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Doubles in session


Current system
05354-0555
CHR 250 Aa,Ab


Nearby doubles
3' : 05355-0552
SKF2275

5' : 05353-0558
SKF2266

6' : 05353-0550
SKF2355

7' : 05351-0551
MGM1171

9' : 05350-0600
STF 747AB

9' : 05349-0600
SKF2252

9' : 05354-0546
SKF2271

11' : 05355-0544
SKF2432

11' : 05359-0547
RBB 9

11' : 05351-0546
SKF2427

11' : 05348-0600
STF 745AB

12' : 05354-0543
RBB 6

12' : 05350-0545
SKF2254

13' : 05350-0544
SKF2253

13' : 05361-0601
WLK 2

13' : 05353-0543
RBB 1

13' : 05348-0546
SKF2423

13' : 05347-0548
SKF2350

14' : 05363-0554
SKF2295

14' : 05346-0557
SKF2243

14' : 05363-0555
MGM1136

14' : 05348-0545
MGM1238

15' : 05347-0545
SKF2420

15' : 05348-0544
SKF2246

16' : 05356-0539
SKF2433

16' : 05348-0542
SKF2247



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.

05354-0555 CHR 250 Aa,Ab

 
 
05h 35m 25.98s -05° 54' 35.6" P.A. 106.00 sep 0.1 mag 3.00,6.30 Sp O8.5III+ dist. 714.29 pc (2330.01 l.y.)
 
 
Coord 2000 05354-0555 Discov num CHR 250 Comp Aa,Ab Coord arcsec 2000 05 35 25.98 -05 54 35.6
Date first 1994 Date last 2016 Obs 10
Pa first 124 Pa last 105.5 P.A. Now (θ) 105.5°
Sep first 0.1 Sep last 0.148 Sep. Now (ρ) 0.148"
Mag pri 3.00 Mag sec 6.30 delta mag (ΔM) 3.3 Spectral class O8.5III+ (blue)
Pri motion ra +001 Sec motion ra
Pri motion dec -000 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
05354-0555 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 132323 05 35 26 -05 54 36 CHR 250 Aa,Ab 2016 10 106 0.1 3.00 6.30 3.30 <===
Show Hatysa 132323 05 35 26 -05 54 36 STF 752 AB 2021 75 141 11.2 2.77 7.73 4.96
Show 132323 05 35 26 -05 54 36 STF 752 AC 2002 10 103 49.4 2.77 9.81 7.04
Show 05 35 26 -05 54 44 STF 752 BC 2015 11 94 41.1 7.73 9.81 2.08
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV2334 Ori Constellation Orion SAO 132323 HIP 26241
Tycho2 4778-01401-1 Gaia DR2 3017190546640875904 HD 37043 HR 1899
GC 6937 ADS 4193 BD BD-06 1241 Bayer Iota Orionis
Bayer name Iot Ori Flamsteed 44 Orionis Flamsteed name 44 Ori FK5 209
Distance 714.29 Distance ly 2330.01 Bayer greek ι Ori
 
 
WDS 05354-0555 CHR 250 Aa,Ab : NOTES
 
 
discov_num notes refcode
STF 752 iot Ori = 44 Ori = Hatysa. A is a spectroscopic binary, P = 29.1d.
The classification is from Stickland et al. (1987). Stc1987
CHR 250 The A component was resolved (CHR 250 Aa,Ab); the B component was also
observed but appeared to be single. Msn1998a
Aa1 is spectral type O8.5III, Aa2 is B0.8III and Ab is B2IV. Opl2023
Classification of the B component is from Hoffleit & Warren (1991). Hof1991
STF 752 AB: H 3 12. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Hof1991 - Hoffleit, D. & Jaschek, C. 1991bsc..book.....H
Hof1991 The Bright Star Catalogue, Fifth Revised Edition (preliminary version), 1991
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Msn1998a Sc j Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., 1998AJ....115..821M
Msn1998a ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a AJ 115, 821, 1998
Opl2023 - Oplistilova, A., Mayer, P., Harmanec, P. et al. 2023A&A...672A..31O
Opl2023 A&A 672, A31, 2023
Stc1987 not - Stickland, D.J., Pike, C.D., Lloyd, C., & Howarth, I.D. 1987A&A...184..185S
Stc1987 A&A 184, 185, 1987
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
3 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
05354-0555 CHR 250 Aa,Ab 2006 4 110 0.1 2.90   O9III N 053525.98-055435.6
05354-0555 CHR 250 Aa,Ab 2008 6 110 0.1 2.90   O9III N 053525.98-055435.6
05354-0555 CHR 250 Aa,Ab 2010 8 108 0.1 2.90   O9III N 053525.98-055435.6
05354-0555 CHR 250 Aa,Ab 2014 9 107 0.1 3.00 6.30 O9III N 053525.98-055435.6
05354-0555 CHR 250 Aa,Ab 2016 10 106 0.1 3.00 6.30 O9III N 053525.98-055435.6

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

 
 
WDS 05354-0555 CHR 250 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05354-0555 CHR 250 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 05354-0555 : VIRTUAL EYEPIECE
 
 

05354-0555 STF 752A mag 2.77 05354-0555 CHR 250Ab sep 0.1 P.A. 105.60 mag 6.3 05354-0555 STF 752B sep 11.2 P.A. 141.40 mag 7.73 Sp B8III 05354-0555 STF 752C sep 49.1 P.A. 103.50 mag 9.81 Sp A0V 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 05354-0555 : ALADIN DSS IMAGE @ 05h 35m 25.98s -05° 54' 35.6"
 
 
 
 
WDS 05354-0555 CHR 250 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05354-0555 CHR 250Aa,Ab distance=0' 05354-0555 STF 752BC distance=1' 05355-0552 SKF2275 distance=3' 05353-0558 SKF2266 distance=5' 05353-0550 SKF2355 distance=6' 05351-0551 MGM1171 distance=7' 05350-0600 STF 747AB distance=9' 05350-0600 CLL 22AC distance=9' 05350-0600 HDS 742Ba,Bb distance=9' 05349-0600 SKF2252 distance=9' 05354-0546 SKF2271 distance=9' 05355-0544 SKF2432 distance=11' 05359-0547 RBB 9 distance=11' 05351-0546 SKF2427 distance=11' 05348-0600 STF 745BC distance=11' 05348-0600 STF 745AB distance=11' 05348-0600 STF 745AC distance=11' 05354-0543 RBB 6 distance=12' 05350-0545 SKF2254 distance=12' 05350-0544 SKF2253 distance=13' 05361-0601 WLK 2 distance=13' 05353-0543 RBB 1 distance=13' 05348-0546 SKF2423 distance=13' 05347-0548 SKF2350 distance=13' 05363-0554 SKF2295 distance=14' 05346-0557 SKF2243 distance=14' 05363-0555 MGM1136 distance=14' 05348-0545 MGM1238 distance=14' 05347-0545 SKF2420 distance=15' 05348-0544 SKF2246 distance=15' 05356-0539 SKF2433 distance=16' 05348-0542 SKF2247 distance=16' 05349-0541 SKF2424 distance=17' 05357-0539 SKF2436 distance=17' 05346-0543 JNN 40 distance=17' 05352-0538 REP 80 distance=17' 05353-0538 SKF2356 distance=18' 05356-0538 SKF2435AB distance=18' 05356-0538 SKF2435AC distance=18' 05365-0602 MGM1078 distance=18' 05349-0539 SKF2248 distance=18' 05365-0601 CON 11 distance=18' 05352-0537 REP 79 distance=19' 05351-0537 MGM1378 distance=19' 05359-0538 DA 3 distance=19' 05342-0555 SKF2236 distance=19' 05357-0537 KOH 106 distance=19' 05352-0536 REP 75 distance=19' 05350-0612 SKF2255 distance=19' 05362-0611 SKF2291 distance=20' 05366-0604 STF 754 distance=20' 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 05354-0555 CHR 250 Aa,Ab 106 0.1
Show Hatysa 05354-0555 STF 752 AB 141 11.2
Show Hatysa 05354-0555 STF 752 AC 103 49.4
Show 05354-0555 STF 752 BC 94 41.1 1
Show 05355-0552 SKF2275 37 5.5 3
Show 05353-0558 SKF2266 25 0.9 5
Show 05353-0550 SKF2355 152 1.1 6
Show 05351-0551 MGM1171 180 0.3 7
Show 05350-0600 STF 747 AB 224 36.3 9
Show 05350-0600 CLL 22 AC 12 68.2 9
Show 05350-0600 HDS 742 Ba,Bb 111 0.5 9
Show 05349-0600 SKF2252 192 0.9 9
Show 05354-0546 SKF2271 275 4.6 9
Show 05355-0544 SKF2432 28 0.8 11
Show 05359-0547 RBB 9 339 2.1 11
Show 05351-0546 SKF2427 188 2.3 11
Show 05348-0600 STF 745 BC 290 78.4 11
Show 05348-0600 STF 745 AB 347 28.7 11
Show 05348-0600 STF 745 AC 304 97.1 11
Show 05354-0543 RBB 6 307 1.2 12
Show 05350-0545 SKF2254 209 0.8 12
Show 05350-0544 SKF2253 310 2.1 13
Show 05361-0601 WLK 2 92 3.6 13
Show 05353-0543 RBB 1 33 1.6 13
Show 05348-0546 SKF2423 242 0.8 13
Show 05347-0548 SKF2350 32 1.5 13
Show 05363-0554 SKF2295 78 3.5 14
Show 05346-0557 SKF2243 354 3.2 14
Show 05363-0555 MGM1136 33 0.8 14
Show 05348-0545 MGM1238 207 0.3 14
Show 05347-0545 SKF2420 254 0.7 15
Show 05348-0544 SKF2246 108 2.1 15
Show 05356-0539 SKF2433 21 3.9 16
Show 05348-0542 SKF2247 80 4.9 16
Show 05349-0541 SKF2424 359 1.1 17
Show 05357-0539 SKF2436 343 3.6 17
Show 05346-0543 JNN 40 268 1.4 17
Show 05352-0538 REP 80 271 0.4 17
Show 05353-0538 SKF2356 171 3.6 18
Show 05356-0538 SKF2435 AB 166 5.1 18
Show 05356-0538 SKF2435 AC 51 6.9 18
Show 05365-0602 MGM1078 0.4 18
Show 05349-0539 SKF2248 107 1.9 18
Show 05365-0601 CON 11 357 0.2 18
Show 05352-0537 REP 79 82 0.4 19
Show 05351-0537 MGM1378 77 2.3 19
Show 05359-0538 DA 3 173 0.9 19
Show 05342-0555 SKF2236 323 0.7 19
Show 05357-0537 KOH 106 129 0.3 19
Show 05352-0536 REP 75 167 1.2 19
Show 05350-0612 SKF2255 114 4.0 19

 
 
WDS 05354-0555 : COMPONENTS
 
 
  A Ab B
Ab pa=105.6°
sep=0.15"
 
B pa=141.4°
sep=11.20"
pa=141.9°
sep=11.08"
 
C pa=103.5°
sep=49.14"
pa=103.5°
sep=48.99"
pa=93.8°
sep=40.90"
 
 
05354-0555 A
 
 
Common name Hatysa Meaning (tip) light of the sword Other names Na’ir al Saif, Nair al saif, Hatsya Coord arcsec 2000 053525.98-055435.6
Mag 2.77 PmRA 1.00 PmDE 0.0 SAO 132323
HIP 26241 Tycho2 4778-01401-1 HD 37043 HR 1899
GC 6937 BD BD-06 1241 Bayer Iota Orionis Bayer name Iot Ori
Flamsteed 44 Orionis Flamsteed name 44 Ori FK5 209
Tycho2
Tycho2 4778-01401-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 2.485 E BTmag 0.014 VTmag 2.715
E VTmag 0.009 Prox 999 TYC T HIP 26241
CCDM RAdeg 83.85825222 DEdeg -5.90989889 EpRA 1990 1.76
EpDE 1990 1.44 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 132323 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.001 Vmag 2.9 SpType Oe5
Double code Source 74 CatNum 209 DM BD-06 1241
DMcomp BDsup HD 37043 M HD 0
GC 6937 RA1950rad 1.45292304 DE1950rad -0.10369322 PmRA2000 0.0001
PmDE2000 0.001
Hipparcos
Catalog H HIP 26241 Proxy RAhms 05 35 25.98
DEdms -05 54 35.6 Vmag 2.75 VarFlag 1 R Vmag H
RAdeg 83.8583 DEdeg -5.9099 AstroRef Plx 2.46
CCDM 05355-0555 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 37043 BD BD-06 1241
CD CP Dm number -06 1241 VIred -0.22
SpType O9III R SpType Coord arcsec 2000 053525.98-055435.6
Hipparcos 2
HIP 26241 Sn 5 So 0 Nc 1
RArad 1.4636026456 DErad -0.1031472111 Plx 1.4 PmRA 1.42
PmDE -0.46 E RArad 0.18 E DErad 0.12 E Plx 0.22
E pmRA 0.21 E pmDE 0.13 Hpmag 2.6706 E Hpmag 0.0008
SHp 0.006 VA 0 BV -0.21 E BV 0.004
VI -0.22
 
 
05354-0555 Ab
 
 
Coord arcsec 2000 053525.99-055435.6 Mag 6.3 Calc delta mag 3.3 Calc coord yes
 
 
05354-0555 B
 
 
Coord arcsec 2000 053526.45-055444.4 Mag 7.73 Spectral class B8III (blue-white) PmRA 1.00
PmDE 2.0 Calc delta mag 4.73 Calc coord yes
 
 
05354-0555 C
 
 
Coord arcsec 2000 053529.18-055447.0 Mag 9.81 Spectral class A0V (white) PmRA 1.00
PmDE 1.0 Calc delta mag 6.81 Calc coord yes