20102+1723 BPM 2042 CD
20h 10m 16.58s +17° 21' 09.0" P.A. 104.00 sep 103.5 mag 15.74,15.57
| Coord 2000 |
20102+1723 |
|
Discov num |
BPM2042 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 10 16.58 +17 21 09.0 |
|
| Date first |
1989 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
104 |
|
Pa last |
103.8 |
|
P.A. Now (θ) |
103.8° |
|
| Sep first |
103.2 |
|
Sep last |
103.474 |
|
Sep. Now (ρ) |
103.474" |
|
| Mag pri |
15.74 |
|
Mag sec |
15.57 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-004 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.76
This double is physical.
20102+1723 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 10 11 +17 22 46 |
BPM 2040 AB |
2015 |
8 |
78 |
72.5 |
14.76 |
14.95 |
0.19 |
|
|
| Show |
|
|
20 10 16 +17 23 00 |
BPM 2041 BC |
2015 |
8 |
175 |
111.1 |
14.95 |
15.74 |
0.79 |
|
|
| Show |
|
|
20 10 17 +17 21 09 |
BPM 2042 CD |
2015 |
8 |
104 |
103.5 |
15.74 |
15.57 |
0.17 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1809759516149567104 |
|
