20378+6045 STF 2717 AC
20h 37m 48.12s +60° 45' 21.5" P.A. 52.00 sep 40.8 mag 7.34,10.43 Sp G3III dist. 263.16 pc (858.43 l.y.)
| Coord 2000 |
20378+6045 |
|
Discov num |
STF2717 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 37 48.12 +60 45 21.5 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
52 |
|
Pa last |
51.7 |
|
P.A. Now (θ) |
51.7° |
|
| Sep first |
46.3 |
|
Sep last |
40.767 |
|
Sep. Now (ρ) |
40.767" |
|
| Mag pri |
7.34 |
|
Mag sec |
10.43 |
|
delta mag (ΔM) |
3.09 |
|
Spectral class |
G3III (yellow) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
+012 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=1.797
This double is not physical.
20378+6045 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 196988 |
18958 |
20 37 48 +60 45 22 |
STF 2717 AB |
2016 |
29 |
259 |
2.1 |
7.34 |
9.46 |
2.12 |
|
|
| Show |
|
18958 |
20 37 48 +60 45 22 |
STF 2717 AC |
2015 |
14 |
52 |
40.8 |
7.34 |
10.43 |
3.09 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
18958 |
|
HIP |
101794 |
|
Tycho2 |
4246-01820-1 |
|
| Gaia DR2 |
2194638510560907904 |
|
HD |
196988 |
|
BD |
BD+60 2142 |
|
Distance |
263.16 |
|
| Distance ly |
858.43 |
|
