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Doubles in session


Current system
18405+3017
HJ 1336 AD


Nearby doubles
11' : 18413+3018
STF2367AB

15' : 18395+3009
LDS4794

19' : 18414+3032
TDT 998

20' : 18412+3000
SLE 115

23' : 18394+3000
SLE 101

28' : 18409+3044
SLE 114

32' : 18424+3036
LDS1014

33' : 18429+3008
SLE 117AB

35' : 18400+3051
ARY 59

37' : 18381+3000
J 1138

38' : 18386+3046
STF2359AB

39' : 18396+2940
SLE 102

43' : 18367+3036
HJ 1330AB

43' : 18437+3024
STF2376AB

44' : 18434+3037
SLE 118

45' : 18428+2945
SLE 116

48' : 18386+2937
J 525

48' : 18369+3032
DAM 111

52' : 18442+3000
TDT1022

53' : 18389+3106
SLE 113

60' : 18422+2922
RAO 396

65' : 18448+2945
TDT1028

65' : 18454+3005
SLE 119

68' : 18375+3112
A 250

74' : 18381+2911
TDT 965

75' : 18409+3132
HJ 1337



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.

18405+3017 HJ 1336 AD

 
 
18h 40m 28.90s +30° 17' 21.5" P.A. 294.00 sep 33.1 mag 8.69,12.70 Sp A0
 
 
Coord 2000 18405+3017 Discov num HJ 1336 Comp AD Coord arcsec 2000 18 40 28.90 +30 17 21.5
Date first 1828 Date last 2015 Obs 11
Pa first 300 Pa last 294.4 P.A. Now (θ) 294.4°
Sep first 15.0 Sep last 33.129 Sep. Now (ρ) 33.129"
Mag pri 8.69 Mag sec 12.70 delta mag (ΔM) 4.01 Spectral class A0 (white)
Pri motion ra +002 Sec motion ra +003
Pri motion dec -004 Sec motion dec -007
Notes
rPM=0.415
Nature of this double is uncertain.
 
 
18405+3017 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172716 67236 18 40 29 +30 17 22 HJ 1336 AB 2015 8 89 16.9 8.69 12.00 3.31
Show 67236 18 40 29 +30 17 22 HJ 1336 AC 2015 8 176 32.6 8.69 11.50 2.81
Show 67236 18 40 29 +30 17 22 HJ 1336 AD 2015 11 294 33.1 8.69 12.70 4.01 <===
Show 67236 18 40 29 +30 17 22 HJ 1336 AE 2015 8 334 32.3 8.69 14.20 5.51
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67236 Tycho2 2637-00449-1 Gaia DR2 4587912519745597312
HD 172716
 
 
WDS 18405+3017 HJ 1336 AD : 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
18405+3017 HJ 1336 AD 1998 4 295 33.1 8.69 12.70 A0 D 184028.90+301721.5
18405+3017 HJ 1336 AD 2002 6 295 33.2 8.69 12.70 A0 D 184028.90+301721.5
18405+3017 HJ 1336 AD 2012 7 294 33.3 8.69 12.70 A0 D 184028.90+301721.5
18405+3017 HJ 1336 AD 2015 8 294 33.1 8.69 12.70 A0 184028.90+301721.5

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

 
 
WDS 18405+3017 HJ 1336 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18405+3017 HJ 1336 AD : MEASURES
 
 
No records found.

 
 
WDS 18405+3017 : VIRTUAL EYEPIECE
 
 

18405+3017 HJ 1336A mag 8.69 Sp A0 18405+3017 HJ 1336B sep 14.6 P.A. 89.00 mag 12 18405+3017 HJ 1336C sep 32.5 P.A. 176.20 mag 11.5 18405+3017 HJ 1336D sep 29.4 P.A. 297.70 mag 12.7 18405+3017 HJ 1336E sep 31.5 P.A. 337.20 mag 14.2 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 18405+3017 : ALADIN DSS IMAGE @ 18h 40m 28.90s +30° 17' 21.5"
 
 
 
 
WDS 18405+3017 HJ 1336 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18405+3017 HJ 1336AD distance=0' 18413+3018 STF2367AB distance=11' 18413+3018 BTG 2AB,F distance=11' 18413+3018 STF2367AB,C distance=11' 18413+3018 STF2367AB,D distance=11' 18413+3018 STF2367AB,E distance=11' 18395+3009 LDS4794 distance=15' 18414+3032 TDT 998 distance=19' 18412+3000 SLE 115 distance=20' 18394+3000 SLE 101 distance=23' 18409+3044 SLE 114 distance=28' 18424+3036 LDS1014 distance=32' 18429+3008 SLE 117AB distance=33' 18429+3008 SLE 117AC distance=33' 18400+3051 ARY 59 distance=35' 18386+3046 STF2358CD distance=36' 18381+3000 J 1138 distance=37' 18386+3046 STF2359AB distance=38' 18386+3046 STF2359AC distance=38' 18386+3046 STF2359AD distance=38' 18386+3046 STF2359AE distance=38' 18396+2940 SLE 102 distance=39' 18367+3036 HJ 1330AB distance=43' 18367+3036 DAM 110AC distance=43' 18437+3024 STF2376AB distance=43' 18437+3024 STF2376AC distance=43' 18437+3024 SLE 112AD distance=43' 18434+3037 SLE 118 distance=44' 18428+2945 SLE 116 distance=45' 18386+2937 J 525 distance=48' 18369+3032 DAM 111 distance=48' 18442+3000 TDT1022 distance=52' 18389+3106 SLE 113 distance=53' 18422+2922 RAO 396 distance=60' 18448+2945 TDT1028 distance=65' 18454+3005 SLE 119 distance=65' 18375+3112 A 250 distance=68' 18381+2911 TDT 965 distance=74' 18409+3132 HJ 1337 distance=75' 18369+2915 SLE 98 distance=79' 18405+3139 HO 437AB distance=82' 18405+3139 HO 437AC distance=82' 18405+3139 HO 437AE distance=82' 18405+3139 HO 437CD distance=82' 18421+2857 HDS2648 distance=83' 18387+2858 L 53 distance=84' 18452+2919 SLE 105 distance=85' 18465+3055 A 254 distance=87' 18458+3113 SLE 120 distance=89' 18422+2851 LDS4795 distance=90' 18468+3055 BRT 261 distance=90' 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 18405+3017 HJ 1336 AB 89 16.9
Show 18405+3017 HJ 1336 AC 176 32.6
Show 18405+3017 HJ 1336 AD 294 33.1
Show 18405+3017 HJ 1336 AE 334 32.3
Show 18413+3018 STF2367 AB 73 0.4 11
Show 18413+3018 BTG 2 AB,F 173 42.4 11
Show 18413+3018 STF2367 AB,C 192 14.1 11
Show 18413+3018 STF2367 AB,D 84 21.9 11
Show 18413+3018 STF2367 AB,E 341 151.7 11
Show 18395+3009 LDS4794 13 224.9 15
Show 18414+3032 TDT 998 315 0.8 19
Show 18412+3000 SLE 115 40 8.5 20
Show 18394+3000 SLE 101 235 20.2 23
Show 18409+3044 SLE 114 145 4.3 28
Show 18424+3036 LDS1014 13 49.3 32
Show 18429+3008 SLE 117 AB 299 13.6 33
Show 18429+3008 SLE 117 AC 13 17.7 33
Show 18400+3051 ARY 59 280 52.4 35
Show 18386+3046 STF2358 CD 224 2.5 36
Show 18381+3000 J 1138 300 2.7 37
Show 18386+3046 STF2359 AB 293 24.5 38
Show 18386+3046 STF2359 AC 183 136.9 38
Show 18386+3046 STF2359 AD 183 138.6 38
Show 18386+3046 STF2359 AE 148 225.0 38
Show 18396+2940 SLE 102 103 13.3 39
Show 18367+3036 HJ 1330 AB 224 9.3 43
Show 18367+3036 DAM 110 AC 289 8.1 43
Show 18437+3024 STF2376 AB 63 22.3 43
Show 18437+3024 STF2376 AC 206 85.1 43
Show 18437+3024 SLE 112 AD 168 29.1 43
Show 18434+3037 SLE 118 45 8.3 44
Show 18428+2945 SLE 116 71 18.2 45
Show 18386+2937 J 525 70 3.1 48
Show 18369+3032 DAM 111 286 7.2 48
Show 18442+3000 TDT1022 128 0.6 52
Show 18389+3106 SLE 113 125 11.0 53
Show 18422+2922 RAO 396 110 0.9 60
Show 18448+2945 TDT1028 69 0.6 65
Show 18454+3005 SLE 119 177 6.6 65
Show 18375+3112 A 250 114 2.4 68
Show 18381+2911 TDT 965 141 0.6 74
Show 18409+3132 HJ 1337 151 9.4 75
Show 18369+2915 SLE 98 315 11.2 79
Show 18405+3139 HO 437 AB 140 0.3 82
Show 18405+3139 HO 437 AC 272 39.9 82
Show 18405+3139 HO 437 AE 288 22.1 82
Show 18405+3139 HO 437 CD 347 4.5 82
Show 18421+2857 HDS2648 194 0.3 83
Show 18387+2858 L 53 21 8.3 84
Show 18452+2919 SLE 105 93 10.2 85
Show 18465+3055 A 254 48 2.3 87

 
 
WDS 18405+3017 : COMPONENTS
 
 
  A B C D
B pa=89.0°
sep=14.57"
 
C pa=176.2°
sep=32.53"
pa=200.8°
sep=35.00"
 
D pa=297.7°
sep=29.43"
pa=288.3°
sep=42.78"
pa=328.6°
sep=54.08"
 
E pa=337.2°
sep=31.49"
pa=317.0°
sep=39.31"
pa=346.8°
sep=63.14"
pa=42.0°
sep=20.65"
 
 
18405+3017 A
 
 
Name HD 172716 Coord arcsec 2000 184028.90+301721.5 Mag 8.69 Spectral class A0 (white)
PmRA 2.00 PmDE -4.0 SAO 67236 Tycho2 2637-00449-1
HD 172716 GC 25555 DM BD+30 3264
Tycho2
Tycho2 2637-00449-1 Pflag RAmdeg 280.12046451 DEmdeg 30.28932273
PmRA 2.5 PmDE -2.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.14 EpDEm 1991.13
Num 9 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.700 E BTmag 0.016 VTmag 8.690
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 280.12045778 DEdeg 30.28932917 EpRA 1990 1.55
EpDE 1990 1.60 E RAdeg 6.0 E DEdeg 6.1 Posflg
Corr 0.0
SAO
SAO 67236 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.012 Vmag 8.5 SpType A0
Double code Source 70 CatNum 25555 DM BD+30 3264
DMcomp BDsup HD 172716 M HD 0
GC 25555 RA1950rad 4.88063289 DE1950rad 0.5278191 PmRA2000 0.0002
PmDE2000 0.012
CCDM
Ccdm 18405+3017 RComp Comp A Note1
Note2 Discov num DRAs -1.10 DDEs 22.6
R dRAs 10 Year Theta Rho
Obs 5 Vmag 8.6 Sp A0 PmNote *
PmRA -1 PmDE 14 Dm number +30 3264 Cat1 BD
Name2 +30 1738 Cat2 AGK2/3 HD 172716 M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012A
HIC
 
 
18405+3017 B
 
 
Coord arcsec 2000 184030.02+301721.8 Mag 12 PmRA -8.00 PmDE -9.0
Calc delta mag 3.31 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp B Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1901 Theta 088 Rho 17.6
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012B
HIC
 
 
18405+3017 C
 
 
Coord arcsec 2000 184029.07+301649.0 Mag 11.5 PmRA 1.00 PmDE 0.0
Calc delta mag 2.81 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp C Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1901 Theta 177 Rho 32.2
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012C
HIC
 
 
18405+3017 D
 
 
Coord arcsec 2000 184026.89+301735.2 Mag 12.7 PmRA 3.00 PmDE -7.0
Calc delta mag 4.01 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp D Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1906 Theta 296 Rho 34.5
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012D
HIC
 
 
18405+3017 E
 
 
Coord arcsec 2000 184027.96+301750.5 Mag 14.2 Calc delta mag 5.51 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp E Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1906 Theta 333 Rho 31.8
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18366N3012E
HIC