17215+5532 ES 2656
17h 21m 40.66s +55° 31' 43.7" P.A. 64.00 sep 11.1 mag 10.60,12.50
Coord 2000 |
17215+5532 |
|
Discov num |
ES 2656 |
|
Comp |
|
|
Coord arcsec 2000 |
17 21 40.66 +55 31 43.7 |
|
Date first |
1919 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
64 |
|
Pa last |
63.8 |
|
P.A. Now (θ) |
63.8° |
|
Sep first |
10.8 |
|
Sep last |
11.146 |
|
Sep. Now (ρ) |
11.146" |
|
Mag pri |
10.60 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
|
|
Pri motion ra |
-022 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+050 |
|
Sec motion dec |
+048 |
|
Notes |
|
|
rPM=0.386
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
3892-00297-1 |
|
Gaia DR2 |
1420487079406561152 |
|