18569+1546 L 42 AC
18h 56m 54.19s +15° 45' 48.1" P.A. 47.00 sep 13.7 mag 9.50,16.20 Sp K2
| Coord 2000 |
18569+1546 |
|
Discov num |
L 42 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 56 54.19 +15 45 48.1 |
|
| Date first |
1997 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
59 |
|
Pa last |
47.1 |
|
P.A. Now (θ) |
47.1° |
|
| Sep first |
15.3 |
|
Sep last |
13.722 |
|
Sep. Now (ρ) |
13.722" |
|
| Mag pri |
9.50 |
|
Mag sec |
16.20 |
|
delta mag (ΔM) |
6.7 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-030 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18569+1546 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 56 54 +15 45 48 |
L 42 AB |
1975 |
3 |
35 |
1.8 |
9.50 |
10.50 |
1.00 |
|
|
| Show |
|
|
18 56 54 +15 45 48 |
L 42 AC |
2016 |
2 |
47 |
13.7 |
9.50 |
16.20 |
6.70 |
|
<=== |
| Show |
|
|
18 56 54 +15 45 48 |
L 42 AD |
2016 |
5 |
357 |
15.6 |
9.25 |
13.73 |
4.48 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
