21559+6626 CLL 17 AC
21h 55m 51.66s +66° 26' 17.8" P.A. 241.00 sep 35.6 mag 8.62,9.11 Sp A0
| Coord 2000 |
21559+6626 |
|
Discov num |
CLL 17 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 55 51.66 +66 26 17.8 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
238 |
|
Pa last |
240.8 |
|
P.A. Now (θ) |
240.8° |
|
| Sep first |
39.0 |
|
Sep last |
35.581 |
|
Sep. Now (ρ) |
35.581" |
|
| Mag pri |
8.62 |
|
Mag sec |
9.11 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+019 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
+013 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.38
This double is not physical.
21559+6626 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 208743 |
19747 |
21 55 52 +66 26 18 |
CLL 17 AB |
2016 |
20 |
68 |
37.0 |
8.62 |
9.60 |
0.98 |
|
|
| Show |
|
19747 |
21 55 52 +66 26 18 |
CLL 17 AC |
2015 |
16 |
241 |
35.6 |
8.62 |
9.11 |
0.49 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
19747 |
|
Tycho2 |
4274-01794-1 |
|
Gaia DR2 |
2219477027986846848 |
|
| HD |
208743 |
|
