21112+4346 ES 1454 BC
21h 11m 17.97s +43° 45' 24.7" P.A. 285.00 sep 3.2 mag 11.88,12.04
| Coord 2000 |
21112+4346 |
|
Discov num |
ES 1454 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 11 17.97 +43 45 24.7 |
|
| Date first |
1895 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
285 |
|
Pa last |
284.8 |
|
P.A. Now (θ) |
284.8° |
|
| Sep first |
2.8 |
|
Sep last |
3.161 |
|
Sep. Now (ρ) |
3.161" |
|
| Mag pri |
11.88 |
|
Mag sec |
12.04 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
|
|
| Pri motion ra |
+031 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
+007 |
|
Sec motion dec |
+014 |
|
| Notes |
|
|
rPM=0.847
This double is not physical.
21112+4346 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 11 12 +43 45 49 |
ES 1454 AB |
2015 |
7 |
111 |
66.8 |
9.60 |
11.88 |
2.28 |
|
|
| Show |
|
|
21 11 18 +43 45 25 |
ES 1454 BC |
2016 |
9 |
285 |
3.2 |
11.88 |
12.04 |
0.16 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3181-03880-2 |
|
Gaia DR2 |
1970204204246795136 |
|
