
|
Gaia DR2 |
4394027697323719168 |
|
| HD |
157780 |
|
