20446+1642 BPM 2247 AC
20h 44m 34.82s +16° 41' 35.1" P.A. 173.00 sep 116.0 mag 14.42,15.69
| Coord 2000 |
20446+1642 |
|
Discov num |
BPM2247 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 44 34.82 +16 41 35.1 |
|
| Date first |
1993 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
173 |
|
Pa last |
173.1 |
|
P.A. Now (θ) |
173.1° |
|
| Sep first |
115.8 |
|
Sep last |
115.99 |
|
Sep. Now (ρ) |
115.99" |
|
| Mag pri |
14.42 |
|
Mag sec |
15.69 |
|
delta mag (ΔM) |
1.27 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-014 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.542
This double is physical.
20446+1642 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 44 35 +16 41 35 |
BPM 2246 AB |
2015 |
7 |
16 |
90.0 |
14.42 |
15.40 |
0.98 |
|
|
| Show |
|
|
20 44 35 +16 41 35 |
BPM 2247 AC |
2015 |
7 |
173 |
116.0 |
14.42 |
15.69 |
1.27 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1811221316845353728 |
|
