21254+4818 ES 1102 BC
21h 25m 23.87s +48° 18' 10.1" P.A. 38.00 sep 7.0 mag 11.50,12.00
| Coord 2000 |
21254+4818 |
|
Discov num |
ES 1102 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 25 23.87 +48 18 10.1 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
47 |
|
Pa last |
37.6 |
|
P.A. Now (θ) |
37.6° |
|
| Sep first |
5.4 |
|
Sep last |
6.97 |
|
Sep. Now (ρ) |
6.97" |
|
| Mag pri |
11.50 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-025 |
|
Sec motion dec |
-003 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=0.891
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
