18384+6332 STF 2377 AB (HD 172923)
18h 38m 24.22s +63° 31' 58.3" P.A. 338.00 sep 16.9 mag 6.97,9.83 Sp K2III dist. 602.41 pc (1965.06 l.y.)
| Coord 2000 |
18384+6332 |
|
Discov num |
STF2377 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 38 24.22 +63 31 58.3 |
|
| Date first |
1898 |
|
Date last |
2018 |
|
Obs |
25 |
|
| Pa first |
337 |
|
Pa last |
337.9 |
|
P.A. Now (θ) |
337.9° |
|
| Sep first |
16.8 |
|
Sep last |
16.89 |
|
Sep. Now (ρ) |
16.89" |
|
| Mag pri |
6.97 |
|
Mag sec |
9.83 |
|
delta mag (ΔM) |
2.86 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
+016 |
|
Sec motion dec |
+017 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.085 (< 0.3, Physical double)
This double is physical.
18384+6332 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172923 |
17963 |
18 38 24 +63 31 58 |
STF 2377 AB |
2018 |
25 |
338 |
16.9 |
6.97 |
9.83 |
2.86 |
|
<=== |
| Show |
|
17963 |
18 38 24 +63 31 58 |
WAL 150 AC |
2015 |
8 |
351 |
94.9 |
6.97 |
9.66 |
2.69 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172923 |
|
Constellation |
Draco |
|
SAO |
17963 |
|
HIP |
91393 |
|
| Tycho2 |
4219-01871-1 |
|
Gaia DR2 |
2160231115231121024 |
|
HD |
172923 |
|
GC |
25545 |
|
| BD |
BD+63 1445 |
|
Distance |
602.41 |
|
Distance ly |
1965.06 |
|
