13454+2857 LAW 20 AB
13h 45m 25.97s +28° 57' 23.5" P.A. 89.00 sep 20.3 mag 15.00,16.30 Sp M2.5+M3.0
| Coord 2000 |
13454+2857 |
|
Discov num |
LAW 20 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 45 25.97 +28 57 23.5 |
|
| Date first |
1950 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
89 |
|
Pa last |
89.3 |
|
P.A. Now (θ) |
89.3° |
|
| Sep first |
20.6 |
|
Sep last |
20.323 |
|
Sep. Now (ρ) |
20.323" |
|
| Mag pri |
15.00 |
|
Mag sec |
16.30 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
M2.5+M3.0 (red/red) |
|
| Pri motion ra |
-080 |
|
Sec motion ra |
-083 |
|
| Pri motion dec |
+034 |
|
Sec motion dec |
+034 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.033 (< 0.3, Physical double)
This double is physical.
13454+2857 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
13 45 26 +28 57 24 |
LAW 20 Aa,Ab |
2018 |
3 |
69 |
0.1 |
14.58 |
|
|
|
|
| Show |
|
|
13 45 26 +28 57 24 |
LAW 20 AB |
2015 |
12 |
89 |
20.3 |
15.00 |
16.30 |
1.30 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Canes Venatici |
|
Gaia DR2 |
1454873721451804928 |
|
