18028-4601 B 1874 AC
18h 02m 46.33s -46° 01' 20.1" P.A. 101.00 sep 9.6 mag 9.59,13.19 Sp F3IV/V dist. 306.75 pc (1000.62 l.y.)
| Coord 2000 |
18028-4601 |
|
Discov num |
B 1874 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 02 46.33 -46 01 20.1 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
105 |
|
Pa last |
100.7 |
|
P.A. Now (θ) |
100.7° |
|
| Sep first |
9.8 |
|
Sep last |
9.647 |
|
Sep. Now (ρ) |
9.647" |
|
| Mag pri |
9.59 |
|
Mag sec |
13.19 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
F3IV/V (yellow-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+043 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-039 |
|
| Notes |
|
|
rPM=0.694
Nature of this double is uncertain.
18028-4601 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 164324 |
228649 |
18 02 46 -46 01 20 |
B 1874 AB |
2016 |
4 |
309 |
2.8 |
9.59 |
12.06 |
2.47 |
|
|
| Show |
|
228649 |
18 02 46 -46 01 20 |
B 1874 AC |
2015 |
7 |
101 |
9.6 |
9.59 |
13.19 |
3.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ara |
|
SAO |
228649 |
|
HIP |
88375 |
|
Tycho2 |
8357-02243-1 |
|
| Gaia DR2 |
6720513934287839488 |
|
HD |
164324 |
|
CD |
CD-4612055 |
|
CP |
CP-46 9058 |
|
| Distance |
306.75 |
|
Distance ly |
1000.62 |
|
