20493+3113 TDS 1101
20h 49m 19.03s +31° 13' 08.7" P.A. 231.00 sep 1.2 mag 10.88,12.24
Coord 2000 |
20493+3113 |
|
Discov num |
TDS1101 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 19.03 +31 13 08.7 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
238 |
|
Pa last |
230.8 |
|
P.A. Now (θ) |
230.8° |
|
Sep first |
1.2 |
|
Sep last |
1.219 |
|
Sep. Now (ρ) |
1.219" |
|
Mag pri |
10.88 |
|
Mag sec |
12.24 |
|
delta mag (ΔM) |
1.36 |
|
Spectral class |
|
|
Pri motion ra |
-040 |
|
Sec motion ra |
-040 |
|
Pri motion dec |
-042 |
|
Sec motion dec |
-042 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2687-00384-1 |
|
Gaia DR2 |
1859558596794715136 |
|