18311+3215 STF 2333 AD
18h 31m 06.94s +32° 14' 43.4" P.A. 339.00 sep 85.8 mag 7.82,13.70 Sp B9IV dist. 216.92 pc (707.59 l.y.)
Coord 2000 |
18311+3215 |
|
Discov num |
STF2333 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 31 06.94 +32 14 43.4 |
|
Date first |
1952 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
339 |
|
Pa last |
338.8 |
|
P.A. Now (θ) |
338.8° |
|
Sep first |
85.0 |
|
Sep last |
85.769 |
|
Sep. Now (ρ) |
85.769" |
|
Mag pri |
7.82 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
5.88 |
|
Spectral class |
B9IV (blue-white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
+016 |
|
Notes |
|
|
rPM=1.132
This double is not physical.
18311+3215 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 171026 |
67059 |
18 31 07 +32 14 43 |
STF 2333 AB |
2019 |
64 |
333 |
6.3 |
7.82 |
8.57 |
0.75 |
|
|
Show |
|
67059 |
18 31 07 +32 14 43 |
STF 2333 AC |
2015 |
10 |
35 |
164.1 |
7.82 |
12.90 |
5.08 |
|
|
Show |
|
67059 |
18 31 07 +32 14 43 |
STF 2333 AD |
2015 |
8 |
339 |
85.8 |
7.82 |
13.70 |
5.88 |
|
<=== |
Show |
|
|
18 31 07 +32 14 49 |
STF 2333 BC |
2015 |
10 |
37 |
161.1 |
8.57 |
12.90 |
4.33 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
SAO |
67059 |
|
HIP |
90766 |
|
Tycho2 |
2628-00495-1 |
|
Gaia DR2 |
4592126913461440512 |
|
HD |
171026 |
|
BD |
BD+32 3143 |
|
Distance |
216.92 |
|
Distance ly |
707.59 |
|