17178+4535 STF 2152 (HD 156857)
17h 17m 45.83s +45° 35' 00.2" P.A. 237.00 sep 2.0 mag 9.79,9.89 Sp F8
Coord 2000 |
17178+4535 |
|
Discov num |
STF2152 |
|
Comp |
|
|
Coord arcsec 2000 |
17 17 45.83 +45 35 00.2 |
|
Date first |
1830 |
|
Date last |
2017 |
|
Obs |
36 |
|
Pa first |
249 |
|
Pa last |
237.4 |
|
P.A. Now (θ) |
237.4° |
|
Sep first |
1.9 |
|
Sep last |
1.967 |
|
Sep. Now (ρ) |
1.967" |
|
Mag pri |
9.79 |
|
Mag sec |
9.89 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
+063 |
|
Sec motion ra |
+063 |
|
Pri motion dec |
-056 |
|
Sec motion dec |
-056 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156857 |
|
Constellation |
Hercules |
|
SAO |
46618 |
|
Tycho2 |
3508-01520-1 |
|
Gaia DR2 |
1361711237938850816 |
|
HD |
156857 |
|
GC |
23383 |
|