17567+4557 BVD 258
17h 56m 44.63s +45° 56' 31.7" P.A. 91.00 sep 15.5 mag 12.80,17.70
Coord 2000 |
17567+4557 |
|
Discov num |
BVD 258 |
|
Comp |
|
|
Coord arcsec 2000 |
17 56 44.63 +45 56 31.7 |
|
Date first |
1998 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
91 |
|
Pa last |
91.1 |
|
P.A. Now (θ) |
91.1° |
|
Sep first |
15.5 |
|
Sep last |
15.504 |
|
Sep. Now (ρ) |
15.504" |
|
Mag pri |
12.80 |
|
Mag sec |
17.70 |
|
delta mag (ΔM) |
4.9 |
|
Spectral class |
|
|
Pri motion ra |
-088 |
|
Sec motion ra |
-085 |
|
Pri motion dec |
+093 |
|
Sec motion dec |
+093 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.023 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
1349900975524834944 |
|