21200+5259 STF 2789 AC
21h 19m 58.84s +52° 58' 44.1" P.A. 171.00 sep 133.1 mag 7.71,12.53 Sp F8V
| Coord 2000 |
21200+5259 |
|
Discov num |
STF2789 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 19 58.84 +52 58 44.1 |
|
| Date first |
1913 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
172 |
|
Pa last |
171.1 |
|
P.A. Now (θ) |
171.1° |
|
| Sep first |
126.6 |
|
Sep last |
133.096 |
|
Sep. Now (ρ) |
133.096" |
|
| Mag pri |
7.71 |
|
Mag sec |
12.53 |
|
delta mag (ΔM) |
4.82 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+059 |
|
Sec motion dec |
-001 |
|
| Notes |
W
|
|
rPM=1.016
This double is not physical.
21200+5259 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 203380 |
33334 |
21 19 59 +52 58 44 |
STF 2789 AB |
2019 |
119 |
113 |
6.9 |
7.71 |
7.87 |
0.16 |
Y |
|
| Show |
|
33334 |
21 19 59 +52 58 44 |
STF 2789 AC |
2015 |
8 |
171 |
133.1 |
7.71 |
12.53 |
4.82 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
33334 |
|
Tycho2 |
3953-01414-1 |
|
Gaia DR2 |
2175444507873336448 |
|
| HD |
203380 |
|
