21344+6644 STFA 57 AB (HD 205741)
21h 34m 25.84s +66° 43' 35.5" P.A. 25.00 sep 183.1 mag 7.07,7.18 Sp K1III dist. 167.22 pc (545.47 l.y.)
| Coord 2000 |
21344+6644 |
|
Discov num |
STFA 57 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 34 25.84 +66 43 35.5 |
|
| Date first |
1836 |
|
Date last |
2016 |
|
Obs |
30 |
|
| Pa first |
26 |
|
Pa last |
25.2 |
|
P.A. Now (θ) |
25.2° |
|
| Sep first |
179.0 |
|
Sep last |
183.1 |
|
Sep. Now (ρ) |
183.1" |
|
| Mag pri |
7.07 |
|
Mag sec |
7.18 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
K1III (yellow-orange) |
|
| Pri motion ra |
-025 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-031 |
|
Sec motion dec |
-018 |
|
| Notes |
N
(See Notes) |
|
rPM=0.642
Nature of this double is uncertain.
21344+6644 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 205741 |
19510 |
21 34 26 +66 43 36 |
STFA 57 AB |
2016 |
30 |
25 |
183.1 |
7.07 |
7.18 |
0.11 |
|
<=== |
| Show |
|
19510 |
21 34 26 +66 43 36 |
STFA 57 AC |
2015 |
9 |
346 |
126.1 |
7.07 |
11.90 |
4.83 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 205741 |
|
Constellation |
Cepheus |
|
SAO |
19510 |
|
HIP |
106515 |
|
| Tycho2 |
4261-00422-1 |
|
Gaia DR2 |
2221267239073926784 |
|
HD |
205741 |
|
GC |
30237 |
|
| BD |
BD+66 1415 |
|
Distance |
167.22 |
|
Distance ly |
545.47 |
|
