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Doubles in session


Current system
05312+0318
STF 729 AB
33 Ori


Nearby doubles
9' : 05308+0313
ARN 102

14' : 05314+0304
A 2647

16' : 05323+0314
XMI 8

18' : 05303+0307
BAL2150AB

23' : 05326+0327
CVR 457

26' : 05329+0324
CVR 57

29' : 05317+0250
SHJ 61

31' : 05297+0338
GWP 683

32' : 05332+0310
BAL2151AB

35' : 05292+0302
KPP3617AB

35' : 05300+0249
CVS1226AB

35' : 05292+0334
BAL2149

37' : 05296+0251
J 330

37' : 05335+0331
BAL2152

37' : 05295+0251
CVS1178

39' : 05333+0254
BAL1673

39' : 05292+0254
CVS1144AB

42' : 05339+0308
BAL2153

43' : 05291+0250
CVS1124

44' : 05321+0236
LSC 39

44' : 05289+0252
CVS1099

45' : 05297+0240
CVS1196

45' : 05288+0252
CVS1088AB

47' : 05289+0347
GWP 681

48' : 05290+0244
CVS1117AB

49' : 05285+0252
CVS1054AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

05312+0318 STF 729 AB (33 Ori)

 
 
05h 31m 14.53s +03° 17' 31.7" P.A. 26.00 sep 1.8 mag 5.71,6.74 Sp B1.5V dist. 348.43 pc (1136.58 l.y.)
 
 
Coord 2000 05312+0318 Discov num STF 729 Comp AB Coord arcsec 2000 05 31 14.53 +03 17 31.7
Date first 1822 Date last 2017 Obs 126
Pa first 27 Pa last 25.5 P.A. Now (θ) 25.5°
Sep first 2.0 Sep last 1.849 Sep. Now (ρ) 1.849"
Mag pri 5.71 Mag sec 6.74 delta mag (ΔM) 1.03 Spectral class B1.5V (blue-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -006 Sec motion dec -006
Notes N (See Notes)
Nature of this double is uncertain.
 
 
05312+0318 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 33 Ori 112861 05 31 15 +03 17 32 STF 729 AB 2017 126 26 1.8 5.71 6.74 1.03 <===
Show 112861 05 31 15 +03 17 32 STF 729 AC 2000 4 52 94.1 5.71 13.90 8.19
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 33 Ori Var name n 1 Ori Constellation Orion SAO 112861
HIP 25861 Tycho2 0118-02925-1 Gaia DR2 3224000471846149120 HD 36351
HR 1842 GC 6823 ADS 4123 BD BD+03 948
Flamsteed 33 Orionis Flamsteed name 33 Ori Distance 348.43 Distance ly 1136.58
 
 
WDS 05312+0318 STF 729 AB (33 Ori) : NOTES
 
 
discov_num notes refcode
STF 729 33 Ori = n 1 Ori. 1945.16 : Measure unpublished in orbit quotation.
AB: H 1 22. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05312+0318 STF 729 AB 2008 116 29 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2010 118 27 1.8 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2011 120 28 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2012 129 27 1.8 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2013 124 27 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2015 125 27 1.9 5.71 6.74 B1.5V N 053114.53+031731.7
05312+0318 STF 729 AB 2017 126 26 1.8 5.71 6.74 B1.5V N 053114.53+031731.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 05312+0318 STF 729 AB (33 Ori) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 21/03/05 oldscope mean difficulty separated   interesting Very windy conditions; this is a fine double and not too hard to locate. Worth viewing again. Could be a target for a star party if the conditions are very good. Needs reasonable seeing and high power.

 
 
WDS 05312+0318 STF 729 AB (33 Ori) : MEASURES
 
 
No records found.

 
 
WDS 05312+0318 (33 Ori) : VIRTUAL EYEPIECE
 
 

05312+0318 STF 729A mag 5.71 Sp B1.5V 05312+0318 STF 729B sep 1.9 P.A. 25.50 mag 6.74 05312+0318 STF 729C sep 94.0 P.A. 52.30 mag 13.9 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 05312+0318 (33 Ori) : ALADIN DSS IMAGE @ 05h 31m 14.53s +03° 17' 31.7"
 
 
 
 
WDS 05312+0318 STF 729 AB (33 Ori) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05312+0318 STF 729AB distance=0' 05308+0313 ARN 102 distance=9' 05314+0304 A 2647 distance=14' 05323+0314 XMI 8 distance=16' 05303+0307 BAL2150AB distance=18' 05303+0307 BKO 17AC distance=18' 05303+0307 BKO 17CD distance=19' 05326+0327 CVR 457 distance=23' 05329+0324 CVR 57 distance=26' 05296+0309 GMC 13DE distance=27' 05296+0309 STF 721A,BC distance=27' 05296+0309 GUI 7AD distance=27' 05296+0309 BU 557BC distance=27' 05317+0250 SHJ 61 distance=29' 05297+0338 GWP 683 distance=31' 05332+0310 BAL2151AB distance=32' 05332+0310 BKO 19AC distance=32' 05292+0302 KPP3617AB distance=35' 05300+0249 CVS1226AB distance=35' 05300+0249 CVS1226AC distance=35' 05292+0334 BAL2149 distance=35' 05296+0251 J 330 distance=37' 05335+0331 BAL2152 distance=37' 05295+0251 CVS1178 distance=37' 05333+0254 BAL1673 distance=39' 05292+0254 CVS1144AB distance=39' 05292+0254 CVS1144AC distance=39' 05339+0308 BAL2153 distance=42' 05291+0250 CVS1124 distance=43' 05321+0236 LSC 39 distance=44' 05289+0252 CVS1099 distance=44' 05297+0240 CVS1196 distance=45' 05288+0252 CVS1088AB distance=45' 05288+0252 CVS1088AC distance=45' 05289+0347 GWP 681 distance=47' 05290+0244 CVS1117AB distance=48' 05290+0244 CVS1117AC distance=48' 05290+0244 CVS1117AD distance=48' 05285+0252 CVS1054AB distance=49' 05285+0252 CVS1054AC distance=49' 05285+0252 CVS1054AD distance=49' 05285+0252 CVS1054AE distance=49' 05282+0258 SKF 270 distance=49' 05299+0232 CVS1213 distance=50' 05342+0252 HEI 662 distance=52' 05281+0256 CVS1011 distance=52' 05281+0254 CVS1018AB distance=53' 05281+0254 CVS1018AC distance=53' 05281+0254 CVS1018AD distance=53' 05281+0254 CVS1018AE distance=53' 05277+0312 CVS 985 distance=53' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 05312+0318 STF 729 AB 26 1.8
Show 05312+0318 STF 729 AC 52 94.1
Show 05308+0313 ARN 102 97 23.5 9
Show 05314+0304 A 2647 143 0.3 14
Show 05323+0314 XMI 8 91 20.6 16
Show 05303+0307 BAL2150 AB 194 16.1 18
Show 05303+0307 BKO 17 AC 197 50.1 18
Show 05303+0307 BKO 17 CD 1 9.1 19
Show 05326+0327 CVR 457 329 9.1 23
Show 05329+0324 CVR 57 234 58.9 26
Show 05296+0309 GMC 13 DE 263 11.1 27
Show 05296+0309 STF 721 A,BC 149 25.3 27
Show 05296+0309 GUI 7 AD 147 149.8 27
Show 05296+0309 BU 557 BC 160 0.2 27
Show 05317+0250 SHJ 61 353 66.9 29
Show 05297+0338 GWP 683 178 94.3 31
Show 05332+0310 BAL2151 AB 124 13.7 32
Show 05332+0310 BKO 19 AC 254 39.9 32
Show 05292+0302 KPP3617 AB 228 20.1 35
Show 05300+0249 CVS1226 AB 270 5.0 35
Show 05300+0249 CVS1226 AC 202 9.8 35
Show 05292+0334 BAL2149 168 19.9 35
Show 05296+0251 J 330 96 5.0 37
Show 05335+0331 BAL2152 353 3.0 37
Show 05295+0251 CVS1178 347 7.0 37
Show 05333+0254 BAL1673 322 13.6 39
Show 05292+0254 CVS1144 AB 186 6.9 39
Show 05292+0254 CVS1144 AC 139 7.6 39
Show 05339+0308 BAL2153 279 3.6 42
Show 05291+0250 CVS1124 336 2.6 43
Show 05321+0236 LSC 39 218 0.8 44
Show 05289+0252 CVS1099 252 5.7 44
Show 05297+0240 CVS1196 119 9.5 45
Show 05288+0252 CVS1088 AB 123 5.1 45
Show 05288+0252 CVS1088 AC 55 9.7 45
Show 05289+0347 GWP 681 209 18.1 47
Show 05290+0244 CVS1117 AB 196 5.9 48
Show 05290+0244 CVS1117 AC 56 7.4 48
Show 05290+0244 CVS1117 AD 343 18.7 48
Show 05285+0252 CVS1054 AB 89 7.1 49
Show 05285+0252 CVS1054 AC 34 7.6 49
Show 05285+0252 CVS1054 AD 258 8.9 49
Show 05285+0252 CVS1054 AE 22 12.1 49
Show 05282+0258 SKF 270 175 4.7 49
Show 05299+0232 CVS1213 231 2.9 50
Show 05342+0252 HEI 662 333 1.3 52
Show 05281+0256 CVS1011 222 5.1 52
Show 05281+0254 CVS1018 AB 113 3.7 53
Show 05281+0254 CVS1018 AC 106 5.6 53
Show 05281+0254 CVS1018 AD 227 6.6 53
Show 05281+0254 CVS1018 AE 20 15.6 53

 
 
WDS 05312+0318 : COMPONENTS
 
 
  A B
B pa=25.5°
sep=1.85"
 
C pa=52.3°
sep=94.04"
pa=52.8°
sep=92.39"
 
 
05312+0318 A
 
 
Name 33 Ori Coord arcsec 2000 053114.53+031731.7 Mag 5.71 Spectral class B1.5V (blue-white)
PmRA 0.00 PmDE -6.0 SAO 112861 HIP 25861
Tycho2 0118-02925-1 HD 36351 HR 1842 GC 6823
BD BD+03 948 Flamsteed 33 Orionis Flamsteed name 33 Ori
Tycho2
Tycho2 0118-02925-1 Pflag P RAmdeg 82.81059273 DEmdeg 3.29220533
PmRA -0.4 PmDE -6.2 E RAmdeg 3 E DEmdeg 4
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.82 EpDEm 1991.48
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 5.501 E BTmag 0.014 VTmag 5.707
E VTmag 0.009 Prox 19 TYC T HIP 25861
CCDM A RAdeg 82.81055028 DEdeg 3.29213389 EpRA 1990 1.85
EpDE 1990 1.53 E RAdeg 3.3 E DEdeg 3.6 Posflg D
Corr 0.0
SAO
SAO 112861 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.004 Vmag 5.5 SpType B3
Double code Source 70 CatNum 6823 DM BD+03 948
DMcomp BDsup HD 36351 M HD 0
GC 6823 RA1950rad 1.43386 DE1950rad 0.05682462 PmRA2000 0
PmDE2000 0.003
Hipparcos
Catalog H HIP 25861 Proxy H RAhms 05 31 14.53
DEdms +03 17 31.7 Vmag 5.46 VarFlag R Vmag G
RAdeg 82.8105 DEdeg 3.29214 AstroRef A Plx 2.08
CCDM 05313+0318 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 27 Rho 1.888 HD 36351 BD BD+03 948
CD CP Dm number +03 948 VIred -0.18
SpType B1.5V R SpType Coord arcsec 2000 053114.53+031731.7
Hipparcos 2
HIP 25861 Sn 15 So 3 Nc 2
RArad 1.4453167499 DErad 0.0574585954 Plx 2.87 PmRA -0.22
PmDE -1.5 E RArad 0.7 E DErad 0.37 E Plx 0.84
E pmRA 0.76 E pmDE 0.35 Hpmag 5.3929 E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.176 E BV 0.002
VI -0.18
 
 
05312+0318 B
 
 
Coord arcsec 2000 053114.58+031733.4 Mag 6.74 PmRA 0.00 PmDE -6.0
Tycho2 0118-02925-2 Calc delta mag 1.03 Calc coord yes
Tycho2
Tycho2 0118-02925-2 Pflag P RAmdeg 82.81059273 DEmdeg 3.29220533
PmRA -0.4 PmDE -6.2 E RAmdeg 3 E DEmdeg 4
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.82 EpDEm 1991.48
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 6.590 E BTmag 0.015 VTmag 6.744
E VTmag 0.010 Prox 19 TYC T HIP 25861
CCDM B RAdeg 82.81078528 DEdeg 3.29260111 EpRA 1990 1.86
EpDE 1990 1.60 E RAdeg 3.6 E DEdeg 4.2 Posflg D
Corr 0.0
 
 
05312+0318 C
 
 
Coord arcsec 2000 053119.50+031829.3 Mag 13.9 Calc delta mag 8.19 Calc coord yes