17085-2013 HJ 4922 AB (HD 154831)
17h 08m 32.47s -20° 13' 03.0" P.A. 311.00 sep 22.9 mag 7.81,11.31 Sp A0IV dist. 163.67 pc (533.89 l.y.)
| Coord 2000 |
17085-2013 |
|
Discov num |
HJ 4922 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 08 32.47 -20 13 03.0 |
|
| Date first |
1836 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
314 |
|
Pa last |
310.6 |
|
P.A. Now (θ) |
310.6° |
|
| Sep first |
25.0 |
|
Sep last |
22.944 |
|
Sep. Now (ρ) |
22.944" |
|
| Mag pri |
7.81 |
|
Mag sec |
11.31 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
A0IV (white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.947
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
| Name |
HD 154831 |
|
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 |
|
