20112+3120 SEI 960
20h 11m 17.91s +31° 15' 33.9" P.A. 223.00 sep 6.4 mag 13.30,13.60
Coord 2000 |
20112+3120 |
|
Discov num |
SEI 960 |
|
Comp |
|
|
Coord arcsec 2000 |
20 11 17.91 +31 15 33.9 |
|
Date first |
1893 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
221 |
|
Pa last |
222.6 |
|
P.A. Now (θ) |
222.6° |
|
Sep first |
8.8 |
|
Sep last |
6.404 |
|
Sep. Now (ρ) |
6.404" |
|
Mag pri |
13.30 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-007 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.555
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2053997298194487936 |
|