21596+6931 HJ 3085 AB
21h 58m 50.70s +69° 33' 31.9" P.A. 324.00 sep 21.5 mag 10.14,12.10 Sp A5
| Coord 2000 |
21596+6931 |
|
Discov num |
HJ 3085 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 58 50.70 +69 33 31.9 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
331 |
|
Pa last |
323.6 |
|
P.A. Now (θ) |
323.6° |
|
| Sep first |
15.0 |
|
Sep last |
21.509 |
|
Sep. Now (ρ) |
21.509" |
|
| Mag pri |
10.14 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.75
Nature of this double is uncertain.
21596+6931 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 58 51 +69 33 32 |
HJ 3085 AB |
2015 |
12 |
324 |
21.5 |
10.14 |
12.10 |
1.96 |
|
<=== |
| Show |
|
|
21 58 51 +69 33 32 |
HJ 3085 AC |
2015 |
9 |
286 |
48.1 |
10.14 |
13.91 |
3.77 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4466-02481-1 |
|
Gaia DR2 |
2223478872354361728 |
|
DM |
BD+68 1264 |
|
