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Current system
12270-0332
A 79 AB


Nearby doubles
13' : 12274-0321
GWP1810AB

21' : 12277-0315
CRC 67

22' : 12256-0334
KPP 270

43' : 12297-0320
TOK 27

44' : 12243-0315
KPP2748

48' : 12275-0244
LDS2881

50' : 12285-0248
GWP1815AB

52' : 12250-0414
TOK 400AB

52' : 12249-0251
GWP1804

56' : 12239-0303
HJ 209

59' : 12261-0429
BU 922

59' : 12292-0421
KPP1951

60' : 12234-0358
RST4497

70' : 12278-0223
OCC 140

71' : 12228-0405
BWL 29AB

71' : 12317-0343
HDS1761

83' : 12266-0210
CBL 382

87' : 12322-0409
KPP2747AB

92' : 12236-0448
GWP1801

95' : 12219-0237
HLD 12AB

100' : 12265-0153
HLD 13AB

103' : 12253-0152
FOX 68

104' : 12256-0513
UC 2334

105' : 12329-0235
SLW 734

106' : 12206-0420
BRT 549

108' : 12238-0156
SLW 714



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.

12270-0332 A 79 AB

 
 
12h 27m 00.77s -03° 32' 05.6" P.A. 98.00 sep 0.5 mag 8.89,10.03 Sp G5 dist. 63.05 pc (205.67 l.y.)
 
 
Coord 2000 12270-0332 Discov num A    79 Comp AB Coord arcsec 2000 12 27 00.77 -03 32 05.6
Date first 1900 Date last 2017 Obs 19
Pa first 90 Pa last 98.1 P.A. Now (θ) 98.1°
Sep first 0.4 Sep last 0.504 Sep. Now (ρ) 0.504"
Mag pri 8.89 Mag sec 10.03 delta mag (ΔM) 1.14 Spectral class G5 (yellow)
Pri motion ra +132 Sec motion ra
Pri motion dec -095 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
12270-0332 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 138788 12 27 01 -03 32 06 A 79 AB 2017 19 98 0.5 8.89 10.03 1.14 Y <===
Show 138788 12 27 01 -03 32 06 A 79 AB,C 2015 8 322 32.1 8.51 14.50 5.99
Show HD 108361 138788 12 27 01 -03 32 06 HJ 210 AB,D 2015 22 146 24.8 8.51 10.20 1.69
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo SAO 138788 HIP 60749 Tycho2 4944-00617-1
Gaia DR2 3693142837668713472 HD 108361 ADS 8552 BD BD-02 3519
Distance 63.05 Distance ly 205.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)232y Periastron (T)1986.63y Semi-major axis (a)0.748a
Eccentricity (e)0.962 Inclination (i)100.4° Longitude of periastron (ω)250°
Node (Ω)113.7° Notesn ReferenceTok2017c
Equinox2000 Last observation2017 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 102.0 0.366
2001 101.7 0.377
2002 101.4 0.388
2003 101.1 0.398
2004 100.9 0.408
2005 100.6 0.417
2006 100.4 0.426
2007 100.1 0.435
2008 99.9 0.443
2009 99.7 0.451
2010 99.5 0.458
2011 99.3 0.465
2012 99.1 0.472
2013 98.9 0.479
2014 98.7 0.485
2015 98.5 0.491
2016 98.4 0.497
2017 98.2 0.502
2018 98.0 0.508
2019 97.9 0.513
2020 97.7 0.518
2021 97.5 0.523
2022 97.4 0.527
2023 97.2 0.532
2024 97.1 0.536
2025 96.9 0.540
2026 96.8 0.544
2027 96.6 0.548
2028 96.5 0.551
2029 96.4 0.555
2030 96.2 0.558


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


 
  


wds12270-0332e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12270-0332 A 79 AB : NOTES
 
 
discov_num notes refcode
HJ 210 LDS2880.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2017c orb - Tokovinin, A. 2017IAUDS.193....1T
Tok2017c Inf. Circ. 193, 1, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12270-0332 A 79 AB 2004 17 101 0.4 8.89 10.03 G5 OD 122700.77-033205.6
12270-0332 A 79 AB 2013 18 99 0.5 8.89 10.03 G5 NOD 122700.77-033205.6
12270-0332 A 79 AB 2017 19 98 0.5 8.89 10.03 G5 NO 122700.77-033205.6

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

 
 
WDS 12270-0332 A 79 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12270-0332 A 79 AB : MEASURES
 
 
No records found.

 
 
WDS 12270-0332 : VIRTUAL EYEPIECE
 
 

12270-0332 A 79A mag 8.89 Sp G5 12270-0332 A 79B sep 0.5 P.A. 98.10 mag 10.03 12270-0332 A 79C sep 32.1 P.A. 322.50 mag 14.5 12270-0332 HJ 210D sep 24.8 P.A. 146.40 mag 10.2 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 12270-0332 : ALADIN DSS IMAGE @ 12h 27m 00.77s -03° 32' 05.6"
 
 
 
 
WDS 12270-0332 A 79 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12270-0332 A 79AB distance=1' 12270-0332 HJ 210AB,D distance=1' 12270-0332 A 79AB,C distance=1' 12274-0321 GWP1810AB distance=13' 12274-0321 GWP1811AC distance=13' 12277-0315 CRC 67 distance=21' 12256-0334 KPP 270 distance=22' 12297-0320 TOK 27 distance=43' 12243-0315 KPP2748 distance=44' 12275-0244 LDS2881 distance=48' 12285-0248 GWP1815AB distance=50' 12250-0414 TOK 400AB distance=52' 12250-0414 NSN 123AC distance=52' 12249-0251 GWP1804 distance=52' 12239-0303 HJ 209 distance=56' 12261-0429 BU 922 distance=59' 12292-0421 KPP1951 distance=59' 12234-0358 RST4497 distance=60' 12278-0223 OCC 140 distance=70' 12228-0405 BWL 29AB distance=71' 12228-0405 BWL 29AC distance=71' 12228-0405 BWL 29AD distance=71' 12317-0343 HDS1761 distance=71' 12266-0210 CBL 382 distance=83' 12322-0409 KPP2747AB distance=87' 12322-0409 KPP2747AC distance=87' 12322-0409 KPP2747BC distance=87' 12236-0448 GWP1801 distance=92' 12219-0237 HLD 12AB distance=95' 12219-0237 HLD 12AC distance=95' 12219-0237 HLD 12AD distance=95' 12265-0153 HLD 13AB distance=100' 12265-0153 HLD 13AC distance=100' 12265-0153 HLD 13CD distance=100' 12253-0152 FOX 68 distance=103' 12256-0513 UC 2334 distance=104' 12329-0235 SLW 734 distance=105' 12206-0420 BRT 549 distance=106' 12238-0156 SLW 714 distance=108' 12312-0204 RST4962 distance=108' 12270-0137 BAL 541 distance=115' 12297-0519 VKI 18 distance=115' 12330-0217 HJ 1217 distance=118' 12192-0319 TOK 283 distance=118' 12207-0452 NSN 118 distance=123' 12298-0527 B 2737 distance=124' 12268-0536 A 78 distance=124' 12311-0519 A 3084 distance=124' 12323-0154 HJ 211 distance=127' 12328-0158 CVR 656 distance=128' 12352-0254 CVR1450 distance=129' 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 12270-0332 A 79 AB 98 0.5 1
Show 12270-0332 HJ 210 AB,D 146 24.8 1
Show 12270-0332 A 79 AB,C 322 32.1 1
Show 12274-0321 GWP1810 AB 36 72.5 13
Show 12274-0321 GWP1811 AC 71 14.9 13
Show 12277-0315 CRC 67 15 1.5 21
Show 12256-0334 KPP 270 301 3.7 22
Show 12297-0320 TOK 27 14 16.2 43
Show 12243-0315 KPP2748 318 1.9 44
Show 12275-0244 LDS2881 204 7.0 48
Show 12285-0248 GWP1815 AB 270 124.7 50
Show 12250-0414 TOK 400 AB 166 0.1 52
Show 12250-0414 NSN 123 AC 190 6.2 52
Show 12249-0251 GWP1804 85 41.7 52
Show 12239-0303 HJ 209 147 23.8 56
Show 12261-0429 BU 922 75 0.3 59
Show 12292-0421 KPP1951 337 15.4 59
Show 12234-0358 RST4497 296 1.8 60
Show 12278-0223 OCC 140 -1 0.1 70
Show 12228-0405 BWL 29 AB 99 0.1 71
Show 12228-0405 BWL 29 AC 220 5.4 71
Show 12228-0405 BWL 29 AD 164 4.4 71
Show 12317-0343 HDS1761 120 0.7 71
Show 12266-0210 CBL 382 336 12.7 83
Show 12322-0409 KPP2747 AB 114 7.1 87
Show 12322-0409 KPP2747 AC 122 7.8 87
Show 12322-0409 KPP2747 BC 178 2.4 87
Show 12236-0448 GWP1801 155 10.2 92
Show 12219-0237 HLD 12 AB 99 1.1 95
Show 12219-0237 HLD 12 AC 315 50.2 95
Show 12219-0237 HLD 12 AD 307 117.8 95
Show 12265-0153 HLD 13 AB 134 1.3 100
Show 12265-0153 HLD 13 AC 72 130.8 100
Show 12265-0153 HLD 13 CD 7 15.0 100
Show 12253-0152 FOX 68 165 3.9 103
Show 12256-0513 UC 2334 268 46.3 104
Show 12329-0235 SLW 734 244 10.6 105
Show 12206-0420 BRT 549 234 8.3 106
Show 12238-0156 SLW 714 170 39.8 108
Show 12312-0204 RST4962 78 1.1 108
Show 12270-0137 BAL 541 86 12.7 115
Show 12297-0519 VKI 18 139 2.6 115
Show 12330-0217 HJ 1217 307 34.7 118
Show 12192-0319 TOK 283 175 35.0 118
Show 12207-0452 NSN 118 212 5.5 123
Show 12298-0527 B 2737 61 8.2 124
Show 12268-0536 A 78 80 0.3 124
Show 12311-0519 A 3084 250 0.1 124
Show 12323-0154 HJ 211 278 11.1 127
Show 12328-0158 CVR 656 20 11.3 128
Show 12352-0254 CVR1450 87 4.0 129

 
 
WDS 12270-0332 : COMPONENTS
 
 
  A B C
B pa=98.1°
sep=0.50"
 
C pa=322.5°
sep=32.08"
pa=321.8°
sep=32.44"
 
D pa=146.4°
sep=24.75"
pa=147.2°
sep=24.42"
pa=144.1°
sep=56.80"
 
 
12270-0332 A
 
 
Coord arcsec 2000 122700.77-033205.6 Mag 8.89 Spectral class G5 (yellow) PmRA 132.00
PmDE -95.0 SAO 138788 HIP 60749 Tycho2 4944-00617-1
HD 108361 ADS 8552 BD BD-02 3519
Tycho2
Tycho2 4944-00617-1 Pflag RAmdeg 186.75325249 DEmdeg -3.53492040
PmRA 127.3 PmDE -94.7 E RAmdeg 7 E DEmdeg 9
E pmRA 0.8 E pmDE 0.9 EpRAm 1990.17 EpDEm 1989.97
Num 19 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 9.234 E BTmag 0.019 VTmag 8.507
E VTmag 0.014 Prox 247 TYC T HIP 60749
CCDM AB RAdeg 186.75295889 DEdeg -3.53470194 EpRA 1990 1.74
EpDE 1990 1.70 E RAdeg 7.4 E DEdeg 8.9 Posflg P
Corr 0.2
SAO
SAO 138788 DelFlag RA1950 PmRA1950 0.0091
DE1950 PmDE1950 -0.098 Vmag 8 SpType G5
Double code Source 27 CatNum 4589 DM BD-02 3519
DMcomp BDsup HD 108361 M HD 0
GC RA1950rad 3.24821622 DE1950rad -0.05684614 PmRA2000 0.0093
PmDE2000 -0.093
Hipparcos
Catalog H HIP 60749 Proxy H RAhms 12 27 00.71
DEdms -03 32 04.9 Vmag 8.45 VarFlag R Vmag G
RAdeg 186.753 DEdeg -3.53469 AstroRef * Plx 13.84
CCDM 12270-0332 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source P Qual B M HIP AB
Theta 108 Rho 0.23 HD 108361 BD BD-02 3519
CD CP Dm number -02 3519 VIred 0.72
SpType G5 R SpType Coord arcsec 2000 122700.71-033204.9
Hipparcos 2
HIP 60749 Sn 55 So 3 Nc 2
RArad 3.259453834 DErad -0.0616919662 Plx 15.86 PmRA 118.13
PmDE -93.23 E RArad 0.94 E DErad 0.84 E Plx 1.16
E pmRA 1.04 E pmDE 0.87 Hpmag 8.557 E Hpmag 0.0027
SHp 0.025 VA 0 BV 0.657 E BV 0.005
VI 0.72
CCDM
Ccdm 12270-0332 RComp Comp A Note1
Note2 Discov num DRAs 0.84 DDEs -6.0
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.6 Sp G5 PmNote *
PmRA 136 PmDE -98 Dm number -02 3519 Cat1 BD
Name2 138788 Cat2 SAO HD 108361 M HD
ADS BDS A 8552 M ADS BDS N IDS IDS 12219S0259A
HIC 60749
 
 
12270-0332 B
 
 
Coord arcsec 2000 122700.80-033205.7 Mag 10.03 Calc delta mag 1.14 Calc coord yes
CCDM
Ccdm 12270-0332 RComp Comp B Note1
Note2 Discov num A 79 DRAs DDEs
R dRAs Year 1958 Theta 057 Rho 0.2
Obs 7 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8552 M ADS BDS N IDS IDS 12219S0259B
HIC 60749
 
 
12270-0332 C
 
 
Coord arcsec 2000 122659.46-033140.2 Mag 14.5 Calc delta mag 5.61 Calc coord yes
CCDM
Ccdm 12270-0332 RComp Comp C Note1
Note2 Discov num A 79 DRAs DDEs
R dRAs Year 1900 Theta 347 Rho 15.5
Obs 2 Vmag 14.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8552 M ADS BDS N IDS IDS 12219S0259C
HIC
 
 
12270-0332 D
 
 
Coord arcsec 2000 122701.69-033226.2 Mag 10.2 PmRA 126.00 PmDE -96.0
HIP 60750 Tycho2 4944-01339-1 Calc delta mag 1.31 Calc coord yes
Tycho2
Tycho2 4944-01339-1 Pflag RAmdeg 186.75708777 DEmdeg -3.54061910
PmRA 125.5 PmDE -95.8 E RAmdeg 23 E DEmdeg 29
E pmRA 1.2 E pmDE 1.3 EpRAm 1982.57 EpDEm 1979.52
Num 5 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.7 BTmag 11.080 E BTmag 0.061 VTmag 10.204
E VTmag 0.043 Prox 247 TYC T HIP 60750
CCDM D RAdeg 186.75680222 DEdeg -3.54039444 EpRA 1990 1.82
EpDE 1990 1.73 E RAdeg 27.7 E DEdeg 36.5 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 60750 Proxy RAhms 12 27 01.63
DEdms -03 32 25.5 Vmag 10.42 VarFlag R Vmag G
RAdeg 186.757 DEdeg -3.54041 AstroRef D Plx 13.84
CCDM 12270-0332 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.96
SpType R SpType Coord arcsec 2000 122701.63-033225.5
Hipparcos 2
HIP 60750 Sn 15 So 3 Nc 1
RArad 3.2595207429 DErad -0.061791843 Plx 2.96 PmRA 133.08
PmDE -93.71 E RArad 8.12 E DErad 6.09 E Plx 9.69
E pmRA 8.71 E pmDE 6.11 Hpmag 10.4313 E Hpmag 0.019
SHp 0.203 VA 0 BV 0.917 E BV 0.006
VI 0.96
CCDM
Ccdm 12270-0332 RComp Comp D Note1
Note2 Discov num HJ 210 DRAs DDEs
R dRAs Year 1893 Theta 146 Rho 25.0
Obs 3 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8552 M ADS BDS N IDS IDS 12219S0259D
HIC 60750