21503+7410 UC 4578 BC
21h 50m 17.26s +74° 08' 23.2" P.A. 48.00 sep 71.7 mag 15.36,16.60
| Coord 2000 |
21503+7410 |
|
Discov num |
UC 4578 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 50 17.26 +74 08 23.2 |
|
| Date first |
1953 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
48 |
|
Pa last |
48.1 |
|
P.A. Now (θ) |
48.1° |
|
| Sep first |
71.4 |
|
Sep last |
71.668 |
|
Sep. Now (ρ) |
71.668" |
|
| Mag pri |
15.36 |
|
Mag sec |
16.60 |
|
delta mag (ΔM) |
1.24 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+107 |
|
Sec motion dec |
+095 |
|
| Notes |
|
|
rPM=0.114 (< 0.3, Physical double)
This double is physical.
21503+7410 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 50 19 +74 09 36 |
UC 4578 AB |
2015 |
9 |
187 |
73.6 |
15.05 |
15.36 |
0.31 |
|
|
| Show |
|
|
21 50 19 +74 09 36 |
UC 4578 AC |
2015 |
6 |
120 |
51.1 |
15.05 |
16.60 |
1.55 |
|
|
| Show |
|
|
21 50 17 +74 08 23 |
UC 4578 BC |
2015 |
6 |
48 |
71.7 |
15.36 |
16.60 |
1.24 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2279954771716515072 |
|
