20161+3738 SLE 980 (HD 228657)
20h 16m 05.54s +37° 37' 50.0" P.A. 226.00 sep 14.2 mag 9.90,12.50 Sp B9.5V
| Coord 2000 |
20161+3738 |
|
Discov num |
SLE 980 |
|
Comp |
|
|
Coord arcsec 2000 |
20 16 05.54 +37 37 50.0 |
|
| Date first |
1985 |
|
Date last |
2022 |
|
Obs |
9 |
|
| Pa first |
226 |
|
Pa last |
225.9 |
|
P.A. Now (θ) |
225.9° |
|
| Sep first |
13.9 |
|
Sep last |
14.18 |
|
Sep. Now (ρ) |
14.18" |
|
| Mag pri |
9.90 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=1.94
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228657 |
|
Constellation |
Cygnus |
|
Tycho2 |
3151-01940-1 |
|
Gaia DR2 |
2060855673786879104 |
|
| HD |
228657 |
|
