18573+6224 STF 2440 AB (HD 176668)
18h 57m 17.34s +62° 23' 48.7" P.A. 122.00 sep 17.4 mag 6.59,9.61 Sp G8III dist. 95.42 pc (311.26 l.y.)
| Coord 2000 |
18573+6224 |
|
Discov num |
STF2440 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 57 17.34 +62 23 48.7 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
33 |
|
| Pa first |
126 |
|
Pa last |
122.2 |
|
P.A. Now (θ) |
122.2° |
|
| Sep first |
16.5 |
|
Sep last |
17.362 |
|
Sep. Now (ρ) |
17.362" |
|
| Mag pri |
6.59 |
|
Mag sec |
9.61 |
|
delta mag (ΔM) |
3.02 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-041 |
|
Sec motion dec |
-042 |
|
| Notes |
N
(See Notes) |
|
rPM=0.052 (< 0.3, Physical double)
This double is physical.
18573+6224 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 176668 |
18082 |
18 57 17 +62 23 49 |
STF 2440 AB |
2015 |
33 |
122 |
17.4 |
6.59 |
9.61 |
3.02 |
|
<=== |
| Show |
|
18082 |
18 57 17 +62 23 49 |
STF 2440 AC |
2015 |
9 |
60 |
161.0 |
6.59 |
10.92 |
4.33 |
|
|
| Show |
|
18082 |
18 57 17 +62 23 49 |
WAL 98 AD |
2015 |
4 |
71 |
53.9 |
6.59 |
13.45 |
6.86 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 176668 |
|
Constellation |
Draco |
|
SAO |
18082 |
|
HIP |
93053 |
|
| Tycho2 |
4220-01507-1 |
|
Gaia DR2 |
2252961417657939840 |
|
HD |
176668 |
|
HR |
7191 |
|
| GC |
26074 |
|
ADS |
11901 |
|
BD |
BD+62 1669 |
|
Distance |
95.42 |
|
| Distance ly |
311.26 |
|
