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Doubles in session


Current system
08394-3636
I 314
HD 73900


Nearby doubles
16' : 08398-3619
JSP 290

28' : 08397-3610
TDS6016

34' : 08416-3617
DAM1470

36' : 08418-3616
TDS6044

36' : 08407-3604
B 1986

42' : 08377-3601
TDS5994

42' : 08428-3631
HJ 4129

49' : 08407-3550
TDS6029

50' : 08353-3641
TDS5955

52' : 08437-3640
JSP 296

55' : 08413-3547
JSP 293

55' : 08439-3633
RST4895

59' : 08353-3604
BRT1635

61' : 08388-3537
TDS6004

65' : 08354-3553
TDS 479

70' : 08338-3619
TDS5940

78' : 08450-3600
JSP 300

79' : 08401-3518
RST4894

84' : 08427-3750
WFC 72

84' : 08345-3737
I 195

85' : 08332-3718
TDS5931

85' : 08461-3701
HDS1267

92' : 08372-3509
BRT1636

93' : 08386-3505
JSP 286

93' : 08412-3806
TDS6036

93' : 08321-3606
JSP 278



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.

08394-3636 I 314 (HD 73900)

 
 
08h 39m 22.09s -36° 36' 24.0" P.A. 241.00 sep 0.9 mag 6.40,7.90 Sp F1IV dist. 37.85 pc (123.47 l.y.)
 
 
Coord 2000 08394-3636 Discov num I   314 Comp Coord arcsec 2000 08 39 22.09 -36 36 24.0
Date first 1900 Date last 2021 Obs 33
Pa first 239 Pa last 241.1 P.A. Now (θ) 240.9°
Sep first 1.0 Sep last 0.949 Sep. Now (ρ) 0.964"
Mag pri 6.40 Mag sec 7.90 delta mag (ΔM) 1.5 Spectral class F1IV (yellow-white)
Pri motion ra -175 Sec motion ra
Pri motion dec +048 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 73900 Constellation Pyxis SAO 199473 HIP 42455
Tycho2 7148-03874-1 Gaia DR2 5530317851619425024 HD 73900 HR 3434
GC 11895 CD CD-36 4872 CP CP-36 2797 Distance 37.85
Distance ly 123.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)65.79y Periastron (T)1990.84y Semi-major axis (a)0.565a
Eccentricity (e)0.824 Inclination (i)99° Longitude of periastron (ω)339.7°
Node (Ω)57.5° Notesn ReferenceTok2020g
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 248.4 0.398
2001 247.6 0.443
2002 246.9 0.486
2003 246.2 0.526
2004 245.7 0.564
2005 245.3 0.600
2006 244.9 0.635
2007 244.5 0.667
2008 244.2 0.697
2009 243.9 0.726
2010 243.6 0.753
2011 243.3 0.778
2012 243.1 0.802
2013 242.8 0.824
2014 242.6 0.845
2015 242.4 0.864
2016 242.2 0.881
2017 242.0 0.897
2018 241.8 0.912
2019 241.6 0.925
2020 241.4 0.937
2021 241.3 0.947
2022 241.1 0.956
2023 240.9 0.964
2024 240.8 0.970
2025 240.6 0.974
2026 240.4 0.977
2027 240.3 0.979
2028 240.1 0.979
2029 240.0 0.978
2030 239.8 0.975


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds08394-3636b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08394-3636 I 314 (HD 73900) : NOTES
 
 
discov_num notes refcode
I 314 Only elements P, T, and a of Heintz (1968) were adjusted for Hei1968a
Starikova (1981) solution. Sta1981a
Hipparcos astrometric solution adopted some elements from the orbit of HIP1997d
Heintz (1968). Hei1968a
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.79 +/- 0.50, 2.01, and 1.51 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hei1968a orb - Heintz, W.D. 1968AJ.....73..512H
Hei1968a AJ 73, 512, 1968
HIP1997d orb - Hipparcos 1997yCat.1239....0E
HIP1997d Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d (DMSA/O Orbital Solutions)
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1981a orb - Starikova, G.A. 1981SvAL....7..130S
Sta1981a SvAL 7, 130, 1981
Tok2020g orb - Tokovinin, A. 2020IAUDS.201....1A
Tok2020g Inf. Circ. 201, 1, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08394-3636 I 314 1981 27 223 0.5 6.40 7.90 F1IV NO 083922.09-363624.0
08394-3636 I 314 2009 28 244 0.7 6.40 7.90 F1IV NO 083922.09-363624.0
08394-3636 I 314 2011 29 244 0.8 6.40 7.90 F1IV NO 083922.09-363624.0
08394-3636 I 314 2014 30 243 0.8 6.40 7.90 F1IV NO 083922.09-363624.0
08394-3636 I 314 2018 32 242 0.9 6.40 7.90 F1IV NO 083922.09-363624.0
08394-3636 I 314 2021 33 241 0.9 6.40 7.90 F1IV NO 083922.09-363624.0

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

 
 
WDS 08394-3636 I 314 (HD 73900) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08394-3636 I 314 (HD 73900) : MEASURES
 
 
No records found.

 
 
WDS 08394-3636 (HD 73900) : VIRTUAL EYEPIECE
 
 

08394-3636 I 314A mag 6.4 Sp F1IV 08394-3636 I 314B sep 0.8 P.A. 235.50 mag 7.9 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 08394-3636 (HD 73900) : ALADIN DSS IMAGE @ 08h 39m 22.09s -36° 36' 24.0"
 
 
 
 
WDS 08394-3636 I 314 (HD 73900) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08394-3636 I 314 distance=0' 08398-3619 JSP 290 distance=16' 08397-3610 TDS6016 distance=28' 08416-3617 DAM1470 distance=34' 08418-3616 TDS6044 distance=36' 08407-3604 B 1986 distance=36' 08377-3601 TDS5994 distance=42' 08428-3631 HJ 4129 distance=42' 08407-3550 TDS6029 distance=49' 08353-3641 TDS5955 distance=50' 08437-3640 JSP 296 distance=52' 08413-3547 JSP 293 distance=55' 08439-3633 RST4895 distance=55' 08353-3604 BRT1635 distance=59' 08388-3537 TDS6004 distance=61' 08354-3553 TDS 479 distance=65' 08338-3619 TDS5940 distance=70' 08450-3600 JSP 300 distance=78' 08401-3518 RST4894 distance=79' 08427-3750 WFC 72 distance=84' 08345-3737 I 195 distance=84' 08332-3718 TDS5931 distance=85' 08461-3701 HDS1267 distance=85' 08372-3509 BRT1636 distance=92' 08386-3505 JSP 286 distance=93' 08412-3806 TDS6036 distance=93' 08321-3606 JSP 278 distance=93' 08327-3728 RSS 165 distance=95' 08314-3642 HJ 4106AB distance=96' 08314-3642 LDS 223AC distance=96' 08313-3643 DAM1417 distance=98' 08442-3757 TDS6068 distance=99' 08321-3724 TDS5915 distance=100' 08415-3813 TDS6038 distance=100' 08443-3758 DAM 476 distance=101' 08446-3758 JSP 298 distance=103' 08473-3717 RST4897 distance=103' 08312-3605 TDS5897 distance=104' 08335-3521 TDS5937 distance=105' 08447-3514 JSP 299 distance=105' 08319-3540 TDS5909 distance=107' 08314-3725 BRT1632AB distance=108' 08314-3725 DAM 725AC distance=108' 08314-3725 DAM 725AD distance=108' 08314-3725 DAM 725BC distance=109' 08304-3639 TDS5881 distance=109' 08355-3459 TDS5958 distance=109' 08320-3741 TDS5913 distance=110' 08359-3818 RST2568 distance=110' 08302-3632 KPP2943 distance=111' 08464-3526 WFC 75 distance=111' 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 08394-3636 I 314 241 0.9
Show 08398-3619 JSP 290 79 4.8 16
Show 08397-3610 TDS6016 110 2.5 28
Show 08416-3617 DAM1470 354 1.1 34
Show 08418-3616 TDS6044 147 2.6 36
Show 08407-3604 B 1986 335 0.1 36
Show 08377-3601 TDS5994 318 0.6 42
Show 08428-3631 HJ 4129 348 8.2 42
Show 08407-3550 TDS6029 210 0.7 49
Show 08353-3641 TDS5955 103 2.0 50
Show 08437-3640 JSP 296 315 0.7 52
Show 08413-3547 JSP 293 43 1.3 55
Show 08439-3633 RST4895 102 0.3 55
Show 08353-3604 BRT1635 274 2.6 59
Show 08388-3537 TDS6004 352 0.9 61
Show 08354-3553 TDS 479 94 2.6 65
Show 08338-3619 TDS5940 200 2.4 70
Show 08450-3600 JSP 300 299 1.8 78
Show 08401-3518 RST4894 119 12.9 79
Show 08427-3750 WFC 72 108 7.9 84
Show 08345-3737 I 195 42 1.9 84
Show 08332-3718 TDS5931 319 0.8 85
Show 08461-3701 HDS1267 190 0.3 85
Show 08372-3509 BRT1636 123 5.1 92
Show 08386-3505 JSP 286 227 6.9 93
Show 08412-3806 TDS6036 195 1.6 93
Show 08321-3606 JSP 278 359 5.3 93
Show 08327-3728 RSS 165 234 9.2 95
Show 08314-3642 HJ 4106 AB 308 6.2 96
Show 08314-3642 LDS 223 AC 219 47.7 96
Show 08313-3643 DAM1417 70 5.5 98
Show 08442-3757 TDS6068 285 2.3 99
Show 08321-3724 TDS5915 24 0.6 100
Show 08415-3813 TDS6038 159 1.2 100
Show 08443-3758 DAM 476 319 5.8 101
Show 08446-3758 JSP 298 287 6.8 103
Show 08473-3717 RST4897 102 0.2 103
Show 08312-3605 TDS5897 356 1.6 104
Show 08335-3521 TDS5937 200 0.5 105
Show 08447-3514 JSP 299 51 4.1 105
Show 08319-3540 TDS5909 93 1.0 107
Show 08314-3725 BRT1632 AB 192 3.7 108
Show 08314-3725 DAM 725 AC 197 7.9 108
Show 08314-3725 DAM 725 AD 353 1.4 108
Show 08314-3725 DAM 725 BC 202 4.2 109
Show 08304-3639 TDS5881 4 2.5 109
Show 08355-3459 TDS5958 179 0.8 109
Show 08320-3741 TDS5913 145 1.7 110
Show 08359-3818 RST2568 140 0.4 110
Show 08302-3632 KPP2943 231 1.5 111
Show 08464-3526 WFC 75 37 9.2 111

 
 
WDS 08394-3636 : COMPONENTS
 
 
  A
B pa=235.5°
sep=0.81"
 
 
08394-3636 A
 
 
Componente originario normalizzato AB Name HD 73900 Coord arcsec 2000 083922.09-363624.0 Mag 6.4
Spectral class F1IV (yellow-white) PmRA -175.00 PmDE 48.0 SAO 199473
HIP 42455 Tycho2 7148-03874-1 HD 73900 HR 3434
GC 11895 CD CD-36 4872 CP CP-36 2797
Tycho2
Tycho2 7148-03874-1 Pflag RAmdeg 129.84201603 DEmdeg -36.60670825
PmRA -178.6 PmDE 44.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.37 EpDEm 1991.44
Num 12 Q RAmdeg 2.0 Q DEmdeg 1.2 Q pmRA 2.1
Q pmDE 1.2 BTmag 6.604 E BTmag 0.014 VTmag 6.163
E VTmag 0.010 Prox 936 TYC T HIP 42455
CCDM RAdeg 129.84253083 DEdeg -36.60681111 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 3.6 E DEdeg 3.5 Posflg
Corr -0.2
SAO
SAO 199473 DelFlag RA1950 PmRA1950 -0.0147
DE1950 PmDE1950 0.036 Vmag 6.1 SpType F0
Double code Source 70 CatNum 11895 DM CD-36 4872
DMcomp BDsup HD 73900 M HD 0
GC 11895 RA1950rad 2.25781558 DE1950rad -0.6358249 PmRA2000 -0.0142
PmDE2000 0.039
Hipparcos
Catalog H HIP 42455 Proxy RAhms 08 39 22.21
DEdms -36 36 24.5 Vmag 6.12 VarFlag R Vmag H
RAdeg 129.843 DEdeg -36.6068 AstroRef + Plx 24.86
CCDM 08394-3636 N CCDM I Nsys 1 Ncomp 1
MultFlag O Source Qual M HIP
Theta Rho HD 73900 BD
CD CD-36 4872 CP CP-36 2797 Dm number -36 4872 VIred 0.49
SpType F3/F5V R SpType Coord arcsec 2000 083922.21-363624.5
Hipparcos 2
HIP 42455 Sn 75 So 4 Nc 1
RArad 2.2661801021 DErad -0.638909516 Plx 26.42 PmRA -164.2
PmDE 55.91 E RArad 0.43 E DErad 0.52 E Plx 0.67
E pmRA 0.43 E pmDE 0.62 Hpmag 6.2143 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.426 E BV 0.006
VI 0.49
CCDM
Ccdm 08394-3636 RComp Comp A Note1
Note2 Discov num DRAs -1.87 DDEs -24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.3 Sp F0 PmNote *
PmRA -175 PmDE 45 Dm number -36 4872 Cat1 CD
Name2 199473 Cat2 SAO HD 73900 M HD
ADS BDS M ADS BDS N IDS IDS 08355S3615A
HIC 42455
 
 
08394-3636 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 083922.03-363624.5 Mag 7.9 Calc delta mag 1.5
Calc coord yes
CCDM
Ccdm 08394-3636 RComp Comp B Note1 *
Note2 Discov num I 314 DRAs DDEs
R dRAs Year 1900 Theta Rho
Obs 15 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08355S3615B
HIC 42455