20066+0735 STTA 198 AB (HD 190849)
20h 06m 38.76s +07° 34' 34.2" P.A. 185.00 sep 64.6 mag 7.12,7.55 Sp A2V+A3V dist. 110.99 pc (362.05 l.y.)
Coord 2000 |
20066+0735 |
|
Discov num |
STTA198 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 06 38.76 +07 34 34.2 |
|
Date first |
1875 |
|
Date last |
2018 |
|
Obs |
40 |
|
Pa first |
186 |
|
Pa last |
185 |
|
P.A. Now (θ) |
185° |
|
Sep first |
65.2 |
|
Sep last |
64.6 |
|
Sep. Now (ρ) |
64.6" |
|
Mag pri |
7.12 |
|
Mag sec |
7.55 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
A2V+A3V (white/white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-022 |
|
Sec motion dec |
-019 |
|
Notes |
N
Z
(See Notes, Parallax indicates components are physical) |
|
rPM=0.265 (< 0.3, Physical double)
This double is physical.
20066+0735 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 190849 |
125456 |
20 06 39 +07 34 34 |
STTA 198 AB |
2018 |
40 |
185 |
64.6 |
7.12 |
7.55 |
0.43 |
|
<=== |
Show |
|
125456 |
20 06 39 +07 34 34 |
STTA 198 AC |
2019 |
12 |
173 |
35.1 |
7.12 |
13.40 |
6.28 |
|
|
Show |
|
125456 |
20 06 39 +07 34 34 |
GMC 6 AD |
2016 |
8 |
316 |
33.8 |
7.12 |
13.90 |
6.78 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 190849 |
|
Constellation |
Aquila |
|
SAO |
125456 |
|
HIP |
99054 |
|
Tycho2 |
1072-02229-1 |
|
Gaia DR2 |
4250687252639518720 |
|
HD |
190849 |
|
GC |
27895 |
|
BD |
BD+07 4366 |
|
Distance |
110.99 |
|
Distance ly |
362.05 |
|