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Current system
06561+2005
HO 27 AB


Nearby doubles
26' : 06565+1940
COU 770

38' : 06577+1935
A 2459AB

49' : 06571+2058
J 1979

49' : 06526+2015
BRT2366

50' : 06565+1916
BRT2367

52' : 06589+2036
COU 922

53' : 06564+2057
OCC 851

55' : 06568+2059
COU 920

58' : 06572+2100
OCC 845

58' : 07001+1953
SLE 387

62' : 06519+2020
HO 26

69' : 06581+2107
OCC 854

69' : 06544+2110
STT 160

73' : 06590+2105
A 2121

74' : 07004+1926
VKI 14

75' : 07014+2006
SLE 389

76' : 06596+2102
OCC 291

76' : 06581+2115
OCC 852

76' : 06519+1917
TDS4223

77' : 06514+1929
J 1098

78' : 07013+2029
SLE 388

79' : 06505+1958
OCC 890

84' : 07017+2029
J 1918

84' : 06510+2048
OCC 862

84' : 07001+2106
OCC 846

86' : 07015+2042
J 1917



Selections
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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.

06561+2005 HO 27 AB

 
 
06h 56m 03.65s +20° 05' 03.2" P.A. 127.00 sep 3.7 mag 9.64,10.08 Sp A2
 
 
Coord 2000 06561+2005 Discov num HO   27 Comp AB Coord arcsec 2000 06 56 03.65 +20 05 03.2
Date first 1882 Date last 2016 Obs 27
Pa first 126 Pa last 127.4 P.A. Now (θ) 127.4°
Sep first 3.0 Sep last 3.741 Sep. Now (ρ) 3.741"
Mag pri 9.64 Mag sec 10.08 delta mag (ΔM) 0.44 Spectral class A2 (white)
Pri motion ra -048 Sec motion ra -022
Pri motion dec -104 Sec motion dec -128
Notes
rPM=0.272 (< 0.3, Physical double)
This double is physical.
 
 
06561+2005 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 06 56 04 +20 05 03 HO 27 AB 2016 27 127 3.7 9.64 10.08 0.44 <===
Show 78880 06 56 04 +20 05 03 HO 27 AC 2015 19 149 23.0 9.64 9.71 0.07
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Gemini Tycho2 1352-01149-1 Gaia DR2 3365959758140494976 ADS 5591
 
 
WDS 06561+2005 HO 27 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
06561+2005 HO 27 AB 2007 18 127 3.5 9.64 10.08 A2 D 065603.65+200503.2
06561+2005 HO 27 AB 2008 19 127 3.7 9.64 10.08 A2 D 065603.65+200503.2
06561+2005 HO 27 AB 2010 20 128 3.6 9.64 10.08 A2 D 065603.65+200503.2
06561+2005 HO 27 AB 2014 22 127 3.8 9.64 10.08 A2 065603.65+200503.2
06561+2005 HO 27 AB 2015 26 127 3.7 9.64 10.08 A2 065603.65+200503.2
06561+2005 HO 27 AB 2016 27 127 3.7 9.64 10.08 A2 065603.65+200503.2

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

 
 
WDS 06561+2005 HO 27 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06561+2005 HO 27 AB : MEASURES
 
 
No records found.

 
 
WDS 06561+2005 : VIRTUAL EYEPIECE
 
 

06561+2005 HO 27A mag 9.64 Sp A2 06561+2005 HO 27B sep 3.6 P.A. 129.10 mag 10.08 06561+2005 HO 27C sep 22.6 P.A. 150.10 mag 9.71 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 06561+2005 : ALADIN DSS IMAGE @ 06h 56m 03.65s +20° 05' 03.2"
 
 
 
 
WDS 06561+2005 HO 27 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06561+2005 HO 27AB distance=0' 06565+1940 COU 770 distance=26' 06577+1935 A 2459CD distance=37' 06577+1935 A 2459AB distance=38' 06577+1935 A 2459AC distance=38' 06571+2058 J 1979 distance=49' 06526+2015 BRT2366 distance=49' 06565+1916 BRT2367 distance=50' 06589+2036 COU 922 distance=52' 06564+2057 OCC 851 distance=53' 06568+2059 COU 920 distance=55' 06572+2100 OCC 845 distance=58' 07001+1953 SLE 387 distance=58' 06519+2020 HO 26 distance=62' 06581+2107 OCC 854 distance=69' 06544+2110 STT 160 distance=69' 06590+2105 A 2121 distance=73' 07004+1926 VKI 14 distance=74' 07014+2006 SLE 389 distance=75' 06596+2102 OCC 291 distance=76' 06581+2115 OCC 852 distance=76' 06519+1917 TDS4223 distance=76' 06514+1929 J 1098 distance=77' 07013+2029 SLE 388 distance=78' 06505+1958 OCC 890 distance=79' 07017+2029 J 1918 distance=84' 06510+2048 OCC 862 distance=84' 07001+2106 OCC 846 distance=84' 07015+2042 J 1917 distance=86' 06510+1915 WFC 46AB distance=87' 06589+1847 A 2460 distance=88' 06510+1915 PAL 3BC distance=88' 07022+2000 SLE 391 distance=88' 06596+1852 GWP 862 distance=89' 07022+2028 SLE 390AB distance=90' 07022+2028 SLE 390AC distance=90' 06549+2134 STT 161 distance=91' 06549+2134 OCC 847Aa,Ab distance=91' 06592+1843 BU 899AB distance=93' 06592+1843 BU 899AC distance=93' 06592+1843 BU 899AD distance=93' 06592+1843 ABH 55AE distance=93' 06506+1915 HJ 2345 distance=94' 06535+2131 OCC 844 distance=94' 06544+1835 COU 42 distance=94' 07022+1928 OCC 29 distance=94' 06559+1829 COU 769 distance=96' 07025+2037 SLE 393 distance=97' 06496+1910 OCC 601 distance=107' 06563+2151 J 1099AB distance=107' 06563+2151 J 1099AC distance=107' 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 06561+2005 HO 27 AB 127 3.7
Show 06561+2005 HO 27 AC 149 23.0
Show 06565+1940 COU 770 353 0.4 26
Show 06577+1935 A 2459 CD 20 4.4 37
Show 06577+1935 A 2459 AB 270 0.4 38
Show 06577+1935 A 2459 AC 329 35.8 38
Show 06571+2058 J 1979 51 6.8 49
Show 06526+2015 BRT2366 305 4.7 49
Show 06565+1916 BRT2367 336 4.0 50
Show 06589+2036 COU 922 43 1.4 52
Show 06564+2057 OCC 851 -1 0.1 53
Show 06568+2059 COU 920 204 1.6 55
Show 06572+2100 OCC 845 -1 0.1 58
Show 07001+1953 SLE 387 113 8.0 58
Show 06519+2020 HO 26 227 7.1 62
Show 06581+2107 OCC 854 -1 0.1 69
Show 06544+2110 STT 160 188 1.3 69
Show 06590+2105 A 2121 122 3.9 73
Show 07004+1926 VKI 14 83 5.2 74
Show 07014+2006 SLE 389 28 16.6 75
Show 06596+2102 OCC 291 -1 0.1 76
Show 06581+2115 OCC 852 -1 0.1 76
Show 06519+1917 TDS4223 270 0.6 76
Show 06514+1929 J 1098 16 2.0 77
Show 07013+2029 SLE 388 359 6.9 78
Show 06505+1958 OCC 890 -1 0.1 79
Show 07017+2029 J 1918 296 10.6 84
Show 06510+2048 OCC 862 -1 0.1 84
Show 07001+2106 OCC 846 -1 0.1 84
Show 07015+2042 J 1917 162 3.1 86
Show 06510+1915 WFC 46 AB 297 9.2 87
Show 06589+1847 A 2460 177 0.2 88
Show 06510+1915 PAL 3 BC 295 5.6 88
Show 07022+2000 SLE 391 86 4.7 88
Show 06596+1852 GWP 862 39 23.2 89
Show 07022+2028 SLE 390 AB 24 16.3 90
Show 07022+2028 SLE 390 AC 331 49.4 90
Show 06549+2134 STT 161 170 21.5 91
Show 06549+2134 OCC 847 Aa,Ab -1 0.1 91
Show 06592+1843 BU 899 AB 268 0.8 93
Show 06592+1843 BU 899 AC 176 24.2 93
Show 06592+1843 BU 899 AD 46 41.7 93
Show 06592+1843 ABH 55 AE 93 109.7 93
Show 06506+1915 HJ 2345 266 12.8 94
Show 06535+2131 OCC 844 -1 0.1 94
Show 06544+1835 COU 42 315 3.0 94
Show 07022+1928 OCC 29 -1 0.1 94
Show 06559+1829 COU 769 135 2.7 96
Show 07025+2037 SLE 393 50 6.3 97
Show 06496+1910 OCC 601 -1 0.1 107
Show 06563+2151 J 1099 AB 52 1.5 107

 
 
WDS 06561+2005 : COMPONENTS
 
 
  A B
B pa=129.1°
sep=3.60"
 
C pa=150.1°
sep=22.62"
pa=153.9°
sep=19.31"
 
 
06561+2005 A
 
 
Coord arcsec 2000 065603.65+200503.2 Mag 9.64 Spectral class A2 (white) PmRA -48.00
PmDE -104.0 Tycho2 1352-01149-1 ADS 5591 DM BD+20 1633
Tycho2
Tycho2 1352-01149-1 Pflag RAmdeg 104.01522642 DEmdeg 20.08423738
PmRA -30.9 PmDE -116.6 E RAmdeg 21 E DEmdeg 27
E pmRA 1.9 E pmDE 1.9 EpRAm 1990.52 EpDEm 1989.73
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 10.772 E BTmag 0.054 VTmag 9.643
E VTmag 0.030 Prox 38 TYC T HIP
CCDM RAdeg 104.01530111 DEdeg 20.08450472 EpRA 1990 1.79
EpDE 1990 1.74 E RAdeg 21.3 E DEdeg 26.7 Posflg
Corr 0.1
CCDM
Ccdm 06561+2005 RComp Comp A Note1
Note2 Discov num DRAs -2.23 DDEs 2.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.8 Sp A2 PmNote *
PmRA -29 PmDE -117 Dm number +20 1633 Cat1 BD
Name2 +20 765 Cat2 AGK2/3 HD M HD
ADS BDS A 5591 M ADS BDS N IDS IDS 06502N2013A
HIC
 
 
06561+2005 B
 
 
Coord arcsec 2000 065603.85+200500.9 Mag 10.08 PmRA -22.00 PmDE -128.0
Tycho2 1352-01588-1 Calc delta mag 0.44 Calc coord yes
Tycho2
Tycho2 1352-01588-1 Pflag RAmdeg 104.01610439 DEmdeg 20.08353262
PmRA -21.6 PmDE -128.2 E RAmdeg 30 E DEmdeg 37
E pmRA 1.4 E pmDE 1.4 EpRAm 1986.51 EpDEm 1983.90
Num 3 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.1 BTmag 11.067 E BTmag 0.067 VTmag 10.075
E VTmag 0.044 Prox 38 TYC T HIP
CCDM RAdeg 104.01615722 DEdeg 20.08382639 EpRA 1990 1.78
EpDE 1990 1.75 E RAdeg 30.5 E DEdeg 38.6 Posflg D
Corr 0.1
CCDM
Ccdm 06561+2005 RComp Comp B Note1
Note2 Discov num HO 27 DRAs DDEs
R dRAs Year 1882 Theta 126 Rho 3.2
Obs 10 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5591 M ADS BDS N IDS IDS 06502N2013B
HIC
 
 
06561+2005 C
 
 
Coord arcsec 2000 065604.45+200443.6 Mag 9.71 PmRA -9.00 PmDE -4.0
SAO 78880 Tycho2 1352-01273-1 HD 266454 ADS 5591
DM BD+20 1634 Calc delta mag 0.07 Calc coord yes
Tycho2
Tycho2 1352-01273-1 Pflag RAmdeg 104.01865888 DEmdeg 20.07830346
PmRA -8.3 PmDE -4.9 E RAmdeg 13 E DEmdeg 16
E pmRA 1.1 E pmDE 1.0 EpRAm 1989.04 EpDEm 1987.54
Num 8 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.5
Q pmDE 0.5 BTmag 9.648 E BTmag 0.025 VTmag 9.714
E VTmag 0.030 Prox 217 TYC T HIP
CCDM RAdeg 104.01867833 DEdeg 20.07831333 EpRA 1990 1.78
EpDE 1990 1.75 E RAdeg 13.8 E DEdeg 17.4 Posflg
Corr 0.0
SAO
SAO 78880 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.006 Vmag 9.1 SpType A0
Double code Source 35 CatNum 2676 DM BD+20 1634
DMcomp BDsup HD 266454 M HD 0
GC RA1950rad 1.80256264 DE1950rad 0.35158193 PmRA2000 0.0001
PmDE2000 0.008
CCDM
Ccdm 06561+2005 RComp Comp C Note1
Note2 Discov num HO 27 DRAs -1.58 DDEs -18.9
R dRAs 10 Year 1896 Theta 162 Rho 32.2
Obs 4 Vmag 9.8 Sp A0 PmNote *
PmRA -20 PmDE -21 Dm number +20 1634 Cat1 BD
Name2 +20 767 Cat2 AGK2/3 HD 266454 M HD
ADS BDS A 5591 M ADS BDS N IDS IDS 06502N2013C
HIC