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Current system
10566+2755
HJ 491 AB


Nearby doubles
34' : 10566+2722
SKF 235

40' : 10585+2726
GRV 826

42' : 10566+2714
SLE 887

45' : 10550+2716
SLE 886

67' : 10544+2656
SLW 538

72' : 10530+2849
KPP1631

73' : 11010+2842
BRT 25

83' : 10565+2633
TDS 608

92' : 11034+2748
BRT 158

92' : 10518+2903
KPP1986

96' : 11008+2913
COU 960

96' : 10566+2620
BRT3296

99' : 10496+2721
CVR 580

100' : 10520+2635
GRV 823

108' : 10572+2943
ES 433

113' : 10543+2607
A 1769

115' : 11046+2838
AZC 68

120' : 10477+2733
COU 592

120' : 10479+2724
DAM1436

121' : 10551+2955
BRT 248

127' : 10471+2812
COU 590

131' : 11002+2554
LDS4044

133' : 11005+2958
CVR1333

134' : 10575+3008
CRB 87

136' : 11018+2952
COU 961AB

139' : 10571+3014
LDS4039AB



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.

10566+2755 HJ 491 AB

 
 
10h 56m 34.91s +27° 55' 30.9" P.A. 120.00 sep 18.6 mag 10.13,11.51
 
 
Coord 2000 10566+2755 Discov num HJ  491 Comp AB Coord arcsec 2000 10 56 34.91 +27 55 30.9
Date first 1827 Date last 2019 Obs 35
Pa first 130 Pa last 119.9 P.A. Now (θ) 119.9°
Sep first 15.0 Sep last 18.601 Sep. Now (ρ) 18.601"
Mag pri 10.13 Mag sec 11.51 delta mag (ΔM) 1.38 Spectral class
Pri motion ra -006 Sec motion ra -003
Pri motion dec -062 Sec motion dec -061
Notes
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
10566+2755 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 56 35 +27 55 31 HJ 491 AB 2019 35 120 18.6 10.13 11.51 1.38 <===
Show 10 56 36 +27 55 22 MLB 567 BC 2015 9 295 5.8 11.51 13.60 2.09
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo Minor Tycho2 1980-01770-1 Gaia DR2 730659046121582848
 
 
WDS 10566+2755 HJ 491 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
Mlb1918 Mb - Milburn, W. (Espin, T.E.) 1918MNRAS..78..189E
Mlb1918 MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919 Mb - Milburn, W. (Espin, T.E.) 1919MNRAS..79..211E
Mlb1919 MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920 Mb - Milburn, W. 1920MNRAS..80..329M
Mlb1920 MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921 Mb - Milburn, W. 1921MNRAS..81..232E
Mlb1921 MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922 Mb j Milburn, W. (Espin, T.E.) 1922MNRAS..82..187E
Mlb1922 MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923 Mb - Milburn, W. 1923MNRAS..83..154E
Mlb1923 MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924 Mb - Milburn, W. 1924MNRAS..84..162E
Mlb1924 MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925 Mb j Milburn, W. 1925MNRAS..85..276E
Mlb1925 MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926 Mb - Milburn, W. 1926MNRAS..86..131E
Mlb1926 MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927 Mb j Milburn, W. 1927MNRAS..87..215E
Mlb1927 +Po MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928 Mb - Milburn, W. 1928MNRAS..88..185E
Mlb1928 MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929 Mb - Milburn, W. 1929MNRAS..89..268E
Mlb1929 MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930 Mb - Milburn, W. 1930MNRAS..90..317E
Mlb1930 MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931 Mb j Milburn, W. 1931MNRAS..91..294E
Mlb1931 MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932 Ma - Milburn, W. 1932MNRAS..92..214E
Mlb1932 +Mb MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B Ma - Milburn, W. 1932QB821.A43......
Mlb1932B cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933 Ma j Milburn, W. 1933MNRAS..93..192E
Mlb1933 +Mb MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934 Mb j Milburn, W. 1934MNRAS..94..255M
Mlb1934 MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935 Mb j Milburn, W. 1935MNRAS..95..298M
Mlb1935 MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936 Mb - Milburn, W. 1936MNRAS..96..266M
Mlb1936 MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937 Ma - Milburn, W. 1937MNRAS..97..222M
Mlb1937 +Mb MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938 Ma - Milburn, W. 1938MNRAS..98..223M
Mlb1938 +Mb MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939 Mb - Milburn, W. 1939MNRAS..99..278M
Mlb1939 MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999 Mb - Milburn, W. ...................
Mlb9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10566+2755 HJ 491 AB 2007 11 120 19.0 10.13 11.51 D 105634.91+275530.9
10566+2755 HJ 491 AB 2008 12 120 18.6 10.13 11.51 D 105634.91+275530.9
10566+2755 HJ 491 AB 2014 22 120 18.6 10.13 11.51 105634.91+275530.9
10566+2755 HJ 491 AB 2015 23 120 18.6 10.13 11.51 105634.91+275530.9
10566+2755 HJ 491 AB 2019 34 120 18.6 10.13 11.51 105634.91+275530.9

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

 
 
WDS 10566+2755 HJ 491 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10566+2755 HJ 491 AB : MEASURES
 
 
No records found.

 
 
WDS 10566+2755 : VIRTUAL EYEPIECE
 
 

10566+2755 HJ 491A mag 10.13 10566+2755 MLB 567B sep 18.6 P.A. 119.60 mag 11.51 10566+2755 MLB 567C sep 13.3 P.A. 120.20 mag 13.6 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 10566+2755 : ALADIN DSS IMAGE @ 10h 56m 34.91s +27° 55' 30.9"
 
 
 
 
WDS 10566+2755 HJ 491 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10566+2755 HJ 491AB distance=0' 10566+2755 MLB 567BC distance=1' 10566+2722 SKF 235 distance=34' 10585+2726 GRV 826 distance=40' 10566+2714 SLE 887 distance=42' 10550+2716 SLE 886 distance=45' 10521+2759 AZC 66BD distance=60' 10544+2656 SLW 538 distance=67' 10530+2849 KPP1631 distance=72' 11010+2842 BRT 25 distance=73' 10565+2633 TDS 608 distance=83' 11034+2748 BRT 158 distance=92' 10518+2903 KPP1986 distance=92' 11008+2913 COU 960 distance=96' 10566+2620 BRT3296 distance=96' 10496+2721 CVR 580 distance=99' 10520+2635 GRV 823 distance=100' 10572+2943 ES 433 distance=108' 10543+2607 A 1769 distance=113' 11046+2838 AZC 68 distance=115' 10477+2733 COU 592 distance=120' 10479+2724 DAM1436 distance=120' 10551+2955 BRT 248 distance=121' 10471+2812 COU 590 distance=127' 11002+2554 LDS4044 distance=131' 11005+2958 CVR1333 distance=133' 10575+3008 CRB 87 distance=134' 11018+2952 CHR 34Aa,Ab distance=136' 11018+2952 COU 961AB distance=136' 10571+3014 LDS4039AB distance=139' 10571+3014 DAM 718AC distance=139' 10571+3014 DAM 718AD distance=139' 10571+3014 DAM 718BC distance=142' 10465+2707 HJ 490AB distance=143' 10465+2707 GMZ 205BC distance=143' 10596+3013 LDS4042 distance=143' 11073+2832 HJ 1185 distance=144' 10457+2802 HJ 836 distance=144' 10470+2648 CVR 576 distance=144' 11068+2706 KPP2158 distance=146' 11065+2653 A 1775 distance=147' 11069+2655 SKF1077 distance=150' 11045+2604 LDS4054 distance=154' 10596+2527 AG 342AB distance=155' 10511+2538 TOI1797 distance=156' 10528+3023 HDS1555 distance=156' 11080+2659 TDS7688 distance=162' 10576+3039 STF1492 distance=165' 11028+3019 CBL 328AB distance=165' 10588+3039 ES 303 distance=166' 10451+2651 LDS5717 distance=166' 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 10566+2755 HJ 491 AB 120 18.6
Show 10566+2755 MLB 567 BC 295 5.8 1
Show 10566+2722 SKF 235 207 4.0 34
Show 10585+2726 GRV 826 335 17.4 40
Show 10566+2714 SLE 887 340 14.6 42
Show 10550+2716 SLE 886 290 31.6 45
Show 10521+2759 AZC 66 BD 99 18.6 60
Show 10544+2656 SLW 538 211 65.2 67
Show 10530+2849 KPP1631 193 12.5 72
Show 11010+2842 BRT 25 3 4.1 73
Show 10565+2633 TDS 608 85 1.7 83
Show 11034+2748 BRT 158 62 3.8 92
Show 10518+2903 KPP1986 84 15.7 92
Show 11008+2913 COU 960 116 0.2 96
Show 10566+2620 BRT3296 287 4.4 96
Show 10496+2721 CVR 580 79 8.9 99
Show 10520+2635 GRV 823 89 31.1 100
Show 10572+2943 ES 433 222 5.9 108
Show 10543+2607 A 1769 82 0.7 113
Show 11046+2838 AZC 68 197 19.4 115
Show 10477+2733 COU 592 29 0.4 120
Show 10479+2724 DAM1436 92 4.4 120
Show 10551+2955 BRT 248 47 3.3 121
Show 10471+2812 COU 590 283 1.3 127
Show 11002+2554 LDS4044 89 303.0 131
Show 11005+2958 CVR1333 69 4.5 133
Show 10575+3008 CRB 87 77 7.4 134
Show 11018+2952 CHR 34 Aa,Ab 102 0.3 136
Show 11018+2952 COU 961 AB 326 1.3 136
Show 10571+3014 LDS4039 AB 7 163.5 139
Show 10571+3014 DAM 718 AC 28 318.5 139
Show 10571+3014 DAM 718 AD 316 513.4 139
Show 10571+3014 DAM 718 BC 48 177.6 142
Show 10465+2707 HJ 490 AB 273 18.9 143
Show 10465+2707 GMZ 205 BC 189 3.6 143
Show 10596+3013 LDS4042 205 2.0 143
Show 11073+2832 HJ 1185 13 16.2 144
Show 10457+2802 HJ 836 358 15.3 144
Show 10470+2648 CVR 576 318 12.5 144
Show 11068+2706 KPP2158 75 17.7 146
Show 11065+2653 A 1775 88 0.2 147
Show 11069+2655 SKF1077 242 0.7 150
Show 11045+2604 LDS4054 167 29.1 154
Show 10596+2527 AG 342 AB 116 5.5 155
Show 10511+2538 TOI1797 125 5.9 156
Show 10528+3023 HDS1555 128 0.2 156
Show 11080+2659 TDS7688 194 0.5 162
Show 10576+3039 STF1492 165 21.6 165
Show 11028+3019 CBL 328 AB 310 17.5 165
Show 10588+3039 ES 303 202 7.8 166
Show 10451+2651 LDS5717 344 6.0 166

 
 
WDS 10566+2755 : COMPONENTS
 
 
  A B
B pa=119.6°
sep=18.60"
 
C pa=120.2°
sep=13.32"
pa=298.1°
sep=5.29"
 
 
10566+2755 A
 
 
Coord arcsec 2000 105634.91+275530.9 Mag 10.13 PmRA -6.00 PmDE -62.0
Tycho2 1980-01770-1
Tycho2
Tycho2 1980-01770-1 Pflag RAmdeg 164.14547455 DEmdeg 27.92525179
PmRA -2.3 PmDE -60.6 E RAmdeg 23 E DEmdeg 27
E pmRA 2.1 E pmDE 2.1 EpRAm 1990.54 EpDEm 1989.99
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.1 Q pmRA 1.2
Q pmDE 0.1 BTmag 10.690 E BTmag 0.043 VTmag 10.130
E VTmag 0.038 Prox 184 TYC T HIP
CCDM RAdeg 164.14548028 DEdeg 27.92538972 EpRA 1990 1.81
EpDE 1990 1.80 E RAdeg 23.4 E DEdeg 27.0 Posflg
Corr 0.0
 
 
10566+2755 B
 
 
Coord arcsec 2000 105636.13+275521.7 Coord calc 105636.13+275521.7 Mag 11.51 PmRA -3.00
PmDE -61.0 Tycho2 1980-00533-1 Calc delta mag 1.38
Tycho2
Tycho2 1980-00533-1 Pflag RAmdeg 164.15047866 DEmdeg 27.92267589
PmRA -4.0 PmDE -61.9 E RAmdeg 65 E DEmdeg 76
E pmRA 2.4 E pmDE 2.4 EpRAm 1983.26 EpDEm 1979.68
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.5 BTmag 12.043 E BTmag 0.135 VTmag 11.514
E VTmag 0.123 Prox 184 TYC HIP
CCDM RAdeg 164.15048861 DEdeg 27.92281694 EpRA 1990 1.83
EpDE 1990 1.80 E RAdeg 68.4 E DEdeg 80.8 Posflg
Corr 0.0
 
 
10566+2755 C
 
 
Coord arcsec 2000 105635.78+275524.2 Mag 13.6 Calc delta mag 3.47 Calc coord yes