20457+5040 STT 412 BC
20h 45m 40.40s +50° 40' 30.1" P.A. 186.00 sep 5.0 mag 11.70,11.80
| Coord 2000 |
20457+5040 |
|
Discov num |
STT 412 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 45 40.40 +50 40 30.1 |
|
| Date first |
1899 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
186 |
|
Pa last |
185.5 |
|
P.A. Now (θ) |
185.5° |
|
| Sep first |
5.1 |
|
Sep last |
5.032 |
|
Sep. Now (ρ) |
5.032" |
|
| Mag pri |
11.70 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=1.374
This double is not physical.
20457+5040 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 198039 |
32865 |
20 45 43 +50 40 26 |
STT 412 AB |
2015 |
12 |
279 |
26.0 |
7.10 |
11.70 |
4.60 |
|
|
| Show |
|
32865 |
20 45 43 +50 40 26 |
STT 412 AC |
2015 |
10 |
268 |
26.2 |
7.10 |
11.80 |
4.70 |
|
|
| Show |
|
|
20 45 40 +50 40 30 |
STT 412 BC |
2016 |
15 |
186 |
5.0 |
11.70 |
11.80 |
0.10 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2168453847311683328 |
|
