21121+3539 SEI 1441
21h 12m 03.47s +35° 38' 37.9" P.A. 158.00 sep 13.9 mag 10.44,11.90
Coord 2000 |
21121+3539 |
|
Discov num |
SEI1441 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 03.47 +35 38 37.9 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
153 |
|
Pa last |
157.8 |
|
P.A. Now (θ) |
157.8° |
|
Sep first |
13.9 |
|
Sep last |
13.924 |
|
Sep. Now (ρ) |
13.924" |
|
Mag pri |
10.44 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.46 |
|
Spectral class |
|
|
Pri motion ra |
-002 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.695
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2714-00323-1 |
|
Gaia DR2 |
1867676321196643200 |
|