21164-0003 LYS 42 AD
21h 16m 23.89s -00° 02' 18.6" P.A. 170.00 sep 69.9 mag 10.86,12.81
| Coord 2000 |
21164-0003 |
|
Discov num |
LYS 42 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 16 23.89 -00 02 18.6 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
170 |
|
Pa last |
170.1 |
|
P.A. Now (θ) |
170.1° |
|
| Sep first |
69.9 |
|
Sep last |
69.867 |
|
Sep. Now (ρ) |
69.867" |
|
| Mag pri |
10.86 |
|
Mag sec |
12.81 |
|
delta mag (ΔM) |
1.95 |
|
Spectral class |
|
|
| Pri motion ra |
+016 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.781
Nature of this double is uncertain.
21164-0003 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 16 24 -00 02 19 |
LYS 42 AB |
2016 |
10 |
188 |
6.2 |
10.86 |
13.40 |
2.54 |
|
|
| Show |
|
|
21 16 24 -00 02 19 |
LYS 42 AC |
2014 |
11 |
108 |
55.7 |
10.86 |
11.37 |
0.51 |
|
|
| Show |
|
|
21 16 24 -00 02 19 |
LYS 42 AD |
2015 |
8 |
170 |
69.9 |
10.86 |
12.81 |
1.95 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
Gaia DR2 |
2689541574824948096 |
|
