18093+5945 STF 2300 AB (HD 238823)
18h 09m 18.77s +59° 45' 02.9" P.A. 51.00 sep 12.1 mag 9.24,11.12 Sp A2
| Coord 2000 |
18093+5945 |
|
Discov num |
STF2300 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 09 18.77 +59 45 02.9 |
|
| Date first |
1901 |
|
Date last |
2008 |
|
Obs |
24 |
|
| Pa first |
40 |
|
Pa last |
50.8 |
|
P.A. Now (θ) |
50.8° |
|
| Sep first |
17.6 |
|
Sep last |
12.07 |
|
Sep. Now (ρ) |
12.07" |
|
| Mag pri |
9.24 |
|
Mag sec |
11.12 |
|
delta mag (ΔM) |
1.88 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
+029 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=0.953
This double is not physical.
18093+5945 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 238823 |
30778 |
18 09 19 +59 45 03 |
STF 2300 AB |
2008 |
24 |
51 |
12.1 |
9.24 |
11.12 |
1.88 |
|
<=== |
| Show |
|
30778 |
18 09 19 +59 45 03 |
STF 2300 AD |
2015 |
20 |
89 |
24.7 |
9.24 |
11.86 |
2.62 |
|
|
| Show |
|
|
18 09 20 +59 45 13 |
A 239 BC |
2016 |
10 |
188 |
3.9 |
11.12 |
13.40 |
2.28 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 238823 |
|
Constellation |
Draco |
|
SAO |
30778 |
|
Tycho2 |
3915-01881-1 |
|
| Gaia DR2 |
2158445813288860544 |
|
HD |
238823 |
|
GC |
24797 |
|
ADS |
11129 |
|
