12546-5711 DUN 126 AB (Mu1 Cru)

 
 
12h 54m 35.66s -57° 10' 40.4" P.A. 17.00 sep 34.5 mag 3.94,4.95 Sp B2IV-V dist. 127.06 pc (414.47 l.y.)
 
 
Coord 2000 12546-5711 Discov num DUN 126 Comp AB Coord arcsec 2000 12 54 35.66 -57 10 40.4
Date first 1826 Date last 2020 Obs 39
Pa first 10 Pa last 17.3 P.A. Now (θ) 17.3°
Sep first 35.9 Sep last 34.52 Sep. Now (ρ) 34.52"
Mag pri 3.94 Mag sec 4.95 delta mag (ΔM) 1.01 Spectral class B2IV-V (blue-white)
Pri motion ra -031 Sec motion ra -033
Pri motion dec -013 Sec motion dec -011
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=0.081 (< 0.3, Physical double)
This double is physical.
 
 
12546-5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Mu1 Cru 240366 12 54 36 -57 10 40 DUN 126 AB 2020 39 17 34.5 3.94 4.95 1.01 <===
Show 240367 12 54 37 -57 10 07 SHT 47 BC 2000 1 241 4.7 5.80 16.60 10.80
Show 240367 12 54 37 -57 10 07 SHT 47 BD 2000 1 333 5.0 5.80 16.30 10.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Mu1 Cru Constellation Crux SAO 240366 HIP 63003
Tycho2 8656-03488-1 Gaia DR2 6060547163653418112 HD 112092 HR 4898
GC 17512 CP CP-56 5487 Bayer Mu 1 Crucis Bayer name Mu1 Cru
Distance 127.06 Distance ly 414.47 Bayer greek μ1 Cru
 
 
WDS 12546-5711 DUN 126 AB (Mu1 Cru) : NOTES
 
 
discov_num notes refcode
DUN 126 A: mu 1 Cru
B: mu 2 Cru. B is variable, spectrum B5Vne.
Statistically the same parallax within the errors would indicate the
components are physical.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
Sht1998 - Shatsky, N.I. 1998SvAL...24..257S
Sht1998 SvAL 24, 257, 1998
Sht1999 C - Shatsky, N.I., Sinachopoulos, D., Prado, P. & van Dessel, E. 1999A&AS..139...69S
Sht1999 A&AS 139, 69, 1999
Sht2002 A - Shatsky, N.I. & Tokovinin, A. 2002A&A...382...92S
Sht2002 A&A 382, 92, 2002
Sht2014 - Denisenko, D., Lipunov, V., Balanutsa, P. & Shatsky, N. 2014ATel.5788....1D
Sht2014 Astronomer's Telegram #5788 (http://www.astronomerstelegram.org/?read=5788)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12546-5711 DUN 126 AB 2007 31 17 34.6 3.94 4.95 B2IV-V N D 125435.66-571040.4
12546-5711 DUN 126 AB 2010 32 16 34.8 3.94 4.95 B2IV-V N D 125435.66-571040.4
12546-5711 DUN 126 AB 2011 34 24 36.6 3.94 4.95 B2IV-V N D 125435.66-571040.4
12546-5711 DUN 126 AB 2016 36 17 34.9 3.94 4.95 B2IV-V NZ 125435.66-571040.4
12546-5711 DUN 126 AB 2018 37 17 35.2 3.94 4.95 B2IV-V NZ 125435.66-571040.4
12546-5711 DUN 126 AB 2020 38 17 34.5 3.94 4.95 B2IV-V NZ 125435.66-571040.4

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

 
 
WDS 12546-5711 DUN 126 AB (Mu1 Cru) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12546-5711 DUN 126 AB (Mu1 Cru) : MEASURES
 
 
No records found.

 
 
WDS 12546-5711 (Mu1 Cru) : VIRTUAL EYEPIECE
 
 

12546-5711 DUN 126A mag 3.94 Sp B2IV 12546-5711 SHT  47B sep 34.7 P.A. 16.80 mag 5.8 Sp B5Vne 12546-5711 SHT  47C sep 31.9 P.A. 14.10 mag 16.6 12546-5711 SHT  47D sep 38.7 P.A. 13.10 mag 16.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 12546-5711 (Mu1 Cru) : ALADIN DSS IMAGE @ 12h 54m 35.66s -57° 10' 40.4"
 
 
 
 
WDS 12546-5711 DUN 126 AB (Mu1 Cru) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12546-5711  DUN 126AB distance=0' 12546-5711  SHT  47BC distance=1' 12546-5711  SHT  47BD distance=1' 12563-5729  FIN  62 distance=22' 12560-5650  HDO 221 distance=24' 12553-5643  TDS8587 distance=29' 12537-5739  FIN  66 distance=30' 12547-5753  TDS8583 distance=43' 13000-5708  TDS8633 distance=44' 12492-5705  TOB 125 distance=44' 12509-5743  TOK 385 distance=45' 12517-5751  TDS8565 distance=47' 12489-5701  DAM2485 distance=48' 12543-5758  TDS8576 distance=48' 12492-5736  TDS 678 distance=51' 12572-5625  TDS8611 distance=51' 12597-5742  TDS8632 distance=53' 12480-5713  RST2816 distance=54' 12512-5757  TDS8560 distance=54' 12480-5702  TDS8527 distance=54' 12560-5618  TDS8596 distance=55' 13010-5730  RSS 298 distance=56' 12575-5620  TOB 130AB distance=56' 12575-5620  TOB 130AC distance=56' 12475-5726  COO 141 distance=60' 12479-5743  BRT2810 distance=63' 13012-5639  HDS1827 distance=63' 12470-5654  BRT2809 distance=64' 12497-5802  TDS8541Aa,Ab distance=65' 12497-5802  TOB 126AB distance=65' 12493-5803  TDS8539 distance=68' 12481-5626  JSP 558 distance=70' 13019-5635  TDS8652 distance=70' 13032-5701  TDS8667 distance=71' 12498-5812  TDS8542 distance=72' 13010-5621  TDS8643 distance=73' 12541-5558  RST2822 distance=74' 12583-5819  JSP 567 distance=75' 12544-5826  EVS  21AB distance=76' 12544-5826  EVS  21AC distance=76' 12472-5757  TDS8521 distance=76' 12456-5653  TOB 120 distance=76' 12452-5721  SHY  65AB distance=77' 12452-5721  KPP3019AC distance=77' 12593-5820  TDS8629 distance=79' 12550-5552  WIS 209 distance=79' 12464-5629  HJ 4548AB distance=80' 12464-5629  SHT  46AC distance=80' 12464-5629  SHT  46AD distance=80' 12464-5629  SHT  46AE distance=80' 13015-5808  RST1701BC distance=80' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 12546-5711 DUN 126 AB 17 34.5
Show 12546-5711 SHT 47 BC 241 4.7 1
Show 12546-5711 SHT 47 BD 333 5.0 1
Show 12563-5729 FIN 62 85 2.1 22
Show 12560-5650 HDO 221 316 29.6 24
Show 12553-5643 TDS8587 228 1.9 29
Show 12537-5739 FIN 66 270 1.7 30
Show 12547-5753 TDS8583 208 0.5 43
Show 13000-5708 TDS8633 36 0.5 44
Show 12492-5705 TOB 125 274 21.5 44
Show 12509-5743 TOK 385 106 0.1 45
Show 12517-5751 TDS8565 75 2.3 47
Show 12489-5701 DAM2485 327 1.8 48
Show 12543-5758 TDS8576 61 0.8 48
Show 12492-5736 TDS 678 303 1.4 51
Show 12572-5625 TDS8611 108 0.8 51
Show 12597-5742 TDS8632 25 1.1 53
Show 12480-5713 RST2816 130 2.8 54
Show 12512-5757 TDS8560 301 0.4 54
Show 12480-5702 TDS8527 171 4.1 54
Show 12560-5618 TDS8596 154 1.7 55
Show 13010-5730 RSS 298 327 26.1 56
Show 12575-5620 TOB 130 AB 60 23.6 56
Show 12575-5620 TOB 130 AC 25 45.0 56
Show 12475-5726 COO 141 141 3.9 60
Show 12479-5743 BRT2810 8 3.2 63
Show 13012-5639 HDS1827 270 0.4 63
Show 12470-5654 BRT2809 353 12.2 64
Show 12497-5802 TDS8541 Aa,Ab 213 0.5 65
Show 12497-5802 TOB 126 AB 356 22.2 65
Show 12493-5803 TDS8539 209 2.2 68
Show 12481-5626 JSP 558 65 0.6 70
Show 13019-5635 TDS8652 345 0.8 70
Show 13032-5701 TDS8667 234 2.1 71
Show 12498-5812 TDS8542 326 0.5 72
Show 13010-5621 TDS8643 316 1.4 73
Show 12541-5558 RST2822 98 0.4 74
Show 12583-5819 JSP 567 229 3.3 75
Show 12544-5826 EVS 21 AB 20 12.1 76
Show 12544-5826 EVS 21 AC 70 13.9 76
Show 12472-5757 TDS8521 211 0.4 76
Show 12456-5653 TOB 120 294 26.0 76
Show 12452-5721 SHY 65 AB 56 999.9 77
Show 12452-5721 KPP3019 AC 106 21.8 77
Show 12593-5820 TDS8629 256 1.0 79
Show 12550-5552 WIS 209 105 829.8 79
Show 12464-5629 HJ 4548 AB 166 51.1 80
Show 12464-5629 SHT 46 AC 151 4.1 80
Show 12464-5629 SHT 46 AD 41 7.4 80
Show 12464-5629 SHT 46 AE 223 8.6 80
Show 13015-5808 RST1701 BC 26 0.4 80

 
 
WDS 12546-5711 : COMPONENTS
 
 
  A B C
B pa=16.8°
sep=34.67"
 
C pa=14.1°
sep=31.87"
pa=223.9°
sep=3.19"
 
D pa=13.1°
sep=38.68"
pa=344.4°
sep=4.64"
pa=8.1°
sep=6.84"
 
 
12546-5711 A
 
 
Name Mu1 Cru Coord arcsec 2000 125435.66-571040.4 Mag 3.94 Spectral class B2IV (blue-white)
PmRA -31.00 PmDE -13.0 SAO 240366 HIP 63003
Tycho2 8656-03488-1 HD 112092 HR 4898 GC 17512
CP CP-56 5487 Bayer Mu 1 Crucis Bayer name Mu1 Cru
Tycho2
Tycho2 8656-03488-1 Pflag RAmdeg 193.64843978 DEmdeg -57.17791894
PmRA -29.1 PmDE -12.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.69 EpDEm 1991.65
Num 13 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 0.9 BTmag 3.744 E BTmag 0.014 VTmag 3.938
E VTmag 0.009 Prox 348 TYC T HIP 63003
CCDM RAdeg 193.64856222 DEdeg -57.17789139 EpRA 1990 1.80
EpDE 1990 1.76 E RAdeg 3.2 E DEdeg 3.3 Posflg
Corr -0.1
SAO
SAO 240366 DelFlag RA1950 PmRA1950 -0.0036
DE1950 PmDE1950 -0.01 Vmag 4.3 SpType B3
Double code Source 70 CatNum 17512 DM CP-56 5487
DMcomp A BDsup HD 112092 M HD 0
GC 17512 RA1950rad 3.36691423 DE1950rad -0.99320869 PmRA2000 -0.004
PmDE2000 -0.006
Hipparcos
Catalog H HIP 63003 Proxy RAhms 12 54 35.66
DEdms -57 10 40.4 Vmag 4.03 VarFlag R Vmag G
RAdeg 193.649 DEdeg -57.1779 AstroRef Plx 8.64
CCDM 12546-5711 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 112092 BD
CD CP CP-56 5487 Dm number -56 5487 VIred -0.26
SpType B2IV-V R SpType Coord arcsec 2000 125435.66-571040.4
Hipparcos 2
HIP 63003 Sn 5 So 0 Nc 1
RArad 3.3798051948 DErad -0.9979424596 Plx 7.87 PmRA -30.69
PmDE -13.08 E RArad 0.1 E DErad 0.1 E Plx 0.17
E pmRA 0.13 E pmDE 0.11 Hpmag 3.9538 E Hpmag 0.0005
SHp 0.006 VA 0 BV -0.18 E BV 0.009
VI -0.26
CCDM
Ccdm 12546-5711 RComp Comp A Note1
Note2 Discov num DRAs -0.33 DDEs 20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.3 Sp B3 PmNote *
PmRA -28 PmDE -5 Dm number -56 5487 Cat1 CPD
Name2 240366 Cat2 SAO HD 112092 M HD
ADS BDS M ADS BDS N IDS IDS 12487S5638A
HIC 63003
 
 
12546-5711 B
 
 
Coord arcsec 2000 125436.89-571007.2 Coord calc 125436.89-571007.2 Mag 5.8 Spectral class B5Vne (blue-white)
PmRA -28.00 PmDE -15.0 SAO 240367 HIP 63005
Tycho2 8656-03487-1 HD 112091 HR 4899 GC 17513
Bayer Mu 2 Crucis Bayer name Mu2 Cru Calc delta mag 1.86
Tycho2
Tycho2 8656-03487-1 Pflag RAmdeg 193.65372053 DEmdeg -57.16868306
PmRA -27.9 PmDE -15.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.70 EpDEm 1991.67
Num 12 Q RAmdeg 1.7 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.1 BTmag 4.836 E BTmag 0.014 VTmag 4.951
E VTmag 0.009 Prox 348 TYC T HIP 63005
CCDM RAdeg 193.65383778 DEdeg -57.16864889 EpRA 1990 1.79
EpDE 1990 1.76 E RAdeg 3.2 E DEdeg 3.3 Posflg D
Corr -0.1
SAO
SAO 240367 DelFlag RA1950 PmRA1950 -0.0039
DE1950 PmDE1950 -0.005 Vmag 5.5 SpType B3p
Double code Source 70 CatNum 17513 DM CP-56 5487
DMcomp B BDsup HD 112091 M HD 0
GC 17513 RA1950rad 3.36700305 DE1950rad -0.99304314 PmRA2000 -0.0043
PmDE2000 -0.001
Hipparcos
Catalog H HIP 63005 Proxy RAhms 12 54 36.92
DEdms -57 10 07.1 Vmag 5.08 VarFlag R Vmag G
RAdeg 193.654 DEdeg -57.1686 AstroRef Plx 9.03
CCDM 12546-5711 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 112091 BD
CD CP Dm number VIred 0.12
SpType B5Vne R SpType Coord arcsec 2000 125436.92-571007.1
Hipparcos 2
HIP 63005 Sn 5 So 0 Nc 1
RArad 3.379897092 DErad -0.9977810656 Plx 8.01 PmRA -32.49
PmDE -10.92 E RArad 0.18 E DErad 0.17 E Plx 0.29
E pmRA 0.23 E pmDE 0.19 Hpmag 5.11 E Hpmag 0.001
SHp 0.008 VA 0 BV -0.089 E BV 0.02
VI -0.07
CCDM
Ccdm 12546-5711 RComp Comp B Note1
Note2 Discov num DUN 126 DRAs 0.90 DDEs 53.4
R dRAs 91 Year 1826 Theta 017 Rho 34.9
Obs 9 Vmag 5.3 Sp B3 PmNote *
PmRA -32 PmDE -13 Dm number Cat1
Name2 240367 Cat2 SAO HD 112091 M HD
ADS BDS M ADS BDS N IDS IDS 12487S5638B
HIC 63005
 
 
12546-5711 C
 
 
Coord arcsec 2000 125436.62-571009.5 Mag 16.6 Calc delta mag 12.66 Calc coord yes
 
 
12546-5711 D
 
 
Coord arcsec 2000 125436.74-571002.7 Mag 16.3 Calc delta mag 12.36 Calc coord yes