21491+6648 WAL 140 AC
21h 49m 08.12s +66° 47' 31.9" P.A. 253.00 sep 64.5 mag 6.53,10.53 Sp F4V dist. 98.04 pc (319.81 l.y.)
| Coord 2000 |
21491+6648 |
|
Discov num |
WAL 140 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 49 08.12 +66 47 31.9 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
248 |
|
Pa last |
253.2 |
|
P.A. Now (θ) |
253.2° |
|
| Sep first |
67.6 |
|
Sep last |
64.486 |
|
Sep. Now (ρ) |
64.486" |
|
| Mag pri |
6.53 |
|
Mag sec |
10.53 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
-066 |
|
Sec motion dec |
-008 |
|
| Notes |
N
(See Notes) |
|
rPM=0.838
This double is not physical.
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
| Constellation |
Cepheus |
|
SAO |
19665 |
|
HIP |
107710 |
|
Tycho2 |
4274-02376-1 |
|
| Gaia DR2 |
2219558220048347264 |
|
HD |
207826 |
|
BD |
BD+66 1441 |
|
Distance |
98.04 |
|
| Distance ly |
319.81 |
|
