20177+3914 COU 2536 (HD 228777)
20h 17m 40.31s +39° 14' 35.1" P.A. 312.00 sep 1.8 mag 9.74,11.49 Sp A0
Coord 2000 |
20177+3914 |
|
Discov num |
COU2536 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 40.31 +39 14 35.1 |
|
Date first |
1989 |
|
Date last |
2008 |
|
Obs |
3 |
|
Pa first |
316 |
|
Pa last |
312.2 |
|
P.A. Now (θ) |
312.2° |
|
Sep first |
1.4 |
|
Sep last |
1.771 |
|
Sep. Now (ρ) |
1.771" |
|
Mag pri |
9.74 |
|
Mag sec |
11.49 |
|
delta mag (ΔM) |
1.75 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228777 |
|
Constellation |
Cygnus |
|
Tycho2 |
3151-00289-1 |
|
Gaia DR2 |
2061378182331811328 |
|
HD |
228777 |
|