21568+0017 LAW 29 AB
21h 56m 48.31s +00° 17' 01.0" P.A. 249.00 sep 19.6 mag 16.61,18.84 Sp M3.0+M5.0
Coord 2000 |
21568+0017 |
|
Discov num |
LAW 29 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 56 48.31 +00 17 01.0 |
|
Date first |
1996 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
249 |
|
Pa last |
248.7 |
|
P.A. Now (θ) |
248.7° |
|
Sep first |
19.7 |
|
Sep last |
19.584 |
|
Sep. Now (ρ) |
19.584" |
|
Mag pri |
16.61 |
|
Mag sec |
18.84 |
|
delta mag (ΔM) |
2.23 |
|
Spectral class |
M3.0+M5.0 (red/red) |
|
Pri motion ra |
-030 |
|
Sec motion ra |
-038 |
|
Pri motion dec |
-058 |
|
Sec motion dec |
-058 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.115 (< 0.3, Physical double)
This double is physical.
21568+0017 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 56 48 +00 17 01 |
LAW 29 Aa,Ab |
2008 |
2 |
126 |
0.1 |
16.61 |
|
|
|
|
Show |
|
|
21 56 48 +00 17 01 |
LAW 29 AB |
2016 |
9 |
249 |
19.6 |
16.61 |
18.84 |
2.23 |
|
<=== |
Show |
|
|
21 56 47 +00 16 54 |
LAW 29 Ba,Bb |
2008 |
2 |
149 |
0.1 |
18.84 |
|
|
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Gaia DR2 |
2681344406401415680 |
|