20233+1515 BPM 2138 AB
20h 23m 16.27s +15° 14' 47.3" P.A. 179.00 sep 54.0 mag 12.57,14.84
| Coord 2000 |
20233+1515 |
|
Discov num |
BPM2138 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 23 16.27 +15 14 47.3 |
|
| Date first |
1970 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
179 |
|
Pa last |
178.7 |
|
P.A. Now (θ) |
178.7° |
|
| Sep first |
53.8 |
|
Sep last |
54.001 |
|
Sep. Now (ρ) |
54.001" |
|
| Mag pri |
12.57 |
|
Mag sec |
14.84 |
|
delta mag (ΔM) |
2.27 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-008 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.901
This double is physical.
20233+1515 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 23 16 +15 14 47 |
BPM 2138 AB |
2015 |
8 |
179 |
54.0 |
12.57 |
14.84 |
2.27 |
|
<=== |
| Show |
|
|
20 23 16 +15 14 47 |
BPM 2139 AC |
2015 |
8 |
359 |
111.7 |
12.57 |
15.44 |
2.87 |
|
|
| Show |
|
|
20 23 16 +15 13 53 |
BPM 2140 BD |
2015 |
8 |
306 |
82.6 |
14.84 |
14.25 |
0.59 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1805667030781232256 |
|
