20116-0609 BU 833 AB (HD 191722)
20h 11m 36.08s -06° 08' 59.8" P.A. 63.00 sep 127.0 mag 8.35,9.21 Sp F5
| Coord 2000 |
20116-0609 |
|
Discov num |
BU 833 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 11 36.08 -06 08 59.8 |
|
| Date first |
1881 |
|
Date last |
2015 |
|
Obs |
18 |
|
| Pa first |
64 |
|
Pa last |
63.2 |
|
P.A. Now (θ) |
63.2° |
|
| Sep first |
118.6 |
|
Sep last |
127.04 |
|
Sep. Now (ρ) |
127.04" |
|
| Mag pri |
8.35 |
|
Mag sec |
9.21 |
|
delta mag (ΔM) |
0.86 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+025 |
|
Sec motion ra |
+085 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
+013 |
|
| Notes |
|
|
rPM=0.756
Nature of this double is uncertain.
20116-0609 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 191722 |
144153 |
20 11 36 -06 08 60 |
BU 833 AB |
2015 |
18 |
63 |
127.0 |
8.35 |
9.21 |
0.86 |
|
<=== |
| Show |
|
144153 |
20 11 36 -06 08 60 |
BU 833 AD |
2015 |
9 |
352 |
43.6 |
8.35 |
13.89 |
5.54 |
|
|
| Show |
|
144158 |
20 11 44 -06 08 02 |
BU 833 BC |
2016 |
11 |
63 |
2.8 |
9.21 |
12.60 |
3.39 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 191722 |
|
Constellation |
Aquila |
|
SAO |
144153 |
|
Tycho2 |
5173-01471-1 |
|
| Gaia DR2 |
4217371534913920128 |
|
HD |
191722 |
|
GC |
28016 |
|