21079-1013 BU 473 AB (HD 201102)
21h 07m 52.88s -10° 12' 42.7" P.A. 117.00 sep 2.1 mag 8.86,9.98 Sp G0 dist. 74.63 pc (243.44 l.y.)
| Coord 2000 |
21079-1013 |
|
Discov num |
BU 473 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 07 52.88 -10 12 42.7 |
|
| Date first |
1876 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
115 |
|
Pa last |
117.4 |
|
P.A. Now (θ) |
117.4° |
|
| Sep first |
1.7 |
|
Sep last |
2.07 |
|
Sep. Now (ρ) |
2.07" |
|
| Mag pri |
8.86 |
|
Mag sec |
9.98 |
|
delta mag (ΔM) |
1.12 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-120 |
|
Sec motion ra |
-117 |
|
| Pri motion dec |
-110 |
|
Sec motion dec |
-115 |
|
| Notes |
|
|
rPM=0.036 (< 0.3, Physical double)
This double is physical.
21079-1013 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 201102 |
|
21 07 53 -10 12 43 |
BU 473 AB |
2016 |
18 |
117 |
2.1 |
8.86 |
9.98 |
1.12 |
|
<=== |
| Show |
|
|
21 07 53 -10 12 43 |
BU 473 AC |
2014 |
5 |
16 |
39.0 |
8.86 |
13.50 |
4.64 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 201102 |
|
Constellation |
Aquarius |
|
HIP |
104310 |
|
Tycho2 |
5775-01189-1 |
|
| Gaia DR2 |
6896184315785278464 |
|
HD |
201102 |
|
BD |
BD-10 5606 |
|
Distance |
74.63 |
|
| Distance ly |
243.44 |
|
