21510+5621 KR 55 AC
21h 51m 00.59s +56° 21' 19.3" P.A. 20.00 sep 16.1 mag 10.31,11.63 Sp G5
| Coord 2000 |
21510+5621 |
|
Discov num |
KR 55 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 51 00.59 +56 21 19.3 |
|
| Date first |
1898 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
21 |
|
Pa last |
19.9 |
|
P.A. Now (θ) |
19.9° |
|
| Sep first |
16.4 |
|
Sep last |
16.052 |
|
Sep. Now (ρ) |
16.052" |
|
| Mag pri |
10.31 |
|
Mag sec |
11.63 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.844
This double is not physical.
21510+5621 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 239782 |
|
21 51 01 +56 21 19 |
KR 55 AB |
2016 |
22 |
355 |
4.7 |
10.31 |
10.69 |
0.38 |
|
|
| Show |
|
|
21 51 01 +56 21 19 |
KR 55 AC |
2016 |
14 |
20 |
16.1 |
10.31 |
11.63 |
1.32 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3976-01786-1 |
|
Gaia DR2 |
2174946875789394688 |
|
HD |
239782 |
|
| DM |
BD+55 2636 |
|
