20453+3854 SEI 1239
20h 45m 20.65s +38° 54' 21.2" P.A. 40.00 sep 26.8 mag 9.42,12.44 Sp F2
Coord 2000 |
20453+3854 |
|
Discov num |
SEI1239 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 20.65 +38 54 21.2 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
34 |
|
Pa last |
39.5 |
|
P.A. Now (θ) |
39.5° |
|
Sep first |
23.7 |
|
Sep last |
26.75 |
|
Sep. Now (ρ) |
26.75" |
|
Mag pri |
9.42 |
|
Mag sec |
12.44 |
|
delta mag (ΔM) |
3.02 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
+013 |
|
Sec motion ra |
+039 |
|
Pri motion dec |
+021 |
|
Sec motion dec |
+025 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.568
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3166-01066-1 |
|
Gaia DR2 |
2063475599522069632 |
|