18389+5221 STF 2368 AC
18h 38m 51.27s +52° 20' 38.2" P.A. 125.00 sep 36.6 mag 7.63,12.33 Sp A3 dist. 263.16 pc (858.43 l.y.)
| Coord 2000 |
18389+5221 |
|
Discov num |
STF2368 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 38 51.27 +52 20 38.2 |
|
| Date first |
1887 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
131 |
|
Pa last |
124.8 |
|
P.A. Now (θ) |
124.8° |
|
| Sep first |
44.3 |
|
Sep last |
36.572 |
|
Sep. Now (ρ) |
36.572" |
|
| Mag pri |
7.63 |
|
Mag sec |
12.33 |
|
delta mag (ΔM) |
4.7 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-012 |
|
| Notes |
N
(See Notes) |
|
rPM=0.825
This double is not physical.
18389+5221 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172712 |
31086 |
18 38 51 +52 20 38 |
STF 2368 AB |
2017 |
94 |
321 |
1.9 |
7.63 |
7.77 |
0.14 |
|
|
| Show |
|
31086 |
18 38 51 +52 20 38 |
STF 2368 AC |
2015 |
11 |
125 |
36.6 |
7.63 |
12.33 |
4.70 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
31086 |
|
HIP |
91436 |
|
Tycho2 |
3539-00897-1 |
|
| Gaia DR2 |
2145517622427994624 |
|
HD |
172712 |
|
BD |
BD+52 2258 |
|
Distance |
263.16 |
|
| Distance ly |
858.43 |
|
