21071+3905 ALI 960
21h 07m 04.66s +39° 05' 15.4" P.A. 110.00 sep 12.9 mag 12.60,12.60
Coord 2000 |
21071+3905 |
|
Discov num |
ALI 960 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 04.66 +39 05 15.4 |
|
Date first |
1928 |
|
Date last |
2022 |
|
Obs |
9 |
|
Pa first |
111 |
|
Pa last |
109.6 |
|
P.A. Now (θ) |
109.6° |
|
Sep first |
12.8 |
|
Sep last |
12.92 |
|
Sep. Now (ρ) |
12.92" |
|
Mag pri |
12.60 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.707
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872266026322781056 |
|