20106+3338 S 738 AB (HD 191812)
20h 10m 35.13s +33° 38' 02.7" P.A. 106.00 sep 42.4 mag 7.76,8.43 Sp B9V dist. 301.2 pc (982.51 l.y.)
Coord 2000 |
20106+3338 |
|
Discov num |
S 738 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 10 35.13 +33 38 02.7 |
|
Date first |
1797 |
|
Date last |
2021 |
|
Obs |
44 |
|
Pa first |
109 |
|
Pa last |
106.2 |
|
P.A. Now (θ) |
106.2° |
|
Sep first |
35.6 |
|
Sep last |
42.37 |
|
Sep. Now (ρ) |
42.37" |
|
Mag pri |
7.76 |
|
Mag sec |
8.43 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
B9V (blue-white) |
|
Pri motion ra |
-011 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
+001 |
|
Notes |
N
Z
(See Notes, Parallax indicates components are physical) |
|
rPM=1.068
This double is physical.
20106+3338 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 191812 |
69553 |
20 10 35 +33 38 03 |
S 738 AB |
2021 |
44 |
106 |
42.4 |
7.76 |
8.43 |
0.67 |
|
<=== |
Show |
|
69554 |
20 10 38 +33 37 51 |
STT 541 BC |
2021 |
26 |
184 |
1.8 |
8.43 |
9.73 |
1.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 191812 |
|
Constellation |
Cygnus |
|
SAO |
69553 |
|
HIP |
99409 |
|
Tycho2 |
2675-03113-1 |
|
Gaia DR2 |
2055252734321284736 |
|
HD |
191812 |
|
GC |
28006 |
|
BD |
BD+33 3778 |
|
Distance |
301.2 |
|
Distance ly |
982.51 |
|