13477+2128 HDS 1939 AB
13h 47m 42.40s +21° 27' 37.7" P.A. 151.00 sep 1.3 mag 11.47,13.74 Sp M0 dist. 28.03 pc (91.43 l.y.)
Coord 2000 |
13477+2128 |
|
Discov num |
HDS1939 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 47 42.40 +21 27 37.7 |
|
Date first |
1991 |
|
Date last |
2018 |
|
Obs |
14 |
|
Pa first |
145 |
|
Pa last |
151.2 |
|
P.A. Now (θ) |
151.2° |
|
Sep first |
1.1 |
|
Sep last |
1.28 |
|
Sep. Now (ρ) |
1.28" |
|
Mag pri |
11.47 |
|
Mag sec |
13.74 |
|
delta mag (ΔM) |
2.27 |
|
Spectral class |
M0 (red) |
|
Pri motion ra |
+080 |
|
Sec motion ra |
+075 |
|
Pri motion dec |
-088 |
|
Sec motion dec |
-083 |
|
Notes |
|
|
rPM=0.059 (< 0.3, Physical double)
This double is physical.
13477+2128 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
13 47 42 +21 27 38 |
GII 198 Aa,Ab |
2013 |
1 |
123 |
0.2 |
12.20 |
12.20 |
0.00 |
|
|
Show |
|
|
13 47 42 +21 27 38 |
HDS 1939 AB |
2018 |
14 |
151 |
1.3 |
11.47 |
13.74 |
2.27 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Bootes |
|
HIP |
67309 |
|
Tycho2 |
1466-00272-3 |
|
BD |
BD+22 2632 |
|
Distance |
28.03 |
|
Distance ly |
91.43 |
|