21191+3944 SEI 1501
21h 19m 07.08s +39° 44' 08.3" P.A. 240.00 sep 29.7 mag 11.93,12.68
Coord 2000 |
21191+3944 |
|
Discov num |
SEI1501 |
|
Comp |
|
|
Coord arcsec 2000 |
21 19 07.08 +39 44 08.3 |
|
Date first |
1895 |
|
Date last |
2018 |
|
Obs |
11 |
|
Pa first |
240 |
|
Pa last |
239.6 |
|
P.A. Now (θ) |
239.6° |
|
Sep first |
29.1 |
|
Sep last |
29.682 |
|
Sep. Now (ρ) |
29.682" |
|
Mag pri |
11.93 |
|
Mag sec |
12.68 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.354
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1965558213555452416 |
|