21296+3625 ES 258 BC
21h 29m 36.28s +36° 26' 19.0" P.A. 10.00 sep 19.7 mag 11.21,12.95
| Coord 2000 |
21296+3625 |
|
Discov num |
ES 258 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 29 36.28 +36 26 19.0 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
355 |
|
Pa last |
9.7 |
|
P.A. Now (θ) |
9.7° |
|
| Sep first |
4.0 |
|
Sep last |
19.656 |
|
Sep. Now (ρ) |
19.656" |
|
| Mag pri |
11.21 |
|
Mag sec |
12.95 |
|
delta mag (ΔM) |
1.74 |
|
Spectral class |
|
|
| Pri motion ra |
-035 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-153 |
|
Sec motion dec |
+089 |
|
| Notes |
|
|
rPM=1.563
This double is not physical.
21296+3625 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 29 36 +36 26 09 |
ES 258 AB |
2014 |
26 |
36 |
9.8 |
10.81 |
11.21 |
0.40 |
|
|
| Show |
|
|
21 29 36 +36 26 19 |
ES 258 BC |
2015 |
12 |
10 |
19.7 |
11.21 |
12.95 |
1.74 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2716-01017-1 |
|
Gaia DR2 |
1951656611306406912 |
|
