21523+6306 MAD 12 AC
21h 52m 20.95s +63° 06' 04.5" P.A. 207.00 sep 35.4 mag 8.07,11.38 Sp B2V dist. 746.27 pc (2434.33 l.y.)
| Coord 2000 |
21523+6306 |
|
Discov num |
MAD 12 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 52 20.95 +63 06 04.5 |
|
| Date first |
1844 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
210 |
|
Pa last |
206.8 |
|
P.A. Now (θ) |
206.8° |
|
| Sep first |
30.6 |
|
Sep last |
35.41 |
|
Sep. Now (ρ) |
35.41" |
|
| Mag pri |
8.07 |
|
Mag sec |
11.38 |
|
delta mag (ΔM) |
3.31 |
|
Spectral class |
B2V (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=0.566
Nature of this double is uncertain.
21523+6306 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 208185 |
19694 |
21 52 21 +63 06 04 |
STF 2845 AB |
2022 |
39 |
173 |
2.0 |
8.07 |
8.20 |
0.13 |
|
|
| Show |
|
19694 |
21 52 21 +63 06 04 |
MAD 12 AC |
2015 |
6 |
207 |
35.4 |
8.07 |
11.38 |
3.31 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
19694 |
|
HIP |
107961 |
|
Tycho2 |
4266-02714-1 |
|
| Gaia DR2 |
2216498416630401664 |
|
HD |
208185 |
|
BD |
BD+62 1992 |
|
Distance |
746.27 |
|
| Distance ly |
2434.33 |
|
