20457+5040 STT 412 AC
20h 45m 43.08s +50° 40' 25.9" P.A. 268.00 sep 26.2 mag 7.10,11.80 Sp F3IV dist. 526.32 pc (1716.86 l.y.)
| Coord 2000 |
20457+5040 |
|
Discov num |
STT 412 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 45 43.08 +50 40 25.9 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
270 |
|
Pa last |
268 |
|
P.A. Now (θ) |
268° |
|
| Sep first |
25.6 |
|
Sep last |
26.201 |
|
Sep. Now (ρ) |
26.201" |
|
| Mag pri |
7.10 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
4.7 |
|
Spectral class |
F3IV (yellow-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=0.977
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 |
|
SAO |
32865 |
|
HIP |
102459 |
|
Tycho2 |
3586-00199-1 |
|
| Gaia DR2 |
2168453744232477440 |
|
HD |
198039 |
|
BD |
BD+50 3191 |
|
Distance |
526.32 |
|
| Distance ly |
1716.86 |
|
