20396+4035 STT 410 AB,C
20h 39m 33.31s +40° 34' 46.8" P.A. 70.00 sep 68.6 mag 6.76,8.72 Sp B8IIIpMn dist. 283.29 pc (924.09 l.y.)
| Coord 2000 |
20396+4035 |
|
Discov num |
STT 410 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
20 39 33.31 +40 34 46.8 |
|
| Date first |
1851 |
|
Date last |
2018 |
|
Obs |
33 |
|
| Pa first |
70 |
|
Pa last |
69.6 |
|
P.A. Now (θ) |
69.6° |
|
| Sep first |
69.0 |
|
Sep last |
68.553 |
|
Sep. Now (ρ) |
68.553" |
|
| Mag pri |
6.76 |
|
Mag sec |
8.72 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
B8IIIpMn (blue-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=0.389
Nature of this double is uncertain.
20396+4035 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 197018 |
49899 |
20 39 33 +40 34 47 |
STT 410 AB |
2018 |
146 |
3 |
0.9 |
6.73 |
6.83 |
0.10 |
Y |
|
| Show |
|
49899 |
20 39 33 +40 34 47 |
STT 410 AB,C |
2018 |
33 |
70 |
68.6 |
6.76 |
8.72 |
1.96 |
|
<=== |
| Show |
|
49899 |
20 39 33 +40 34 47 |
STT 410 AB,D |
2018 |
14 |
327 |
106.6 |
6.76 |
10.02 |
3.26 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
49899 |
|
HIP |
101949 |
|
Tycho2 |
3157-01482-1 |
|
| Gaia DR2 |
2064603324789659008 |
|
HD |
197018 |
|
HR |
7911 |
|
ADS |
14126 |
|
| BD |
BD+40 4266 |
|
Distance |
283.29 |
|
Distance ly |
924.09 |
|
