17519+0724 SKF 1858 AB,C (HD 162670)
17h 51m 55.85s +07° 23' 47.5" P.A. 87.00 sep 45.4 mag 8.15,10.29 Sp B7IV+A2 dist. 1219.51 pc (3978.04 l.y.)
Coord 2000 |
17519+0724 |
|
Discov num |
SKF1858 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
17 51 55.85 +07 23 47.5 |
|
Date first |
1911 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
87 |
|
Pa last |
87 |
|
P.A. Now (θ) |
87° |
|
Sep first |
45.5 |
|
Sep last |
45.394 |
|
Sep. Now (ρ) |
45.394" |
|
Mag pri |
8.15 |
|
Mag sec |
10.29 |
|
delta mag (ΔM) |
2.14 |
|
Spectral class |
B7IV+A2 (blue-white/white) |
|
Pri motion ra |
-000 |
|
Sec motion ra |
-000 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.222 (< 0.3, Physical double)
This double is physical.
17519+0724 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
122845 |
17 51 56 +07 23 48 |
A 1164 AB |
2016 |
41 |
42 |
0.4 |
8.48 |
9.51 |
1.03 |
|
|
Show |
HD 162670 |
122845 |
17 51 56 +07 23 48 |
SKF 1858 AB,C |
2015 |
13 |
87 |
45.4 |
8.15 |
10.29 |
2.14 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 162670 |
|
Constellation |
Ophiuchus |
|
SAO |
122845 |
|
HIP |
87423 |
|
Tycho2 |
0428-00536-1 |
|
Gaia DR2 |
4475843525778524032 |
|
HD |
162670 |
|
BD |
BD+07 3488 |
|
Distance |
1219.51 |
|
Distance ly |
3978.04 |
|