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Doubles in session


Current system
12463-6806
R 207 AB
Bet Mus


Nearby doubles
20' : 12431-6814
TDS8497

22' : 12483-6825
DON 556

25' : 12506-6805
HDS1802AB

31' : 12418-6749
DON 544

36' : 12500-6836
DON 559

37' : 12398-6804
TDS8480

43' : 12483-6848
TDS8531

49' : 12446-6719
DON 548AB

52' : 12553-6820
DON 563

55' : 12468-6712
DON 555

56' : 12454-6902
DON 551

60' : 12483-6708
HJ 4550

62' : 12505-6903
TDS8549

64' : 12574-6758
KOU 17AB

65' : 12349-6756
DON 539

66' : 12348-6817
KPP1082

67' : 12580-6818
DON 566

67' : 12346-6754
DON1101

68' : 12348-6830
DON 538

69' : 12582-6825
DON 567

69' : 12413-6704
KPP 847

70' : 12389-6712
HJ 4535

70' : 12510-6911
TDS8557

74' : 12462-6920
WFC 129

74' : 12556-6900
HDS1813AB

74' : 12506-6916
DON 561



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.

12463-6806 R 207 AB (Bet Mus)

 
 
12h 46m 16.87s -68° 06' 29.1" P.A. 58.00 sep 1.0 mag 3.52,3.98 Sp B2.5V dist. 104.71 pc (341.56 l.y.)
 
 
Coord 2000 12463-6806 Discov num R   207 Comp AB Coord arcsec 2000 12 46 16.87 -68 06 29.1
Date first 1880 Date last 2019 Obs 89
Pa first 317 Pa last 57.9 P.A. Now (θ) 59.8°
Sep first 0.5 Sep last 0.956 Sep. Now (ρ) 0.943"
Mag pri 3.52 Mag sec 3.98 delta mag (ΔM) 0.46 Spectral class B2.5V (blue-white)
Pri motion ra -040 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
12463-6806 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 252019 12 46 17 -68 06 29 RIZ 5 Aa,Ab 2010 1 121 0.0 3.10 6.60 3.50
Show Bet Mus 252019 12 46 17 -68 06 29 R 207 AB 2019 89 58 1.0 3.52 3.98 0.46 Y <===
Show 252019 12 46 17 -68 06 29 RIZ 5 AC 2015 5 36 95.1 3.07 15.90 12.83
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Bet Mus Constellation Musca SAO 252019 HIP 62322
Tycho2 9228-03047-1 Gaia DR2 5855802671032914944 HD 110879 HR 4844
GC 17348 CP CP-67 2064 Bayer Beta Muscae Bayer name Bet Mus
Distance 104.71 Distance ly 341.56 Bayer greek β Mus
 
 
ORBITAL ELEMENTS
 
 
Period (P)188y± 16.5 Periastron (T)1874.2y± 6.5 Semi-major axis (a)1.16a± 0.23
Eccentricity (e)0.79± 0.13 Inclination (i)53.3°± 9.9 Longitude of periastron (ω)72.5°± 1.3
Node (Ω)138.6°± 12.1 Notesn ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 40.0 1.150
2001 40.7 1.143
2002 41.4 1.135
2003 42.1 1.127
2004 42.9 1.118
2005 43.7 1.110
2006 44.4 1.102
2007 45.2 1.093
2008 46.0 1.085
2009 46.8 1.076
2010 47.6 1.067
2011 48.5 1.058
2012 49.3 1.049
2013 50.2 1.040
2014 51.1 1.031
2015 52.0 1.022
2016 52.9 1.012
2017 53.8 1.003
2018 54.8 0.993
2019 55.7 0.983
2020 56.7 0.973
2021 57.7 0.963
2022 58.7 0.953
2023 59.8 0.943
2024 60.9 0.933
2025 62.0 0.923
2026 63.1 0.912
2027 64.2 0.901
2028 65.4 0.891
2029 66.6 0.880
2030 67.9 0.869


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


 
  


wds12463-6806d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12463-6806 R 207 AB (Bet Mus) : NOTES
 
 
discov_num notes refcode
R 207 bet Mus. A has variable radial velocity.
Rica (2012) derived a dynamical parallax of 11.3 mas (compared with FMR2012g
10.48 +/- 0.65 mas from Hipparcos) and a mass sum (using the Hipparcos
parallax) of 20.9 +/- 5.9 Msun.
 
 
REFERENCES
 
 
refcode metd author reference
FMR2012g orb - Rica, F.M. 2012JDSO....8..127R
FMR2012g JDSO 8, 127, 2012
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 R Russell, H.C.
6 RIZ Rizzuto, A.C., Ireland, M.J., Robertson, J.G., Kok, Y., Tuthill, P.G.,
6 RIZ Warrington, B.A., Haubois, X., Tango, W.J., Norris, B., ten Brummelaar, T.,
6 RIZ Kraus, A.L., Jacob, A., & Laliberte-Houdeville, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12463-6806 R 207 AB 2013 80 50 1.0 3.52 3.98 B2.5V NO 124616.87-680629.1
12463-6806 R 207 AB 2014 81 51 1.0 3.52 3.98 B2.5V NO 124616.87-680629.1
12463-6806 R 207 AB 2015 84 52 1.0 3.52 3.98 B2.5V NO 124616.87-680629.1
12463-6806 R 207 AB 2016 87 53 1.1 3.52 3.98 B2.5V NO 124616.87-680629.1
12463-6806 R 207 AB 2019 88 56 1.0 3.52 3.98 B2.5V NO 124616.87-680629.1

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

 
 
WDS 12463-6806 R 207 AB (Bet Mus) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12463-6806 R 207 AB (Bet Mus) : MEASURES
 
 
No records found.

 
 
WDS 12463-6806 (Bet Mus) : VIRTUAL EYEPIECE
 
 

12463-6806 R 207A mag 3.52 Sp B2.5V 12463-6806 RIZ 5Ab mag 6.6 12463-6806 R 207B sep 0.6 P.A. 30.70 mag 3.98 12463-6806 RIZ 5C sep 80.1 P.A. 14.90 mag 15.9 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 12463-6806 (Bet Mus) : ALADIN DSS IMAGE @ 12h 46m 16.87s -68° 06' 29.1"
 
 
 
 
WDS 12463-6806 R 207 AB (Bet Mus) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12463-6806 R 207AB distance=1' 12463-6806 RIZ 5Aa,Ab distance=1' 12463-6806 RIZ 5AC distance=1' 12431-6814 TDS8497 distance=20' 12483-6825 DON 556 distance=22' 12506-6805 HDS1802AB distance=25' 12506-6805 JNN 178AC distance=25' 12506-6805 JNN 178AD distance=25' 12506-6805 JNN 178AE distance=25' 12418-6749 DON 544 distance=31' 12500-6836 DON 559 distance=36' 12398-6804 TDS8480 distance=37' 12483-6848 TDS8531 distance=43' 12446-6719 DON 548AB distance=49' 12446-6719 DON 548AC distance=49' 12553-6820 DON 563 distance=52' 12468-6712 DON 555 distance=55' 12454-6902 DON 551 distance=56' 12483-6708 HJ 4550 distance=60' 12505-6903 TDS8549 distance=62' 12574-6758 KOU 17AB distance=64' 12574-6758 KOU 17AC distance=64' 12349-6756 DON 539 distance=65' 12348-6817 KPP1082 distance=66' 12580-6818 DON 566 distance=67' 12346-6754 DON1101 distance=67' 12348-6830 DON 538 distance=68' 12582-6825 DON 567 distance=69' 12413-6704 KPP 847 distance=69' 12389-6712 HJ 4535 distance=70' 12510-6911 TDS8557 distance=70' 12462-6920 WFC 129 distance=74' 12556-6900 HDS1813AB distance=74' 12556-6900 HDS1813Aa,Ab distance=74' 12506-6916 DON 561 distance=74' 12357-6721 TDS8452 distance=76' 12367-6713 I 906 distance=77' 12452-6649 DON 550 distance=78' 12324-6753 DON 534BC distance=79' 12324-6753 MLO 44A,BC distance=79' 12372-6908 DON 541AB distance=80' 12372-6908 SHT 45AC distance=80' 12372-6908 SHT 45AD distance=80' 12372-6908 SHT 45AE distance=80' 12372-6908 RIZ 4Aa,Ab distance=80' 12528-6656 DON1102 distance=81' 12421-6924 EVS 20 distance=82' 12429-6646 TDS8495 distance=83' 12574-6713 HDS1816 distance=83' 12334-6850 HDS1763 distance=84' 12417-6647 KPP3876 distance=85' 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 12463-6806 R 207 AB 58 1.0 1
Show 12463-6806 RIZ 5 Aa,Ab 121 0.0 1
Show 12463-6806 RIZ 5 AC 36 95.1 1
Show 12431-6814 TDS8497 94 0.6 20
Show 12483-6825 DON 556 299 3.4 22
Show 12506-6805 HDS1802 AB 209 16.6 25
Show 12506-6805 JNN 178 AC 147 1.6 25
Show 12506-6805 JNN 178 AD 155 3.3 25
Show 12506-6805 JNN 178 AE 221 3.5 25
Show 12418-6749 DON 544 352 3.2 31
Show 12500-6836 DON 559 198 2.5 36
Show 12398-6804 TDS8480 280 0.6 37
Show 12483-6848 TDS8531 8 0.9 43
Show 12446-6719 DON 548 AB 52 4.7 49
Show 12446-6719 DON 548 AC 88 3.6 49
Show 12553-6820 DON 563 348 2.4 52
Show 12468-6712 DON 555 246 1.8 55
Show 12454-6902 DON 551 330 4.2 56
Show 12483-6708 HJ 4550 97 13.6 60
Show 12505-6903 TDS8549 322 0.4 62
Show 12574-6758 KOU 17 AB 116 7.8 64
Show 12574-6758 KOU 17 AC 319 11.7 64
Show 12349-6756 DON 539 321 2.0 65
Show 12348-6817 KPP1082 253 8.6 66
Show 12580-6818 DON 566 137 1.1 67
Show 12346-6754 DON1101 255 6.9 67
Show 12348-6830 DON 538 105 0.8 68
Show 12582-6825 DON 567 181 0.3 69
Show 12413-6704 KPP 847 178 7.2 69
Show 12389-6712 HJ 4535 339 17.2 70
Show 12510-6911 TDS8557 348 1.7 70
Show 12462-6920 WFC 129 332 6.7 74
Show 12556-6900 HDS1813 AB 276 0.6 74
Show 12556-6900 HDS1813 Aa,Ab 261 0.0 74
Show 12506-6916 DON 561 172 0.6 74
Show 12357-6721 TDS8452 219 1.7 76
Show 12367-6713 I 906 160 1.1 77
Show 12452-6649 DON 550 48 0.7 78
Show 12324-6753 DON 534 BC 278 0.9 79
Show 12324-6753 MLO 44 A,BC 173 6.6 79
Show 12372-6908 DON 541 AB 321 28.8 80
Show 12372-6908 SHT 45 AC 198 4.9 80
Show 12372-6908 SHT 45 AD 243 3.4 80
Show 12372-6908 SHT 45 AE 159 5.8 80
Show 12372-6908 RIZ 4 Aa,Ab -1 0.0 80
Show 12528-6656 DON1102 343 6.1 81
Show 12421-6924 EVS 20 329 7.0 82
Show 12429-6646 TDS8495 151 0.6 83
Show 12574-6713 HDS1816 37 0.1 83
Show 12334-6850 HDS1763 286 22.6 84
Show 12417-6647 KPP3876 244 5.2 85

 
 
WDS 12463-6806 : COMPONENTS
 
 
  A Ab B
Ab pa=147.7°
sep=0.03"
 
B pa=30.7°
sep=0.59"
pa=28.4°
sep=0.60"
 
C pa=14.9°
sep=80.12"
pa=14.9°
sep=80.13"
pa=14.8°
sep=79.55"
 
 
12463-6806 A
 
 
Name Bet Mus Coord arcsec 2000 124616.87-680629.1 Mag 3.52 Spectral class B2.5V (blue-white)
PmRA -40.00 PmDE -10.0 SAO 252019 HIP 62322
Tycho2 9228-03047-1 HD 110879 HR 4844 GC 17348
CP CP-67 2064 Bayer Beta Muscae Bayer name Bet Mus
Tycho2
Tycho2 9228-03047-1 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 3.328 E BTmag 0.014 VTmag 3.518
E VTmag 0.009 Prox 12 TYC T HIP 62322
CCDM A RAdeg 191.57027222 DEdeg -68.10809500 EpRA 1990 1.67
EpDE 1990 1.68 E RAdeg 3.2 E DEdeg 3.2 Posflg D
Corr -0.1
SAO
SAO 252019 DelFlag RA1950 PmRA1950 -0.0056
DE1950 PmDE1950 -0.024 Vmag 3.3 SpType B3
Double code Source 71 CatNum 480 DM CP-67 2064
DMcomp BDsup HD 110879 M HD 0
GC 17348 RA1950rad 3.33005126 DE1950rad -1.18394001 PmRA2000 -0.007
PmDE2000 -0.017
Hipparcos
Catalog H HIP 62322 Proxy H RAhms 12 46 16.87
DEdms -68 06 29.1 Vmag 3.04 VarFlag R Vmag G
RAdeg 191.57 DEdeg -68.1081 AstroRef A Plx 10.48
CCDM 12463-6806 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 35 Rho 1.206 HD 110879 BD
CD CP CP-67 2064 Dm number -67 2064 VIred -0.19
SpType B2V R SpType Coord arcsec 2000 124616.87-680629.1
Hipparcos 2
HIP 62322 Sn 15 So 3 Nc 2
RArad 3.3435323214 DErad -1.1887104886 Plx 9.55 PmRA -41.97
PmDE -8.89 E RArad 0.31 E DErad 0.3 E Plx 0.41
E pmRA 0.43 E pmDE 0.31 Hpmag 2.9789 E Hpmag 0.0006
SHp 0.005 VA 0 BV -0.178 E BV 0.005
VI -0.19
CCDM
Ccdm 12463-6806 RComp Comp A Note1
Note2 Discov num DRAs -1.12 DDEs -29.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 3.9 Sp B3 PmNote *
PmRA -32 PmDE -17 Dm number -67 2064 Cat1 CPD
Name2 252019 Cat2 SAO HD 110879 M HD
ADS BDS M ADS BDS N IDS IDS 12402S6733A
HIC 62322
 
 
12463-6806 Ab
 
 
Coord arcsec 2000 124616.87-680629.1 Mag 6.6 Calc delta mag 3.5 Calc coord yes
 
 
12463-6806 B
 
 
Coord arcsec 2000 124616.92-680628.6 Mag 3.98 Calc delta mag 0.88 Calc coord yes
CCDM
Ccdm 12463-6806 RComp Comp B Note1 *
Note2 Discov num R 207 DRAs DDEs
R dRAs Year 1955 Theta 014 Rho 1.4
Obs 99 Vmag 4.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12402S6733B
HIC 62322
 
 
12463-6806 C
 
 
Coord arcsec 2000 124620.55-680511.7 Mag 15.9 PmRA -37.00 PmDE -11.0
Calc delta mag 12.8 Calc coord yes