21105+4000 ALI 1155
21h 10m 26.90s +40° 00' 14.2" P.A. 305.00 sep 13.4 mag 11.72,12.23
Coord 2000 |
21105+4000 |
|
Discov num |
ALI1155 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 26.90 +40 00 14.2 |
|
Date first |
1928 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
298 |
|
Pa last |
304.7 |
|
P.A. Now (θ) |
304.7° |
|
Sep first |
13.8 |
|
Sep last |
13.409 |
|
Sep. Now (ρ) |
13.409" |
|
Mag pri |
11.72 |
|
Mag sec |
12.23 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
|
|
Pri motion ra |
-017 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=0.978
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3173-02387-1 |
|
Gaia DR2 |
1968204811052521344 |
|