20139+3439 SEI 1027 (HD 228441)
20h 13m 54.72s +34° 38' 55.4" P.A. 10.00 sep 28.7 mag 10.15,12.31 Sp G5IV
Coord 2000 |
20139+3439 |
|
Discov num |
SEI1027 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 54.72 +34 38 55.4 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
11 |
|
Pa last |
9.9 |
|
P.A. Now (θ) |
9.9° |
|
Sep first |
27.5 |
|
Sep last |
28.676 |
|
Sep. Now (ρ) |
28.676" |
|
Mag pri |
10.15 |
|
Mag sec |
12.31 |
|
delta mag (ΔM) |
2.16 |
|
Spectral class |
G5IV (yellow) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.124
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228441 |
|
Constellation |
Cygnus |
|
Tycho2 |
2679-00800-1 |
|
Gaia DR2 |
2055776548534504704 |
|
HD |
228441 |
|