20441+5043 LEP 171
20h 44m 07.57s +50° 42' 33.1" P.A. 172.00 sep 4.4 mag 17.20,18.30
Coord 2000 |
20441+5043 |
|
Discov num |
LEP 171 |
|
Comp |
|
|
Coord arcsec 2000 |
20 44 07.57 +50 42 33.1 |
|
Date first |
1954 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
171 |
|
Pa last |
172.2 |
|
P.A. Now (θ) |
172.2° |
|
Sep first |
4.1 |
|
Sep last |
4.441 |
|
Sep. Now (ρ) |
4.441" |
|
Mag pri |
17.20 |
|
Mag sec |
18.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
Pri motion ra |
-103 |
|
Sec motion ra |
-096 |
|
Pri motion dec |
+122 |
|
Sec motion dec |
+121 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.044 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2168445566614254592 |
|