20446+1635 BPM 2250 BC
20h 44m 42.78s +16° 34' 33.6" P.A. 332.00 sep 117.2 mag 15.56,15.41
Coord 2000 |
20446+1635 |
|
Discov num |
BPM2250 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 44 42.78 +16 34 33.6 |
|
Date first |
1988 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
332 |
|
Pa last |
331.9 |
|
P.A. Now (θ) |
331.9° |
|
Sep first |
117.1 |
|
Sep last |
117.163 |
|
Sep. Now (ρ) |
117.163" |
|
Mag pri |
15.56 |
|
Mag sec |
15.41 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
|
|
Pri motion ra |
-010 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.093 (< 0.3, Physical double)
This double is physical.
20446+1635 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 44 35 +16 34 44 |
BPM 2248 AB |
2015 |
7 |
95 |
107.8 |
15.20 |
15.56 |
0.36 |
|
|
Show |
|
|
20 44 35 +16 34 44 |
BPM 2249 AC |
2015 |
7 |
29 |
107.0 |
15.20 |
15.41 |
0.21 |
|
|
Show |
|
|
20 44 43 +16 34 34 |
BPM 2250 BC |
2015 |
7 |
332 |
117.2 |
15.56 |
15.41 |
0.15 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1811079136248531328 |
|