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Doubles in session


Current system
18191+2808
HJ 1318


Nearby doubles
21' : 18185+2749
COU1008

29' : 18173+2825
GRV 232

30' : 18212+2820
STF2312

33' : 18173+2832
LDS4782

39' : 18220+2812
UC 3562

44' : 18208+2732
BU 640

52' : 18230+2742
HJ 1322

53' : 18165+2848
KPP4098

54' : 18169+2718
MIL 4

59' : 18235+2810
JOD 15

62' : 18238+2808
GRV1261

64' : 18227+2849
UC 3566

68' : 18233+2731
HO 83

68' : 18242+2818
A 244

71' : 18156+2902
KPP1398

72' : 18176+2659
HJ 1317

74' : 18164+2912
OSO 97AB

78' : 18249+2817
RAO 391

81' : 18130+2815
H 5 93

82' : 18139+2851
COU 637

82' : 18129+2800
ES 472

83' : 18253+2805
HO 85AB

85' : 18175+2931
COU 814

85' : 18190+2643
TDT 792

87' : 18169+2647
A 240

87' : 18191+2935
A 242



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.

18191+2808 HJ 1318

 
 
18h 19m 05.28s +28° 08' 17.5" P.A. 140.00 sep 10.0 mag 10.50,11.10
 
 
Coord 2000 18191+2808 Discov num HJ 1318 Comp Coord arcsec 2000 18 19 05.28 +28 08 17.5
Date first 1828 Date last 2015 Obs 12
Pa first 143 Pa last 140 P.A. Now (θ) 140°
Sep first 3.0 Sep last 9.954 Sep. Now (ρ) 9.954"
Mag pri 10.50 Mag sec 11.10 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -003 Sec motion ra -001
Pri motion dec +003 Sec motion dec +007
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4586640625315808256
 
 
WDS 18191+2808 HJ 1318 : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18191+2808 HJ 1318 1998 4 140 10.1 10.50 11.10 D 181905.28+280817.5
18191+2808 HJ 1318 2008 5 140 10.1 10.50 11.10 D 181905.28+280817.5
18191+2808 HJ 1318 2015 8 140 10.0 10.50 11.10 181905.28+280817.5

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

 
 
WDS 18191+2808 HJ 1318 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18191+2808 HJ 1318 : MEASURES
 
 
No records found.

 
 
WDS 18191+2808 : VIRTUAL EYEPIECE
 
 

18191+2808 HJ 1318A mag 10.5 18191+2808 HJ 1318B sep 9.5 P.A. 143.50 mag 11.1 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 18191+2808 : ALADIN DSS IMAGE @ 18h 19m 05.28s +28° 08' 17.5"
 
 
 
 
WDS 18191+2808 HJ 1318 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18191+2808 HJ 1318 distance=1' 18185+2749 COU1008 distance=21' 18173+2825 GRV 232 distance=29' 18212+2820 STF2312 distance=30' 18173+2832 LDS4782 distance=33' 18220+2812 UC 3562 distance=39' 18208+2732 BU 640 distance=44' 18230+2742 HJ 1322 distance=52' 18165+2848 KPP4098 distance=53' 18169+2718 MIL 4 distance=54' 18235+2810 JOD 15 distance=59' 18238+2808 GRV1261 distance=62' 18227+2849 UC 3566 distance=64' 18233+2731 HO 83 distance=68' 18242+2818 A 244 distance=68' 18156+2902 KPP1398 distance=71' 18176+2659 HJ 1317 distance=72' 18164+2912 OSO 97AB distance=74' 18164+2912 OSO 97AC distance=74' 18164+2912 OSO 97AD distance=74' 18249+2817 RAO 391 distance=78' 18130+2815 H 5 93 distance=81' 18139+2851 COU 637 distance=82' 18129+2800 ES 472 distance=82' 18253+2805 HDS2604Aa,Ab distance=83' 18253+2805 HO 85AB distance=83' 18175+2931 COU 814 distance=85' 18190+2643 TDT 792 distance=85' 18169+2647 A 240 distance=87' 18191+2935 A 242 distance=87' 18250+2724 HO 84DE distance=89' 18177+2642 TDT 779 distance=89' 18257+2828 TDT 858 distance=89' 18178+2640 LEP 88 distance=90' 18250+2724 STF2315AB distance=90' 18250+2724 STF2315AC distance=90' 18250+2724 BU 9009AD distance=90' 18172+2640 A 241 distance=92' 18170+2937 UC 238 distance=93' 18121+2739 STF2292 distance=98' 18265+2842 HJ 1324 distance=104' 18223+2633 TDT 819 distance=105' 18271+2754 TDS 921 distance=107' 18194+2955 AG 360 distance=107' 18270+2832 MLB 648 distance=108' 18265+2721 BU 264 distance=110' 18251+2654 AG 361 distance=110' 18112+2850 TDT 727 distance=112' 18273+2856 HO 433 distance=119' 18259+2652 UC 3578 distance=119' 18257+2649 DAM1237 distance=119' 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 18191+2808 HJ 1318 140 10.0 1
Show 18185+2749 COU1008 92 2.0 21
Show 18173+2825 GRV 232 170 16.7 29
Show 18212+2820 STF2312 341 1.7 30
Show 18173+2832 LDS4782 61 48.1 33
Show 18220+2812 UC 3562 313 15.6 39
Show 18208+2732 BU 640 322 0.7 44
Show 18230+2742 HJ 1322 239 21.8 52
Show 18165+2848 KPP4098 265 2.0 53
Show 18169+2718 MIL 4 130 16.6 54
Show 18235+2810 JOD 15 176 1.2 59
Show 18238+2808 GRV1261 16 2.2 62
Show 18227+2849 UC 3566 180 32.0 64
Show 18233+2731 HO 83 115 0.8 68
Show 18242+2818 A 244 268 0.6 68
Show 18156+2902 KPP1398 302 10.4 71
Show 18176+2659 HJ 1317 141 14.7 72
Show 18164+2912 OSO 97 AB 100 18.6 74
Show 18164+2912 OSO 97 AC 11 21.8 74
Show 18164+2912 OSO 97 AD 273 20.3 74
Show 18249+2817 RAO 391 313 0.1 78
Show 18130+2815 H 5 93 136 54.8 81
Show 18139+2851 COU 637 302 3.1 82
Show 18129+2800 ES 472 11 3.5 82
Show 18253+2805 HDS2604 Aa,Ab 212 0.7 83
Show 18253+2805 HO 85 AB 196 4.9 83
Show 18175+2931 COU 814 229 5.3 85
Show 18190+2643 TDT 792 213 0.8 85
Show 18169+2647 A 240 349 2.4 87
Show 18191+2935 A 242 305 1.3 87
Show 18250+2724 HO 84 DE 322 4.4 89
Show 18177+2642 TDT 779 169 0.5 89
Show 18257+2828 TDT 858 57 0.4 89
Show 18178+2640 LEP 88 241 39.8 90
Show 18250+2724 STF2315 AB 117 0.6 90
Show 18250+2724 STF2315 AC 79 44.9 90
Show 18250+2724 BU 9009 AD 290 118.0 90
Show 18172+2640 A 241 288 0.7 92
Show 18170+2937 UC 238 66 48.6 93
Show 18121+2739 STF2292 276 0.8 98
Show 18265+2842 HJ 1324 14 5.6 104
Show 18223+2633 TDT 819 216 0.6 105
Show 18271+2754 TDS 921 315 0.9 107
Show 18194+2955 AG 360 169 19.1 107
Show 18270+2832 MLB 648 22 10.1 108
Show 18265+2721 BU 264 8.0 110
Show 18251+2654 AG 361 13 3.8 110
Show 18112+2850 TDT 727 343 0.4 112
Show 18273+2856 HO 433 328 9.8 119
Show 18259+2652 UC 3578 185 4.5 119
Show 18257+2649 DAM1237 10 10.6 119

 
 
WDS 18191+2808 : COMPONENTS
 
 
  A
B pa=143.5°
sep=9.49"
 
 
18191+2808 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181905.28+280817.5 Mag 10.5 PmRA -3.00
PmDE 3.0
 
 
18191+2808 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181905.71+280809.9 Mag 11.1 PmRA -1.00
PmDE 7.0 Calc delta mag 0.6 Calc coord yes