20177+3836 SEI 1069 (HD 228791)
20h 17m 43.04s +38° 36' 10.3" P.A. 247.00 sep 14.6 mag 9.02,12.10 Sp O8?+B2III
| Coord 2000 |
20177+3836 |
|
Discov num |
SEI1069 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 43.04 +38 36 10.3 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
245 |
|
Pa last |
247 |
|
P.A. Now (θ) |
247° |
|
| Sep first |
14.7 |
|
Sep last |
14.649 |
|
Sep. Now (ρ) |
14.649" |
|
| Mag pri |
9.02 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
3.08 |
|
Spectral class |
O8?+B2III (blue/blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.264 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228791 |
|
Constellation |
Cygnus |
|
SAO |
69771 |
|
Tycho2 |
3151-00572-1 |
|
| Gaia DR2 |
2061275579830803584 |
|
HD |
228791 |
|
