17086-2650 SEE 319 AB (HD 154781)
17h 08m 36.61s -26° 50' 12.3" P.A. 211.00 sep 7.6 mag 8.69,11.82 Sp B9IV dist. 288.18 pc (940.04 l.y.)
Coord 2000 |
17086-2650 |
|
Discov num |
SEE 319 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 08 36.61 -26 50 12.3 |
|
Date first |
1897 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
208 |
|
Pa last |
210.5 |
|
P.A. Now (θ) |
210.5° |
|
Sep first |
7.4 |
|
Sep last |
7.626 |
|
Sep. Now (ρ) |
7.626" |
|
Mag pri |
8.69 |
|
Mag sec |
11.82 |
|
delta mag (ΔM) |
3.13 |
|
Spectral class |
B9IV (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=0.462
Nature of this double is uncertain.
17086-2650 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
185065 |
17 08 37 -26 50 12 |
SEE 319 Aa,Ab |
2021 |
6 |
326 |
0.0 |
9.10 |
9.90 |
0.80 |
|
|
Show |
HD 154781 |
185065 |
17 08 37 -26 50 12 |
SEE 319 AB |
2015 |
9 |
211 |
7.6 |
8.69 |
11.82 |
3.13 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 154781 |
|
Constellation |
Ophiuchus |
|
SAO |
185065 |
|
HIP |
83878 |
|
Tycho2 |
6819-06951-1 |
|
Gaia DR2 |
4108856879785431168 |
|
HD |
154781 |
|
CD |
CD-2611936 |
|
CP |
CP-26 5824 |
|
Distance |
288.18 |
|
Distance ly |
940.04 |
|