20102+1723 BPM 2040 AB
20h 10m 10.96s +17° 22' 45.5" P.A. 78.00 sep 72.5 mag 14.76,14.95
Coord 2000 |
20102+1723 |
|
Discov num |
BPM2040 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 10 10.96 +17 22 45.5 |
|
Date first |
1994 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
78 |
|
Pa last |
78.3 |
|
P.A. Now (θ) |
78.3° |
|
Sep first |
72.4 |
|
Sep last |
72.494 |
|
Sep. Now (ρ) |
72.494" |
|
Mag pri |
14.76 |
|
Mag sec |
14.95 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-008 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.939
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 |
1809760546941750656 |
|