18427+0742 HEI 870 Aa,Ab
18h 42m 41.76s +07° 41' 59.5" P.A. 246.00 sep 0.9 mag 12.80,12.80
| Coord 2000 |
18427+0742 |
|
Discov num |
HEI 870 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 42 41.76 +07 41 59.5 |
|
| Date first |
2013 |
|
Date last |
2013 |
|
Obs |
2 |
|
| Pa first |
246 |
|
Pa last |
245.5 |
|
P.A. Now (θ) |
245.5° |
|
| Sep first |
0.9 |
|
Sep last |
0.883 |
|
Sep. Now (ρ) |
0.883" |
|
| Mag pri |
12.80 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18427+0742 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 42 42 +07 41 60 |
HEI 870 Aa,Ab |
2013 |
2 |
246 |
0.9 |
12.80 |
12.80 |
0.00 |
|
<=== |
| Show |
|
|
18 42 42 +07 41 60 |
HEI 870 AB |
2015 |
6 |
347 |
1.7 |
12.00 |
12.60 |
0.60 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
