21565+5948 STT 458 AB (HD 208744)
21h 56m 27.30s +59° 47' 42.4" P.A. 348.00 sep 1.0 mag 7.20,8.41 Sp A0V dist. 346.02 pc (1128.72 l.y.)
Coord 2000 |
21565+5948 |
|
Discov num |
STT 458 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 56 27.30 +59 47 42.4 |
|
Date first |
1846 |
|
Date last |
2016 |
|
Obs |
39 |
|
Pa first |
350 |
|
Pa last |
348 |
|
P.A. Now (θ) |
348° |
|
Sep first |
0.7 |
|
Sep last |
0.972 |
|
Sep. Now (ρ) |
0.972" |
|
Mag pri |
7.20 |
|
Mag sec |
8.41 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
+022 |
|
Sec motion ra |
+022 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
Nature of this double is uncertain.
21565+5948 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 208744 |
33894 |
21 56 27 +59 47 42 |
STT 458 AB |
2016 |
39 |
348 |
1.0 |
7.20 |
8.41 |
1.21 |
|
<=== |
Show |
|
33894 |
21 56 27 +59 47 42 |
STT 458 AC |
2015 |
7 |
23 |
21.5 |
7.20 |
12.60 |
5.40 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 208744 |
|
Constellation |
Cepheus |
|
SAO |
33894 |
|
HIP |
108301 |
|
Tycho2 |
3980-00723-1 |
|
Gaia DR2 |
2202734042886828160 |
|
HD |
208744 |
|
GC |
30723 |
|
BD |
BD+59 2436 |
|
Distance |
346.02 |
|
Distance ly |
1128.72 |
|