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Doubles in session


Current system
18568+2817
DBR 8


Nearby doubles
2' : 18568+2816
MLB 756AB

30' : 18570+2747
COU1016

33' : 18552+2842
MLB 693AB

37' : 18575+2741
A 259

38' : 18546+2754
BRT3335AB

41' : 18587+2744
COU 817

49' : 18536+2823
MLB 692AB

52' : 19003+2840
TDT1177

53' : 18542+2856
MLB 467

54' : 18586+2904
TDT1158

55' : 18564+2723
TDT1137

56' : 18591+2730
A 261

59' : 18567+2718
COU1015

60' : 18555+2914
STF2419

62' : 18540+2728
LDS4801

66' : 19018+2814
HDS2697

69' : 18541+2718
HJ 1355

71' : 18582+2924
AG 367

72' : 19019+2844
TDT1191

78' : 19005+2716
TDT1178

79' : 18553+2700
STF2418

80' : 18509+2831
MLB 650

82' : 19019+2904
TDT1190

82' : 19015+2724
AG 370

85' : 18565+2652
TDT1139

85' : 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+2817 DBR 8

 
 
18h 56m 49.86s +28° 16' 25.8" P.A. 23.00 sep 7.4 mag 13.80,15.60
 
 
Coord 2000 18568+2817 Discov num DBR   8 Comp Coord arcsec 2000 18 56 49.86 +28 16 25.8
Date first 1999 Date last 2016 Obs 10
Pa first 23 Pa last 23.2 P.A. Now (θ) 23.2°
Sep first 7.4 Sep last 7.416 Sep. Now (ρ) 7.416"
Mag pri 13.80 Mag sec 15.60 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +000 Sec motion ra +008
Pri motion dec -003 Sec motion dec +004
Notes
rPM=1.188
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2040249966876433664
 
 
WDS 18568+2817 DBR 8 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dbr1988 Ma - Debackere, A. 1988O&T....14...51D
Dbr1988 Obs. et Travaux 14, 51, 1988
Dbr1991 Ma j Debackere, A. 1991O&T....25...26D
Dbr1991 Obs. et Travaux 25, 26, 1991
Dbr1992 Ma j Debackere, A. 1992O&T....31...36D
Dbr1992 Obs. et Travaux 31, 36, 1992
Dbr2002 Mb - Debackere, A. 2002O&T....54...30D
Dbr2002 Obs. et Travaux 54, 30, 2002
Dbr2005 Mb j Debackere, A. & Lepine, T. ...................
Dbr2005 private communication, 2005
Dbr2005b C j Debackere, A. 2005O&T....60...23D
Dbr2005b Obs. et Travaux 60, 23, 2005
Dbr2006 C - Debackere, A. 2006O&T....62...20D
Dbr2006 Obs. et Travaux 62, 20, 2006
Dbr2008 C j Debackere, A. 2008O&T....70...20D
Dbr2008 Obs. et Travaux 70, 20, 2008
Dbr2008b C j Debackere, A. 2008O&T....71...18D
Dbr2008b Obs. et Travaux 71, 18, 2008
Dbr2016 C j Debackere, A. 2016IAUDS.188....2D
Dbr2016 Inf. Circ. 188, 2, 2016
Dbr2016b C - Debackere, A. ...................
Dbr2016b Webb Soc., Double Star Circ. 24, 11, 2016
Dbr2016c C j Debackere, A. ...................
Dbr2016c Webb Soc., Double Star Circ. 24, 19, 2016
Dbr2016c (all data already published in Dbr2016)
Dbr2016d C j Debackere, A. 2016IAUDS.190....7D
Dbr2016d Inf. Circ. 190, 7, 2016
Dbr2017a C j Debackere, A. 2017IAUDS.191....4D
Dbr2017a Inf. Circ. 191, 4, 2017
Dbr2017b C j Debackere, A. ...................
Dbr2017b Webb Soc., Double Star Circ. 25, 88, 2017
Dbr2017c C j Debackere, A. ...................
Dbr2017c +P Webb Soc., Double Star Circ. 25, 91, 2017
Dbr2017d C u Debackere, A. 2017IAUDS.192....4D
Dbr2017d Inf. Circ. 192, 4, 2017
Dbr2018a C u Debackere, A. 2018IAUDS.194....4D
Dbr2018a Inf. Circ. 194, 4, 2018
Dbr2018b C j Debackere, A. ...................
Dbr2018b Webb Soc., Double Star Circ. 26, 27, 2018
Dbr2018c C j Debackere, A. ...................
Dbr2018c Webb Soc., Double Star Circ. 26, 42, 2018
Dbr2019a C u Debackere, A. 2019IAUDS.197....4D
Dbr2019a Inf. Circ. 197, 4, 2019
Dbr2019b C j Debackere, A. ...................
Dbr2019b Webb Soc., Double Star Circ. 27, 22, 2019
Dbr2019c not j Debackere, A. ...................
Dbr2019c Webb Soc., Double Star Circ. 27, 83, 2019
Dbr2019d C u Debackere, A. 2019IAUDS.198....5D
Dbr2019d Inf. Circ. 198, 5, 2019
Dbr2020a C u Debackere, A. 2020IAUDS.200....2D
Dbr2020a Inf. Circ. 200, 2, 2020
Dbr2020b C j Debackere, A. .
Dbr2020b Webb Soc., Double Star Circ. 28, 59, 2020
Dbr2021a C u Debackere, A. 2021IAUDS.203....9D
Dbr2021a Inf. Circ. 203, 9, 2021
Dbr2021b C Debackere, A., Coliac, J.-F., Soulie, E., Durand, P., Wullaert, P. & Bonneau, D. 2021ED......2...15D
Dbr2021b Etoiles Doubles 2, 15, 2021
Dbr2021c C Debackere, A., Coliac, J.-F., Soulie, E., Laurent, P., Wullaert, P. & Bonneau, D. 2021ED......2...27D
Dbr2021c Etoiles Doubles 2, 27, 2021
Dbr2021d C j Debackere, A. .
Dbr2021d Webb Soc., Double Star Circ. 29, 61, 2021
Dbr2021e C j Debackere, A. .
Dbr2021e Webb Soc., Double Star Circ. 29, 69, 2021
Dbr2021f C u Debackere, A. 2021IAUDS.205....4D
Dbr2021f Inf. Circ. 205, 4, 2021
Dbr2022a C u Debackere, A. 2022IAUDS206.....2D
Dbr2022a Inf. Circ. 206, 2, 2022
Dbr2022b C Debackere, A. 2022ED......4...16D
Dbr2022b Etoiles Doubles 4, 16, 2022
Dbr2022c C j Debackere, A. .
Dbr2022c Webb Soc., Double Star Circ. 30, 24, 2022
Dbr2023a C u Debackere, A. 2023IAUDS209....14D
Dbr2023a Inf. Circ. 209, 14, 2023
Dbr2023b C j Debackere, A. .
Dbr2023b Webb Soc., Double Star Circ. 31, 17, 2023
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18568+2817 DBR 8 2005 2 23 7.4 13.80 15.60 D 185649.86+281625.8
18568+2817 DBR 8 2010 4 24 7.0 13.80 15.60 185649.86+281625.8
18568+2817 DBR 8 2015 5 23 7.4 13.80 15.60 185649.86+281625.8
18568+2817 DBR 8 2016 10 23 7.4 13.80 15.60 185649.86+281625.8

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

 
 
WDS 18568+2817 DBR 8 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18568+2817 DBR 8 : MEASURES
 
 
No records found.

 
 
WDS 18568+2817 : VIRTUAL EYEPIECE
 
 

18568+2817 DBR 8A mag 13.8 18568+2817 DBR 8B sep 7.3 P.A. 20.70 mag 15.6 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 18568+2817 : ALADIN DSS IMAGE @ 18h 56m 49.86s +28° 16' 25.8"
 
 
 
 
WDS 18568+2817 DBR 8 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18568+2817 DBR 8 distance=0' 18568+2816 MLB 756AB distance=2' 18568+2816 MLB 756BC distance=2' 18570+2747 COU1016 distance=30' 18552+2842 MLB 693AB distance=33' 18552+2842 MLB 693AC distance=33' 18575+2741 A 259 distance=37' 18546+2754 BRT3335AB distance=38' 18546+2754 DAL 5AC distance=38' 18587+2744 COU 817 distance=41' 18536+2823 MLB 692AB distance=49' 18536+2823 MLB 692AC distance=49' 19003+2840 TDT1177 distance=52' 18542+2856 MLB 467 distance=53' 18586+2904 TDT1158 distance=54' 18564+2723 TDT1137 distance=55' 18591+2730 A 261 distance=56' 18567+2718 COU1015 distance=59' 18555+2914 STF2419 distance=60' 18540+2728 LDS4801 distance=62' 19018+2814 HDS2697 distance=66' 18541+2718 HJ 1355 distance=69' 18582+2924 AG 367 distance=71' 19019+2844 TDT1191 distance=72' 19005+2716 TDT1178 distance=78' 18553+2700 STF2418 distance=79' 18509+2831 MLB 650 distance=80' 19019+2904 TDT1190 distance=82' 19015+2724 AG 370 distance=82' 18565+2652 TDT1139 distance=85' 19012+2918 TDT1182 distance=85' 19031+2757 J 811 distance=86' 19014+2917 HJ 1361 distance=86' 18594+2936 STF2430 distance=87' 19029+2742 ES 480AB distance=88' 19029+2742 WAK 3AC distance=88' 18564+2944 COU1014 distance=89' 19019+2718 ES 479 distance=89' 18499+2806 OSO 104AB distance=92' 18499+2806 OSO 104AD distance=92' 18499+2806 OSO 104AE distance=92' 18499+2806 OSO 104AF distance=92' 18499+2806 OSO 104AG distance=92' 19038+2756 GCB 34 distance=95' 18518+2703 KPP 829 distance=100' 18597+2949 COU1019AB distance=100' 18597+2949 COU1019AC distance=100' 19045+2822 KPP4136 distance=101' 18491+2834 J 1208 distance=102' 18550+2637 TDT1124 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+2817 DBR 8 23 7.4
Show 18568+2816 MLB 756 AB 287 3.9 2
Show 18568+2816 MLB 756 BC 302 8.0 2
Show 18570+2747 COU1016 130 1.1 30
Show 18552+2842 MLB 693 AB 176 6.5 33
Show 18552+2842 MLB 693 AC 154 9.5 33
Show 18575+2741 A 259 62 2.7 37
Show 18546+2754 BRT3335 AB 70 10.0 38
Show 18546+2754 DAL 5 AC 274 26.2 38
Show 18587+2744 COU 817 199 1.1 41
Show 18536+2823 MLB 692 AB 299 2.4 49
Show 18536+2823 MLB 692 AC 300 8.0 49
Show 19003+2840 TDT1177 115 0.7 52
Show 18542+2856 MLB 467 196 9.6 53
Show 18586+2904 TDT1158 228 8.3 54
Show 18564+2723 TDT1137 299 0.9 55
Show 18591+2730 A 261 193 3.7 56
Show 18567+2718 COU1015 92 1.0 59
Show 18555+2914 STF2419 177 3.4 60
Show 18540+2728 LDS4801 351 244.1 62
Show 19018+2814 HDS2697 189 7.8 66
Show 18541+2718 HJ 1355 223 12.1 69
Show 18582+2924 AG 367 297 4.8 71
Show 19019+2844 TDT1191 356 0.5 72
Show 19005+2716 TDT1178 334 0.9 78
Show 18553+2700 STF2418 6 16.1 79
Show 18509+2831 MLB 650 161 5.3 80
Show 19019+2904 TDT1190 20 1.8 82
Show 19015+2724 AG 370 340 4.0 82
Show 18565+2652 TDT1139 242 2.9 85
Show 19012+2918 TDT1182 187 2.0 85
Show 19031+2757 J 811 256 2.8 86
Show 19014+2917 HJ 1361 162 18.3 86
Show 18594+2936 STF2430 187 1.5 87
Show 19029+2742 ES 480 AB 273 2.4 88
Show 19029+2742 WAK 3 AC 357 1.1 88
Show 18564+2944 COU1014 46 0.2 89
Show 19019+2718 ES 479 142 8.1 89
Show 18499+2806 OSO 104 AB 112 5.0 92
Show 18499+2806 OSO 104 AD 27 12.7 92
Show 18499+2806 OSO 104 AE 252 15.1 92
Show 18499+2806 OSO 104 AF 46 23.6 92
Show 18499+2806 OSO 104 AG 135 22.1 92
Show 19038+2756 GCB 34 295 6.7 95
Show 18518+2703 KPP 829 52 7.1 100
Show 18597+2949 COU1019 AB 350 0.4 100
Show 18597+2949 COU1019 AC 52 5.8 100
Show 19045+2822 KPP4136 71 2.0 101
Show 18491+2834 J 1208 334 4.7 102
Show 18550+2637 TDT1124 47 2.8 103
Show 18576+2633 TDT1148 349 0.6 104

 
 
WDS 18568+2817 : COMPONENTS
 
 
  A
B pa=20.7°
sep=7.29"
 
 
18568+2817 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185649.86+281625.8 Mag 13.8 PmRA 0.00
PmDE -3.0
 
 
18568+2817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185650.05+281632.6 Mag 15.6 PmRA 8.00
PmDE 4.0 Calc delta mag 1.8 Calc coord yes