21254+4818 ES 1102 AB
21h 25m 25.10s +48° 18' 57.1" P.A. 195.00 sep 49.1 mag 10.68,11.10
| Coord 2000 |
21254+4818 |
|
Discov num |
ES 1102 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 25 25.10 +48 18 57.1 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
194 |
|
Pa last |
194.7 |
|
P.A. Now (θ) |
194.7° |
|
| Sep first |
45.9 |
|
Sep last |
49.057 |
|
Sep. Now (ρ) |
49.057" |
|
| Mag pri |
10.68 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.42 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-025 |
|
| Notes |
|
|
rPM=1.172
This double is not physical.
21254+4818 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 25 25 +48 18 57 |
ES 1102 AB |
2018 |
11 |
195 |
49.1 |
10.68 |
11.10 |
0.42 |
|
<=== |
| Show |
|
|
21 25 24 +48 18 10 |
ES 1102 BC |
2018 |
9 |
38 |
7.0 |
11.50 |
12.00 |
0.50 |
|
|
| Show |
|
|
21 25 24 +48 18 15 |
CRB 7 Ca,Cb |
2011 |
1 |
110 |
1.6 |
12.70 |
12.80 |
0.10 |
|
|
| Show |
|
|
21 25 24 +48 18 15 |
ES 1102 CD |
2011 |
2 |
110 |
3.6 |
12.00 |
13.00 |
1.00 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-02191-1 |
|
Gaia DR2 |
2170739938149976448 |
|
