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Doubles in session


Current system
18568+2816
MLB 756 BC


Nearby doubles
2' : 18568+2817
DBR 8

29' : 18570+2747
COU1016

33' : 18552+2842
MLB 693AB

36' : 18546+2754
BRT3335AB

37' : 18575+2741
A 259

41' : 18587+2744
COU 817

48' : 18536+2823
MLB 692AB

53' : 18542+2856
MLB 467

54' : 18564+2723
TDT1137

54' : 19003+2840
TDT1177

55' : 18586+2904
TDT1158

56' : 18591+2730
A 261

58' : 18567+2718
COU1015

61' : 18540+2728
LDS4801

61' : 18555+2914
STF2419

67' : 19018+2814
HDS2697

68' : 18541+2718
HJ 1355

72' : 18582+2924
AG 367

74' : 19019+2844
TDT1191

78' : 19005+2716
TDT1178

78' : 18553+2700
STF2418

79' : 18509+2831
MLB 650

83' : 19015+2724
AG 370

84' : 19019+2904
TDT1190

84' : 18565+2652
TDT1139

87' : 19012+2918
TDT1182



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.

18568+2816 MLB 756 BC

 
 
18h 56m 44.89s +28° 15' 34.1" P.A. 302.00 sep 8.0 mag 13.80,15.50
 
 
Coord 2000 18568+2816 Discov num MLB 756 Comp BC Coord arcsec 2000 18 56 44.89 +28 15 34.1
Date first 1932 Date last 2015 Obs 5
Pa first 288 Pa last 302.3 P.A. Now (θ) 302.3°
Sep first 4.8 Sep last 8.014 Sep. Now (ρ) 8.014"
Mag pri 13.80 Mag sec 15.50 delta mag (ΔM) 1.7 Spectral class
Pri motion ra Sec motion ra +019
Pri motion dec Sec motion dec -048
Notes
Nature of this double is uncertain.
 
 
18568+2816 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 56 45 +28 15 33 MLB 756 AB 2015 5 287 3.9 12.40 13.80 1.40
Show 18 56 45 +28 15 34 MLB 756 BC 2015 5 302 8.0 13.80 15.50 1.70 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2040249932516705792
 
 
WDS 18568+2816 MLB 756 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
18568+2816 MLB 756 BC 2005 3 300 8.1 13.80 15.50 D 185644.89+281534.1
18568+2816 MLB 756 BC 2015 5 302 8.0 13.80 15.50 185644.89+281534.1

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

 
 
WDS 18568+2816 MLB 756 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18568+2816 MLB 756 BC : MEASURES
 
 
No records found.

 
 
WDS 18568+2816 : VIRTUAL EYEPIECE
 
 

18568+2816 MLB 756A mag 12.4 18568+2816 MLB 756B sep 3.9 P.A. 292.80 mag 13.8 18568+2816 MLB 756C sep 11.2 P.A. 301.20 mag 15.5 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 18568+2816 : ALADIN DSS IMAGE @ 18h 56m 44.89s +28° 15' 34.1"
 
 
 
 
WDS 18568+2816 MLB 756 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18568+2816 MLB 756BC distance=0' 18568+2816 MLB 756AB distance=1' 18568+2817 DBR 8 distance=2' 18570+2747 COU1016 distance=29' 18552+2842 MLB 693AB distance=33' 18552+2842 MLB 693AC distance=33' 18546+2754 BRT3335AB distance=36' 18546+2754 DAL 5AC distance=36' 18575+2741 A 259 distance=37' 18587+2744 COU 817 distance=41' 18536+2823 MLB 692AB distance=48' 18536+2823 MLB 692AC distance=48' 18542+2856 MLB 467 distance=53' 18564+2723 TDT1137 distance=54' 19003+2840 TDT1177 distance=54' 18586+2904 TDT1158 distance=55' 18591+2730 A 261 distance=56' 18567+2718 COU1015 distance=58' 18540+2728 LDS4801 distance=61' 18555+2914 STF2419 distance=61' 19018+2814 HDS2697 distance=67' 18541+2718 HJ 1355 distance=68' 18582+2924 AG 367 distance=72' 19019+2844 TDT1191 distance=74' 19005+2716 TDT1178 distance=78' 18553+2700 STF2418 distance=78' 18509+2831 MLB 650 distance=79' 19015+2724 AG 370 distance=83' 19019+2904 TDT1190 distance=84' 18565+2652 TDT1139 distance=84' 19012+2918 TDT1182 distance=87' 19031+2757 J 811 distance=87' 19014+2917 HJ 1361 distance=88' 18594+2936 STF2430 distance=88' 19029+2742 ES 480AB distance=89' 19029+2742 WAK 3AC distance=89' 18564+2944 COU1014 distance=90' 19019+2718 ES 479 distance=90' 18499+2806 OSO 104AB distance=91' 18499+2806 OSO 104AD distance=91' 18499+2806 OSO 104AE distance=91' 18499+2806 OSO 104AF distance=91' 18499+2806 OSO 104AG distance=91' 19038+2756 GCB 34 distance=96' 18518+2703 KPP 829 distance=98' 18491+2834 J 1208 distance=101' 18597+2949 COU1019AB distance=102' 18597+2949 COU1019AC distance=102' 18550+2637 TDT1124 distance=102' 19045+2822 KPP4136 distance=103' 18576+2633 TDT1148 distance=104' 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 18568+2816 MLB 756 BC 302 8.0
Show 18568+2816 MLB 756 AB 287 3.9 1
Show 18568+2817 DBR 8 23 7.4 2
Show 18570+2747 COU1016 130 1.1 29
Show 18552+2842 MLB 693 AB 176 6.5 33
Show 18552+2842 MLB 693 AC 154 9.5 33
Show 18546+2754 BRT3335 AB 70 10.0 36
Show 18546+2754 DAL 5 AC 274 26.2 36
Show 18575+2741 A 259 62 2.7 37
Show 18587+2744 COU 817 199 1.1 41
Show 18536+2823 MLB 692 AB 299 2.4 48
Show 18536+2823 MLB 692 AC 300 8.0 48
Show 18542+2856 MLB 467 196 9.6 53
Show 18564+2723 TDT1137 299 0.9 54
Show 19003+2840 TDT1177 115 0.7 54
Show 18586+2904 TDT1158 228 8.3 55
Show 18591+2730 A 261 193 3.7 56
Show 18567+2718 COU1015 92 1.0 58
Show 18540+2728 LDS4801 351 244.1 61
Show 18555+2914 STF2419 177 3.4 61
Show 19018+2814 HDS2697 189 7.8 67
Show 18541+2718 HJ 1355 223 12.1 68
Show 18582+2924 AG 367 297 4.8 72
Show 19019+2844 TDT1191 356 0.5 74
Show 19005+2716 TDT1178 334 0.9 78
Show 18553+2700 STF2418 6 16.1 78
Show 18509+2831 MLB 650 161 5.3 79
Show 19015+2724 AG 370 340 4.0 83
Show 19019+2904 TDT1190 20 1.8 84
Show 18565+2652 TDT1139 242 2.9 84
Show 19012+2918 TDT1182 187 2.0 87
Show 19031+2757 J 811 256 2.8 87
Show 19014+2917 HJ 1361 162 18.3 88
Show 18594+2936 STF2430 187 1.5 88
Show 19029+2742 ES 480 AB 273 2.4 89
Show 19029+2742 WAK 3 AC 357 1.1 89
Show 18564+2944 COU1014 46 0.2 90
Show 19019+2718 ES 479 142 8.1 90
Show 18499+2806 OSO 104 AB 112 5.0 91
Show 18499+2806 OSO 104 AD 27 12.7 91
Show 18499+2806 OSO 104 AE 252 15.1 91
Show 18499+2806 OSO 104 AF 46 23.6 91
Show 18499+2806 OSO 104 AG 135 22.1 91
Show 19038+2756 GCB 34 295 6.7 96
Show 18518+2703 KPP 829 52 7.1 98
Show 18491+2834 J 1208 334 4.7 101
Show 18597+2949 COU1019 AB 350 0.4 102
Show 18597+2949 COU1019 AC 52 5.8 102
Show 18550+2637 TDT1124 47 2.8 102
Show 19045+2822 KPP4136 71 2.0 103
Show 18576+2633 TDT1148 349 0.6 104

 
 
WDS 18568+2816 : COMPONENTS
 
 
  A B
B pa=292.8°
sep=3.87"
 
C pa=301.2°
sep=11.15"
pa=305.7°
sep=7.34"
 
 
18568+2816 A
 
 
Coord arcsec 2000 185645.16+281532.6 Mag 12.4 PmRA 6.00 PmDE -7.0
Tycho2 2121-01031-1
Tycho2
Tycho2 2121-01031-1 Pflag RAmdeg 284.18809353 DEmdeg 28.25904024
PmRA -4.8 PmDE -7.7 E RAmdeg 88 E DEmdeg 84
E pmRA 2.9 E pmDE 2.8 EpRAm 1978.46 EpDEm 1979.26
Num 3 Q RAmdeg 1.7 Q DEmdeg 0.4 Q pmRA 1.7
Q pmDE 0.4 BTmag 12.447 E BTmag 0.186 VTmag 12.465
E VTmag 0.213 Prox 365 TYC HIP
CCDM RAdeg 284.18810639 DEdeg 28.25905806 EpRA 1990 1.56
EpDE 1990 1.62 E RAdeg 95.6 E DEdeg 90.7 Posflg
Corr 0.1
CCDM
Ccdm 18568+2816 RComp Comp A Note1
Note2 Discov num DRAs -2.86 DDEs -27.1
R dRAs 65 Year Theta Rho
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18528N2808A
HIC
 
 
18568+2816 B
 
 
Coord arcsec 2000 185644.89+281534.1 Coord calc 185644.89+281534.1 Mag 13.8 Calc delta mag 1.4
CCDM
Ccdm 18568+2816 RComp Comp B Note1
Note2 Discov num MLB 756 DRAs DDEs
R dRAs Year 1932 Theta 327 Rho 3.3
Obs 1 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18528N2808B
HIC
 
 
18568+2816 C
 
 
Coord arcsec 2000 185644.44+281538.4 Mag 15.5 PmRA 19.00 PmDE -48.0
Calc delta mag 3.1 Calc coord yes
CCDM
Ccdm 18568+2816 RComp B Comp C Note1
Note2 Discov num MLB 756 DRAs DDEs
R dRAs Year 1932 Theta 288 Rho 4.8
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18528N2808C
HIC