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Current system
05354-0525
STFA 16 AB
The2 Ori


Nearby doubles
2' : 05354-0524
PRS 34AB

2' : 05355-0524
GET 60

2' : 05353-0526
REP 83AB

2' : 05354-0527
REP 89AB

2' : 05354-0523
PRS 32AB

3' : 05355-0525
S 490

3' : 05353-0524
GET 35AB

3' : 05352-0525
GET 16

3' : 05353-0523
STF 748AB

4' : 05353-0522
SMN 4AB

4' : 05352-0527
REP 73

4' : 05351-0525
GET 7

4' : 05352-0523
REP 70AB

4' : 05352-0528
GET 17

4' : 05355-0521
GET 59

4' : 05351-0524
LCS 4

4' : 05353-0528
MDF 9

5' : 05353-0521
GET 32AB

5' : 05351-0526
GET 5

5' : 05353-0529
REP 88

5' : 05352-0529
REP 76

5' : 05351-0527
REP 69AB

5' : 05351-0528
REP 108

5' : 05352-0522
GET 8AB

5' : 05351-0522
GET 6

5' : 05356-0521
CHN 15



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

05354-0525 STFA 16 AB (The2 Ori)

 
 
05h 35m 22.88s -05° 24' 57.7" P.A. 93.00 sep 52.3 mag 5.03,6.19 Sp O9.5IV+B3 dist. 473.93 pc (1545.96 l.y.)
 
 
Coord 2000 05354-0525 Discov num STFA 16 Comp AB Coord arcsec 2000 05 35 22.88 -05 24 57.7
Date first 1836 Date last 2019 Obs 62
Pa first 92 Pa last 93.3 P.A. Now (θ) 93.3°
Sep first 52.8 Sep last 52.325 Sep. Now (ρ) 52.325"
Mag pri 5.03 Mag sec 6.19 delta mag (ΔM) 1.16 Spectral class O9.5IV+B3 (blue/blue-white)
Pri motion ra +002 Sec motion ra +003
Pri motion dec +002 Sec motion dec +002
Notes N (See Notes)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
05354-0525 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 132321 05 35 23 -05 24 58 CHR 249 Aa,Ab 2016 15 296 0.4 5.10 8.31 3.21
Show 132321 05 35 23 -05 24 58 GVT 2 Aa,Ac 2018 3 343 0.0 4.90 5.70 0.80
Show The2 Ori 132321 05 35 23 -05 24 58 STFA 16 AB 2019 62 93 52.3 5.03 6.19 1.16 <===
Show 132321 05 35 23 -05 24 58 STFA 16 AC 2019 26 98 128.5 5.03 8.46 3.43
Show 132321 05 35 23 -05 24 58 STFA 17 AD 2018 32 315 134.4 5.03 5.06 0.03
Show 132322 05 35 26 -05 25 01 STFA 16 BC 2019 24 102 76.5 6.19 8.46 2.27
Show 132322 05 35 26 -05 25 01 GVT 2 Ba,Bb 2018 1 316 0.1 6.40 10.60 4.20
Show 05 35 31 -05 25 16 GVT 2 Ca,Cb 2018 1 286 0.0 7.50 9.90 2.40
Show 132314 05 35 16 -05 23 23 LCS 9 DE 1994 1 266 0.7 11.20 12.80 1.60
Ninefold system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name The2 Ori Var name NSV2320 Ori Constellation Orion SAO 132321
HIP 26235 Tycho2 4774-00933-1 Gaia DR2 3017360936587007616 HD 37041
HR 1897 GC 6935 ADS 4188 DM BD-05 1320
BD BD-05 1319 Bayer Theta 2 Orionis Bayer name The2 Ori Flamsteed 43 Orionis
Flamsteed name 43 Ori Distance 473.93 Distance ly 1545.96 Bayer greek θ2 Ori