20309+3459 SEI 1145
20h 30m 52.56s +34° 59' 15.1" P.A. 88.00 sep 7.7 mag 10.50,10.50
Coord 2000 |
20309+3459 |
|
Discov num |
SEI1145 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 52.56 +34 59 15.1 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
88 |
|
Pa last |
88.1 |
|
P.A. Now (θ) |
88.1° |
|
Sep first |
7.7 |
|
Sep last |
7.741 |
|
Sep. Now (ρ) |
7.741" |
|
Mag pri |
10.50 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.4
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2056541533744299136 |
|