23258+4521 HJL 1111 AB (HD 220721)
23h 25m 45.69s +45° 20' 50.6" P.A. 43.00 sep 185.5 mag 7.95,8.57 Sp G5+G0 dist. 56.72 pc (185.02 l.y.)
| Coord 2000 |
23258+4521 |
|
Discov num |
HJL1111 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 25 45.69 +45 20 50.6 |
|
| Date first |
1894 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
44 |
|
Pa last |
43.3 |
|
P.A. Now (θ) |
43.3° |
|
| Sep first |
185.4 |
|
Sep last |
185.5 |
|
Sep. Now (ρ) |
185.5" |
|
| Mag pri |
7.95 |
|
Mag sec |
8.57 |
|
delta mag (ΔM) |
0.62 |
|
Spectral class |
G5+G0 (yellow/yellow) |
|
| Pri motion ra |
+047 |
|
Sec motion ra |
+047 |
|
| Pri motion dec |
-045 |
|
Sec motion dec |
-043 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.031 (< 0.3, Physical double)
This double is physical.
23258+4521 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 220721 |
53008 |
23 25 46 +45 20 51 |
HJL 1111 AB |
2016 |
18 |
43 |
185.5 |
7.95 |
8.57 |
0.62 |
|
<=== |
| Show |
|
53014 |
23 25 58 +45 23 06 |
RAO 75 BC |
2015 |
7 |
64 |
13.4 |
8.57 |
14.00 |
5.43 |
|
|
| Show |
|
|
23 25 59 +45 23 11 |
RAO 75 CD |
2012 |
1 |
280 |
0.6 |
14.00 |
15.00 |
1.00 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 220721 |
|
Constellation |
Andromeda |
|
SAO |
53008 |
|
HIP |
115655 |
|
| Tycho2 |
3636-00231-1 |
|
Gaia DR2 |
1938247517245907456 |
|
HD |
220721 |
|
BD |
BD+44 4414 |
|
| Distance |
56.72 |
|
Distance ly |
185.02 |
|
