17116-2642 BU 956 AB (HD 155270)
17h 11m 36.77s -26° 42' 08.8" P.A. 170.00 sep 0.9 mag 8.05,9.21 Sp A6V dist. 552.49 pc (1802.22 l.y.)
Coord 2000 |
17116-2642 |
|
Discov num |
BU 956 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 11 36.77 -26 42 08.8 |
|
Date first |
1880 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
163 |
|
Pa last |
170.4 |
|
P.A. Now (θ) |
170.4° |
|
Sep first |
0.6 |
|
Sep last |
0.946 |
|
Sep. Now (ρ) |
0.946" |
|
Mag pri |
8.05 |
|
Mag sec |
9.21 |
|
delta mag (ΔM) |
1.16 |
|
Spectral class |
A6V (white) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
|
|
Nature of this double is uncertain.
17116-2642 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 155270 |
185126 |
17 11 37 -26 42 09 |
BU 956 AB |
2016 |
16 |
170 |
0.9 |
8.05 |
9.21 |
1.16 |
|
<=== |
Show |
|
185126 |
17 11 37 -26 42 09 |
BU 956 AC |
2000 |
6 |
146 |
66.3 |
8.05 |
11.25 |
3.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 155270 |
|
Constellation |
Ophiuchus |
|
SAO |
185126 |
|
HIP |
84103 |
|
Tycho2 |
6820-00264-1 |
|
Gaia DR2 |
4108875816374687616 |
|
HD |
155270 |
|
GC |
23179 |
|
ADS |
10384 |
|
CD |
CD-2611981 |
|
Distance |
552.49 |
|
Distance ly |
1802.22 |
|