21462+5748 HJ 1694 AB
21h 46m 11.07s +57° 47' 33.7" P.A. 13.00 sep 19.9 mag 9.60,10.25 Sp B2 dist. 621.12 pc (2026.09 l.y.)
| Coord 2000 |
21462+5748 |
|
Discov num |
HJ 1694 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 46 11.07 +57 47 33.7 |
|
| Date first |
1828 |
|
Date last |
2016 |
|
Obs |
23 |
|
| Pa first |
15 |
|
Pa last |
12.9 |
|
P.A. Now (θ) |
12.9° |
|
| Sep first |
17.5 |
|
Sep last |
19.852 |
|
Sep. Now (ρ) |
19.852" |
|
| Mag pri |
9.60 |
|
Mag sec |
10.25 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
B2 (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=1.414
This double is not physical.
21462+5748 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 46 11 +57 47 34 |
HJ 1694 AB |
2016 |
23 |
13 |
19.9 |
9.60 |
10.25 |
0.65 |
|
<=== |
| Show |
|
|
21 46 11 +57 47 34 |
ABH 151 AD |
2015 |
7 |
50 |
51.0 |
9.60 |
13.84 |
4.24 |
|
|
| Show |
|
|
21 46 11 +57 47 34 |
ABH 151 AE |
2015 |
7 |
277 |
87.8 |
9.60 |
15.70 |
6.10 |
|
|
| Show |
|
|
21 46 12 +57 47 53 |
ES 36 BC |
2016 |
12 |
138 |
7.1 |
10.25 |
13.20 |
2.95 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
HIP |
107480 |
|
Tycho2 |
3975-00721-1 |
|
Gaia DR2 |
2178313786552704384 |
|
| Distance |
621.12 |
|
Distance ly |
2026.09 |
|