18239+5848 STF 2323 AH
18h 23m 54.65s +58° 48' 02.1" P.A. 93.00 sep 44.2 mag 5.06,14.40 Sp A1V dist. 56.47 pc (184.21 l.y.)
| Coord 2000 |
18239+5848 |
|
Discov num |
STF2323 |
|
Comp |
AH |
|
Coord arcsec 2000 |
18 23 54.65 +58 48 02.1 |
|
| Date first |
1918 |
|
Date last |
2000 |
|
Obs |
2 |
|
| Pa first |
86 |
|
Pa last |
92.8 |
|
P.A. Now (θ) |
92.8° |
|
| Sep first |
41.3 |
|
Sep last |
44.17 |
|
Sep. Now (ρ) |
44.17" |
|
| Mag pri |
5.06 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
9.34 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-037 |
|
Sec motion ra |
|
|
| Pri motion dec |
+062 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18239+5848 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
39 Dra |
30949 |
18 23 55 +58 48 02 |
STF 2323 AB |
2020 |
146 |
348 |
3.6 |
5.06 |
8.07 |
3.01 |
Y |
|
| Show |
|
30949 |
18 23 55 +58 48 02 |
STF 2323 AC |
2020 |
67 |
20 |
88.9 |
5.06 |
7.95 |
2.89 |
|
|
| Show |
|
30949 |
18 23 55 +58 48 02 |
STF 2323 AF |
2008 |
3 |
80 |
150.5 |
5.06 |
12.90 |
7.84 |
|
|
| Show |
|
30949 |
18 23 55 +58 48 02 |
STF 2323 AG |
2003 |
3 |
244 |
35.8 |
5.06 |
13.30 |
8.24 |
|
|
| Show |
|
30949 |
18 23 55 +58 48 02 |
STF 2323 AH |
2000 |
2 |
93 |
44.2 |
5.06 |
14.40 |
9.34 |
|
<=== |
| Show |
|
30950 |
18 23 55 +58 48 06 |
STF 2323 BC |
2017 |
36 |
20 |
86.5 |
8.07 |
7.95 |
0.12 |
|
|
| Show |
|
30950 |
18 23 58 +58 49 26 |
STF 2323 CD |
2015 |
10 |
68 |
198.2 |
7.90 |
11.00 |
3.10 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
30949 |
|
HIP |
90156 |
|
Tycho2 |
3916-01982-1 |
|
| Gaia DR2 |
2157548616097840000 |
|
HD |
170073 |
|
HR |
6923 |
|
GC |
25151 |
|
| ADS |
11336 |
|
BD |
BD+58 1809 |
|
Flamsteed |
39 Draconis |
|
Flamsteed name |
39 Dra |
|
| Distance |
56.47 |
|
Distance ly |
184.21 |
|
