17040+4212 ES 634 AB
17h 04m 00.87s +42° 11' 46.9" P.A. 93.00 sep 2.1 mag 10.80,11.62
| Coord 2000 |
17040+4212 |
|
Discov num |
ES 634 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 04 00.87 +42 11 46.9 |
|
| Date first |
1908 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
98 |
|
Pa last |
93.4 |
|
P.A. Now (θ) |
93.4° |
|
| Sep first |
1.8 |
|
Sep last |
2.073 |
|
Sep. Now (ρ) |
2.073" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.62 |
|
delta mag (ΔM) |
0.82 |
|
Spectral class |
|
|
| Pri motion ra |
+041 |
|
Sec motion ra |
+041 |
|
| Pri motion dec |
-042 |
|
Sec motion dec |
-042 |
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
3080-01176-1 |
|
