21206+4219 WSI 16
21h 20m 32.79s +42° 19' 00.4" P.A. 149.00 sep 8.2 mag 9.70,9.90
Coord 2000 |
21206+4219 |
|
Discov num |
WSI 16 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 32.79 +42 19 00.4 |
|
Date first |
1895 |
|
Date last |
2020 |
|
Obs |
16 |
|
Pa first |
150 |
|
Pa last |
148.7 |
|
P.A. Now (θ) |
148.7° |
|
Sep first |
8.6 |
|
Sep last |
8.22 |
|
Sep. Now (ρ) |
8.22" |
|
Mag pri |
9.70 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
-008 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.243 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1968898946502363008 |
|