21423+4616 ES 1275 BC
21h 42m 17.05s +46° 17' 34.3" P.A. 337.00 sep 4.3 mag 12.90,13.30
| Coord 2000 |
21423+4616 |
|
Discov num |
ES 1275 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 42 17.05 +46 17 34.3 |
|
| Date first |
1913 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
337 |
|
Pa last |
337.2 |
|
P.A. Now (θ) |
337.2° |
|
| Sep first |
4.3 |
|
Sep last |
4.256 |
|
Sep. Now (ρ) |
4.256" |
|
| Mag pri |
12.90 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=1.504
This double is not physical.
21423+4616 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 42 17 +46 16 23 |
ES 1275 AB |
2013 |
6 |
1 |
72.6 |
8.62 |
12.90 |
4.28 |
|
|
| Show |
|
|
21 42 17 +46 17 34 |
ES 1275 BC |
2015 |
5 |
337 |
4.3 |
12.90 |
13.30 |
0.40 |
|
<=== |
| Show |
|
|
21 42 17 +46 17 34 |
ES 1275 BD |
2015 |
5 |
286 |
6.1 |
12.90 |
13.10 |
0.20 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1974255831569797632 |
|
