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Doubles in session


Current system
20310+2007
HJ 2974
HD 352418


Nearby doubles
30' : 20310+2036
BU 363AB

36' : 20306+1932
UC 251

44' : 20327+1932
OSO 126AB

44' : 20302+1925
BU 987AB

47' : 20314+2054
J 844

48' : 20317+2055
GCB 58

48' : 20310+2054
GCB 55

51' : 20306+2058
DAM 272

51' : 20320+2056
DAM 216

55' : 20314+2101
DAM 215

56' : 20278+1935
TDT2296

63' : 20307+2109
COU 222

66' : 20267+1940
GWP2949

67' : 20272+2049
BRT2476

67' : 20339+1915
J 3094AB

67' : 20329+1906
COU2644

70' : 20336+2106
ARN 83

73' : 20284+2110
GRV 342

74' : 20336+2111
HJ 2979AB

85' : 20343+1857
GRV 354

87' : 20365+2044
J 3096AB

87' : 20363+1924
KPP 475

88' : 20338+2125
TDS1083

90' : 20283+1846
HO 131AB

90' : 20348+1857
J 790

96' : 20378+1936
J 3099



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.

20310+2007 HJ 2974 (HD 352418)

 
 
20h 30m 59.23s +20° 07' 15.6" P.A. 297.00 sep 14.4 mag 9.70,9.93 Sp K2
 
 
Coord 2000 20310+2007 Discov num HJ 2974 Comp Coord arcsec 2000 20 30 59.23 +20 07 15.6
Date first 1831 Date last 2019 Obs 24
Pa first 287 Pa last 296.7 P.A. Now (θ) 296.7°
Sep first 15.0 Sep last 14.433 Sep. Now (ρ) 14.433"
Mag pri 9.70 Mag sec 9.93 delta mag (ΔM) 0.23 Spectral class K2 (yellow-orange)
Pri motion ra -008 Sec motion ra -010
Pri motion dec -019 Sec motion dec -003
Notes
rPM=0.782
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 352418 Constellation Delphinus SAO 106193 Tycho2 1640-00308-1
Gaia DR2 1816020341508164352 HD 352418
 
 
WDS 20310+2007 HJ 2974 (HD 352418) : 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
20310+2007 HJ 2974 2004 14 297 14.3 9.70 9.93 K2 D 203059.23+200715.6
20310+2007 HJ 2974 2010 16 297 14.4 9.70 9.93 K2 203059.23+200715.6
20310+2007 HJ 2974 2016 17 297 14.4 9.70 9.93 K2 203059.23+200715.6
20310+2007 HJ 2974 2019 23 297 14.4 9.70 9.93 K2 203059.23+200715.6

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

 
 
WDS 20310+2007 HJ 2974 (HD 352418) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20310+2007 HJ 2974 (HD 352418) : MEASURES
 
 
No records found.

 
 
WDS 20310+2007 (HD 352418) : VIRTUAL EYEPIECE
 
 

20310+2007 HJ 2974A mag 9.7 Sp K2 20310+2007 HJ 2974B sep 13.7 P.A. 298.20 mag 9.93 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 20310+2007 (HD 352418) : ALADIN DSS IMAGE @ 20h 30m 59.23s +20° 07' 15.6"
 
 
 
 
WDS 20310+2007 HJ 2974 (HD 352418) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20310+2007 HJ 2974 distance=0' 20310+2036 BU 363AB distance=30' 20310+2036 BU 363AC distance=30' 20306+1932 UC 251 distance=36' 20302+1925 FOX 254CD distance=44' 20327+1932 OSO 126AB distance=44' 20327+1932 OSO 126AC distance=44' 20327+1932 OSO 126AD distance=44' 20327+1932 OSO 126AE distance=44' 20327+1932 OSO 126AF distance=44' 20302+1925 BU 987AB distance=44' 20302+1925 S 752AC distance=44' 20302+1925 FOX 254AE distance=44' 20314+2049 DAM1459BC distance=45' 20314+2049 J 3091A,BC distance=45' 20314+2054 J 844 distance=47' 20317+2055 GCB 58 distance=48' 20310+2054 GCB 55 distance=48' 20306+2058 DAM 272 distance=51' 20320+2056 DAM 216 distance=51' 20314+2101 DAM 215 distance=55' 20278+1935 TDT2296 distance=56' 20307+2109 COU 222 distance=63' 20267+1940 GWP2949 distance=66' 20272+2049 BRT2476 distance=67' 20339+1915 J 3094AB distance=67' 20339+1915 FYM 313AC distance=67' 20329+1906 COU2644 distance=67' 20336+2106 ARN 83 distance=70' 20284+2110 GRV 342 distance=73' 20336+2111 HJ 2979AB distance=74' 20336+2111 HJ 2979AC distance=74' 20343+1857 GRV 354 distance=85' 20365+2044 J 3096AB distance=87' 20363+1924 KPP 475 distance=87' 20365+2044 J 3096BC distance=87' 20338+2125 TDS1083 distance=88' 20283+1846 HO 131AB distance=90' 20283+1846 HO 131AC distance=90' 20283+1846 HO 131AD distance=90' 20348+1857 J 790 distance=90' 20378+1936 J 3099 distance=96' 20305+1829 J 2313 distance=99' 20244+1935 STF2679AB distance=99' 20244+1935 STF2679AC distance=99' 20386+2007 COU 225 distance=107' 20381+2050 COU 328 distance=109' 20306+2158 BRT2478 distance=111' 20243+1909 HU 361 distance=112' 20230+2020 HDS2911 distance=114' 20228+2023 J 3081 distance=116' 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 20310+2007 HJ 2974 297 14.4
Show 20310+2036 BU 363 AB 88 5.7 30
Show 20310+2036 BU 363 AC 206 55.9 30
Show 20306+1932 UC 251 38 39.9 36
Show 20302+1925 FOX 254 CD 301 35.0 44
Show 20327+1932 OSO 126 AB 198 6.9 44
Show 20327+1932 OSO 126 AC 275 10.3 44
Show 20327+1932 OSO 126 AD 170 23.2 44
Show 20327+1932 OSO 126 AE 338 25.4 44
Show 20327+1932 OSO 126 AF 161 21.8 44
Show 20302+1925 BU 987 AB 128 2.5 44
Show 20302+1925 S 752 AC 288 106.3 44
Show 20302+1925 FOX 254 AE 70 21.2 44
Show 20314+2049 DAM1459 BC 7 1.7 45
Show 20314+2049 J 3091 A,BC 123 6.1 45
Show 20314+2054 J 844 117 4.0 47
Show 20317+2055 GCB 58 109 4.3 48
Show 20310+2054 GCB 55 149 6.7 48
Show 20306+2058 DAM 272 333 7.2 51
Show 20320+2056 DAM 216 76 11.8 51
Show 20314+2101 DAM 215 136 4.5 55
Show 20278+1935 TDT2296 359 1.6 56
Show 20307+2109 COU 222 4 1.2 63
Show 20267+1940 GWP2949 267 111.9 66
Show 20272+2049 BRT2476 77 5.6 67
Show 20339+1915 J 3094 AB 22 7.5 67
Show 20339+1915 FYM 313 AC 340 15.4 67
Show 20329+1906 COU2644 286 0.8 67
Show 20336+2106 ARN 83 75 58.6 70
Show 20284+2110 GRV 342 97 37.2 73
Show 20336+2111 HJ 2979 AB 63 10.4 74
Show 20336+2111 HJ 2979 AC 354 18.9 74
Show 20343+1857 GRV 354 9 48.2 85
Show 20365+2044 J 3096 AB 2 26.6 87
Show 20363+1924 KPP 475 113 4.8 87
Show 20365+2044 J 3096 BC 10 8.5 87
Show 20338+2125 TDS1083 354 2.5 88
Show 20283+1846 HO 131 AB 334 3.4 90
Show 20283+1846 HO 131 AC 69 64.4 90
Show 20283+1846 HO 131 AD 97 76.9 90
Show 20348+1857 J 790 87 2.4 90
Show 20378+1936 J 3099 145 5.5 96
Show 20305+1829 J 2313 137 6.2 99
Show 20244+1935 STF2679 AB 77 24.7 99
Show 20244+1935 STF2679 AC 150 38.6 99
Show 20386+2007 COU 225 286 0.3 107
Show 20381+2050 COU 328 155 1.0 109
Show 20306+2158 BRT2478 297 3.6 111
Show 20243+1909 HU 361 198 0.6 112
Show 20230+2020 HDS2911 333 0.4 114
Show 20228+2023 J 3081 6.2 116

 
 
WDS 20310+2007 : COMPONENTS
 
 
  A
B pa=298.2°
sep=13.73"
 
 
20310+2007 A
 
 
Componente originario normalizzato AB Name HD 352419 Coord arcsec 2000 203059.23+200715.6 Mag 9.7
Spectral class K2 (yellow-orange) PmRA -8.00 PmDE -19.0 SAO 106193
Tycho2 1640-00308-1 HD 352419 DM BD+19 4432
Tycho2
Tycho2 1640-00308-1 Pflag RAmdeg 307.74678750 DEmdeg 20.12100564
PmRA -8.0 PmDE -18.4 E RAmdeg 24 E DEmdeg 26
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.42 EpDEm 1987.61
Num 3 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.6
Q pmDE 1.4 BTmag 11.115 E BTmag 0.064 VTmag 9.699
E VTmag 0.030 Prox 142 TYC T HIP
CCDM RAdeg 307.74680750 DEdeg 20.12104917 EpRA 1990 1.61
EpDE 1990 1.48 E RAdeg 23.5 E DEdeg 27.0 Posflg
Corr 0.1
SAO
SAO 106193 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.01 Vmag 9.5 SpType K5
Double code Source 28 CatNum 8227 DM BD+19 4432
DMcomp BDsup HD 352419 M HD 0
GC RA1950rad 5.36142173 DE1950rad 0.34822761 PmRA2000 0.0016
PmDE2000 -0.012
CCDM
Ccdm 20310+2007 RComp Comp A Note1
Note2 Discov num DRAs -0.87 DDEs 14.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.2 Sp PmNote *
PmRA -17 PmDE -28 Dm number +19 4432 Cat1 BD
Name2 +19 2058 Cat2 AGK2/3 HD M HD
ADS BDS B10288 M ADS BDS N IDS IDS 20267N1947A
HIC
 
 
20310+2007 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203058.37+200722.1 Mag 9.93 PmRA -10.00
PmDE -3.0 Tycho2 1640-02126-1 HD 352418 Calc delta mag 0.23
Calc coord yes
Tycho2
Tycho2 1640-02126-1 Pflag RAmdeg 307.74300404 DEmdeg 20.12277634
PmRA -9.4 PmDE -3.0 E RAmdeg 28 E DEmdeg 33
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.57 EpDEm 1986.03
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.5 BTmag 11.282 E BTmag 0.076 VTmag 9.925
E VTmag 0.038 Prox 142 TYC T HIP
CCDM RAdeg 307.74302750 DEdeg 20.12278361 EpRA 1990 1.59
EpDE 1990 1.47 E RAdeg 29.3 E DEdeg 33.5 Posflg
Corr 0.1
CCDM
Ccdm 20310+2007 RComp Comp B Note1
Note2 Discov num HJ 2974 DRAs -1.80 DDEs 20.2
R dRAs 10 Year 1919 Theta 290 Rho 14.3
Obs 2 Vmag 10.4 Sp K PmNote *
PmRA -20 PmDE -24 Dm number Cat1
Name2 +19 2057 Cat2 AGK2/3 HD M HD
ADS BDS B10288 M ADS BDS N IDS IDS 20267N1947B
HIC