20163+3924 SEI 1051 (HD 228681)
20h 16m 18.85s +39° 23' 30.2" P.A. 148.00 sep 22.3 mag 10.05,11.47 Sp A2
Coord 2000 |
20163+3924 |
|
Discov num |
SEI1051 |
|
Comp |
|
|
Coord arcsec 2000 |
20 16 18.85 +39 23 30.2 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
149 |
|
Pa last |
147.7 |
|
P.A. Now (θ) |
147.7° |
|
Sep first |
22.2 |
|
Sep last |
22.328 |
|
Sep. Now (ρ) |
22.328" |
|
Mag pri |
10.05 |
|
Mag sec |
11.47 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228681 |
|
Constellation |
Cygnus |
|
Tycho2 |
3155-00956-1 |
|
Gaia DR2 |
2062129389282621440 |
|
HD |
228681 |
|