17085-2013 BU 1457 AC
17h 08m 32.47s -20° 13' 03.0" P.A. 263.00 sep 24.9 mag 7.81,13.50 Sp A0IV dist. 163.67 pc (533.89 l.y.)
Coord 2000 |
17085-2013 |
|
Discov num |
BU 1457 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 08 32.47 -20 13 03.0 |
|
Date first |
1906 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
265 |
|
Pa last |
262.9 |
|
P.A. Now (θ) |
262.9° |
|
Sep first |
22.0 |
|
Sep last |
24.904 |
|
Sep. Now (ρ) |
24.904" |
|
Mag pri |
7.81 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
5.69 |
|
Spectral class |
A0IV (white) |
|
Pri motion ra |
+008 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
+005 |
|
Notes |
|
|
rPM=1.189
This double is not physical.
17085-2013 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 154831 |
185067 |
17 08 32 -20 13 03 |
HJ 4922 AB |
2015 |
9 |
311 |
22.9 |
7.81 |
11.31 |
3.50 |
|
|
Show |
|
185067 |
17 08 32 -20 13 03 |
BU 1457 AC |
2015 |
4 |
263 |
24.9 |
7.81 |
13.50 |
5.69 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
SAO |
185067 |
|
HIP |
83873 |
|
Tycho2 |
6240-00463-1 |
|
Gaia DR2 |
4128191516876684672 |
|
HD |
154831 |
|
BD |
BD-20 4646 |
|
Distance |
163.67 |
|
Distance ly |
533.89 |
|