05176-0651 HJ 2259 AD
05h 17m 36.40s -06° 50' 39.8" P.A. 61.00 sep 35.4 mag 3.60,10.90 Sp B5III dist. 151.52 pc (494.26 l.y.)
Coord 2000 |
05176-0651 |
|
Discov num |
HJ 2259 |
|
Comp |
AD |
|
Coord arcsec 2000 |
05 17 36.40 -06 50 39.8 |
|
Date first |
1868 |
|
Date last |
2011 |
|
Obs |
15 |
|
Pa first |
61 |
|
Pa last |
60.9 |
|
P.A. Now (θ) |
60.9° |
|
Sep first |
36.0 |
|
Sep last |
35.35 |
|
Sep. Now (ρ) |
35.35" |
|
Mag pri |
3.60 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
7.3 |
|
Spectral class |
B5III (blue-white) |
|
Pri motion ra |
-018 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-008 |
|
Notes |
N
(See Notes) |
|
rPM=0.205 (< 0.3, Physical double)
This double is physical.
05176-0651 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tau Ori |
131952 |
05 17 36 -06 50 40 |
H 5 25 AB |
2011 |
14 |
251 |
33.3 |
3.60 |
11.00 |
7.40 |
|
|
Show |
|
131952 |
05 17 36 -06 50 40 |
HJ 2259 AD |
2011 |
15 |
61 |
35.4 |
3.60 |
10.90 |
7.30 |
|
<=== |
Show |
|
|
05 17 34 -06 50 51 |
BU 188 BC |
2016 |
12 |
52 |
3.9 |
11.00 |
10.90 |
0.10 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Orion |
|
SAO |
131952 |
|
HIP |
24674 |
|
Tycho2 |
4764-01639-1 |
|
Gaia DR2 |
3207534529306910720 |
|
HD |
34503 |
|
HR |
1735 |
|
GC |
6480 |
|
ADS |
3877 |
|
BD |
BD-07 1028 |
|
Bayer |
Tau Orionis |
|
Bayer name |
Tau Ori |
|
Flamsteed |
20 Orionis |
|
Flamsteed name |
20 Ori |
|
FK5 |
195 |
|
Distance |
151.52 |
|
Distance ly |
494.26 |
|
Bayer greek |
τ Ori |
|