20588-0921 BU 764 AB,D
20h 58m 50.58s -09° 21' 04.6" P.A. 21.00 sep 136.2 mag 9.80,9.18 Sp F8
| Coord 2000 |
20588-0921 |
|
Discov num |
BU 764 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
20 58 50.58 -09 21 04.6 |
|
| Date first |
1879 |
|
Date last |
2014 |
|
Obs |
22 |
|
| Pa first |
22 |
|
Pa last |
20.8 |
|
P.A. Now (θ) |
20.8° |
|
| Sep first |
140.0 |
|
Sep last |
136.192 |
|
Sep. Now (ρ) |
136.192" |
|
| Mag pri |
9.80 |
|
Mag sec |
9.18 |
|
delta mag (ΔM) |
0.62 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-038 |
|
Sec motion dec |
-043 |
|
| Notes |
|
|
rPM=0.198 (< 0.3, Physical double)
This double is physical.
20588-0921 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 199634 |
144995 |
20 58 51 -09 21 05 |
BU 764 AB |
2017 |
16 |
1 |
0.7 |
9.80 |
9.73 |
0.07 |
|
|
| Show |
|
144999 |
20 58 51 -09 21 05 |
BU 764 AB,C |
2018 |
23 |
110 |
102.8 |
9.80 |
9.60 |
0.20 |
|
|
| Show |
|
144996 |
20 58 51 -09 21 05 |
BU 764 AB,D |
2014 |
22 |
21 |
136.2 |
9.80 |
9.18 |
0.62 |
|
<=== |
| Show |
|
|
20 58 51 -09 21 05 |
BU 764 AB,E |
2018 |
11 |
86 |
54.5 |
9.80 |
12.10 |
2.30 |
|
|
| Show |
|
144999 |
20 58 57 -09 21 40 |
BU 764 CE |
2018 |
8 |
312 |
57.3 |
9.60 |
12.10 |
2.50 |
|
|
| Show |
|
144996 |
20 58 54 -09 18 57 |
BU 764 DE |
2015 |
6 |
177 |
124.3 |
9.18 |
12.10 |
2.92 |
|
|
| Show |
|
144996 |
20 58 54 -09 18 57 |
BOO 1 DF |
2018 |
7 |
195 |
18.3 |
9.18 |
14.50 |
5.32 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
144996 |
|
Tycho2 |
5770-00044-1 |
|
Gaia DR2 |
6902539282540411904 |
|
| HD |
199653 |
|
