21531+6806 STTA 226 BC
21h 52m 55.89s +68° 05' 54.5" P.A. 149.00 sep 85.2 mag 8.91,12.91 Sp A3V dist. 346.02 pc (1128.72 l.y.)
| Coord 2000 |
21531+6806 |
|
Discov num |
STTA226 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 52 55.89 +68 05 54.5 |
|
| Date first |
1913 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
149 |
|
Pa last |
148.9 |
|
P.A. Now (θ) |
148.9° |
|
| Sep first |
85.1 |
|
Sep last |
85.21 |
|
Sep. Now (ρ) |
85.21" |
|
| Mag pri |
8.91 |
|
Mag sec |
12.91 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-016 |
|
| Notes |
N
(See Notes) |
|
rPM=0.485
Nature of this double is uncertain.
21531+6806 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 208411 |
19712 |
21 53 08 +68 06 27 |
STTA 226 AB |
2018 |
32 |
245 |
76.3 |
7.52 |
8.91 |
1.39 |
|
|
| Show |
|
19709 |
21 52 56 +68 05 54 |
STTA 226 BC |
2015 |
8 |
149 |
85.2 |
8.91 |
12.91 |
4.00 |
|
<=== |
| Show |
|
19709 |
21 52 56 +68 05 54 |
STTA 226 BD |
2015 |
6 |
169 |
50.2 |
8.91 |
13.52 |
4.61 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
19709 |
|
HIP |
108008 |
|
Tycho2 |
4462-02852-1 |
|
| Gaia DR2 |
2222755015746954112 |
|
HD |
208376 |
|
BD |
BD+67 1370 |
|
Distance |
346.02 |
|
| Distance ly |
1128.72 |
|
