21491+6648 STF 2836 AB (HD 207826)
21h 49m 08.12s +66° 47' 31.9" P.A. 155.00 sep 11.8 mag 6.53,10.36 Sp F4V dist. 98.04 pc (319.81 l.y.)
Coord 2000 |
21491+6648 |
|
Discov num |
STF2836 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 49 08.12 +66 47 31.9 |
|
Date first |
1828 |
|
Date last |
2015 |
|
Obs |
25 |
|
Pa first |
151 |
|
Pa last |
154.8 |
|
P.A. Now (θ) |
154.8° |
|
Sep first |
13.0 |
|
Sep last |
11.844 |
|
Sep. Now (ρ) |
11.844" |
|
Mag pri |
6.53 |
|
Mag sec |
10.36 |
|
delta mag (ΔM) |
3.83 |
|
Spectral class |
F4V (yellow-white) |
|
Pri motion ra |
-021 |
|
Sec motion ra |
-021 |
|
Pri motion dec |
-066 |
|
Sec motion dec |
-066 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21491+6648 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 207826 |
19665 |
21 49 08 +66 47 32 |
STF 2836 AB |
2015 |
25 |
155 |
11.8 |
6.53 |
10.36 |
3.83 |
|
<=== |
Show |
|
19665 |
21 49 08 +66 47 32 |
WAL 140 AC |
2015 |
8 |
253 |
64.5 |
6.53 |
10.53 |
4.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 207826 |
|
Constellation |
Cepheus |
|
SAO |
19665 |
|
HIP |
107710 |
|
Tycho2 |
4274-02376-1 |
|
Gaia DR2 |
2219558220048347264 |
|
HD |
207826 |
|
GC |
30574 |
|
BD |
BD+66 1441 |
|
Distance |
98.04 |
|
Distance ly |
319.81 |
|