20112+5422 STI 2509
20h 11m 10.33s +54° 22' 15.6" P.A. 257.00 sep 7.8 mag 12.00,12.80
Coord 2000 |
20112+5422 |
|
Discov num |
STI2509 |
|
Comp |
|
|
Coord arcsec 2000 |
20 11 10.33 +54 22 15.6 |
|
Date first |
1917 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
256 |
|
Pa last |
257.1 |
|
P.A. Now (θ) |
257.1° |
|
Sep first |
7.3 |
|
Sep last |
7.838 |
|
Sep. Now (ρ) |
7.838" |
|
Mag pri |
12.00 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-008 |
|
Notes |
R
(Red magnitudes) |
|
rPM=0.625
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3936-00352-1 |
|
Gaia DR2 |
2185618078505632000 |
|