21025+3844 SEI 1374
21h 02m 30.05s +38° 43' 20.5" P.A. 104.00 sep 17.0 mag 12.17,12.40
Coord 2000 |
21025+3844 |
|
Discov num |
SEI1374 |
|
Comp |
|
|
Coord arcsec 2000 |
21 02 30.05 +38 43 20.5 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
108 |
|
Pa last |
103.7 |
|
P.A. Now (θ) |
103.7° |
|
Sep first |
16.5 |
|
Sep last |
17.027 |
|
Sep. Now (ρ) |
17.027" |
|
Mag pri |
12.17 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
|
|
Pri motion ra |
-010 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=1.329
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3168-01414-1 |
|
Gaia DR2 |
1872173293700780416 |
|