21559+6626 CLL 17 AB (HD 208743)
21h 55m 51.66s +66° 26' 17.8" P.A. 68.00 sep 37.0 mag 8.62,9.60 Sp A0
| Coord 2000 |
21559+6626 |
|
Discov num |
CLL 17 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 55 51.66 +66 26 17.8 |
|
| Date first |
1893 |
|
Date last |
2016 |
|
Obs |
20 |
|
| Pa first |
68 |
|
Pa last |
67.5 |
|
P.A. Now (θ) |
67.5° |
|
| Sep first |
36.7 |
|
Sep last |
36.96 |
|
Sep. Now (ρ) |
36.96" |
|
| Mag pri |
8.62 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.071 (< 0.3, Physical double)
This double is 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
| Name |
HD 208743 |
|
Constellation |
Cepheus |
|
SAO |
19747 |
|
Tycho2 |
4274-01794-1 |
|
| Gaia DR2 |
2219477027986846848 |
|
HD |
208743 |
|
DM |
BD+65 1683 |
|
