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Current system
20471+1918
HO 141 AB
HD 352968


Nearby doubles
8' : 20466+1915
COU 426

8' : 20467+1913
GWP2997

17' : 20472+1901
TDT2538

31' : 20485+1854
HO 459

32' : 20467+1846
YR 28

36' : 20488+1943
JNN 286

40' : 20479+1840
UC 4292

42' : 20448+1943
COU 424

48' : 20444+1945
CAR 2

55' : 20509+1907
J 195

56' : 20436+1944
STF2722

59' : 20433+1855
TDS1094

62' : 20435+1953
STF2721

64' : 20480+1816
BPM2268

65' : 20509+1953
UC 255

66' : 20507+1959
ROE 16AB

69' : 20423+1921
SHN 39

74' : 20517+1954
TDT2585

75' : 20493+2026
HJ 926

76' : 20419+1931
COU 226AB

77' : 20425+1837
TDT2486

78' : 20499+1811
UC 4302

78' : 20422+1952
LBU 19AB

82' : 20447+2032
BRT2484

83' : 20523+1841
UC 4314

87' : 20467+2044
HJ 2999AB



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20471+1918 HO 141 AB (HD 352968)

 
 
20h 47m 05.66s +19° 17' 47.5" P.A. 294.00 sep 1.6 mag 9.53,11.19 Sp A3
 
 
Coord 2000 20471+1918 Discov num HO  141 Comp AB Coord arcsec 2000 20 47 05.66 +19 17 47.5
Date first 1881 Date last 2016 Obs 13
Pa first 289 Pa last 293.8 P.A. Now (θ) 293.8°
Sep first 1.2 Sep last 1.603 Sep. Now (ρ) 1.603"
Mag pri 9.53 Mag sec 11.19 delta mag (ΔM) 1.66 Spectral class A3 (white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
20471+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 352968 106486 20 47 06 +19 17 48 HO 141 AB 2016 13 294 1.6 9.53 11.19 1.66 <===
Show 20 47 06 +19 17 48 HO 141 AC 2015 4 64 22.6 9.53 13.80 4.27
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 352968 Constellation Delphinus SAO 106486 Tycho2 1642-01821-1
Gaia DR2 1814005894464297600 HD 352968 ADS 14284
 
 
WDS 20471+1918 HO 141 AB (HD 352968) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20471+1918 HO 141 AB 2002 9 294 1.5 9.53 11.19 A3 204705.66+191747.5
20471+1918 HO 141 AB 2013 10 293 1.6 9.53 11.19 A3 204705.66+191747.5
20471+1918 HO 141 AB 2016 11 294 1.6 9.53 11.19 A3 204705.66+191747.5

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

 
 
WDS 20471+1918 HO 141 AB (HD 352968) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20471+1918 HO 141 AB (HD 352968) : MEASURES
 
 
No records found.

 
 
WDS 20471+1918 (HD 352968) : VIRTUAL EYEPIECE
 
 

20471+1918 HO 141A mag 9.53 Sp A3 20471+1918 HO 141B sep 1.5 P.A. 295.00 mag 11.19 20471+1918 HO 141C sep 21.6 P.A. 62.90 mag 13.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20471+1918 (HD 352968) : ALADIN DSS IMAGE @ 20h 47m 05.66s +19° 17' 47.5"
 
 
 
 
WDS 20471+1918 HO 141 AB (HD 352968) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20471+1918 HO 141AB distance=0' 20466+1915 COU 426 distance=8' 20467+1913 GWP2997 distance=8' 20472+1901 TDT2538 distance=17' 20485+1854 HO 459 distance=31' 20467+1846 YR 28 distance=32' 20488+1943 JNN 286 distance=36' 20479+1840 UC 4292 distance=40' 20448+1943 COU 424 distance=42' 20444+1945 CAR 2 distance=48' 20509+1907 J 195 distance=55' 20436+1944 STF2722 distance=56' 20433+1855 TDS1094 distance=59' 20435+1953 STF2721 distance=62' 20480+1816 BPM2268 distance=64' 20509+1953 UC 255 distance=65' 20507+1959 ROE 16AB distance=66' 20507+1959 ROE 16AC distance=66' 20423+1921 SHN 39 distance=69' 20517+1954 TDT2585 distance=74' 20493+2026 HJ 926 distance=75' 20419+1931 COU 226AB distance=76' 20419+1931 COU 226AC distance=76' 20425+1837 TDT2486 distance=77' 20499+1811 UC 4302 distance=78' 20422+1952 LBU 19AB distance=78' 20422+1952 LBU 19AC distance=78' 20422+1952 LBU 19AD distance=78' 20447+2032 BRT2484 distance=82' 20523+1841 UC 4314 distance=83' 20467+2044 HJ 2999AB distance=87' 20467+2044 TOB 197AC distance=87' 20449+2041 J 1179 distance=87' 20534+1921 J 573 distance=89' 20524+2008 HO 144 distance=90' 20420+1821 J 193 distance=92' 20437+1800 LDS4857 distance=93' 20444+1752 UC 4276 distance=95' 20536+1935 HO 597 distance=95' 20408+1956 RAO 23Ca,Cb distance=97' 20408+1956 RAO 23CD distance=97' 20408+1956 RAO 23CE distance=97' 20410+2001 HJ 2987 distance=98' 20408+1956 BUP 215AB distance=98' 20408+1956 LDS1045AC distance=98' 20448+2051 A 172 distance=99' 20398+1927 J 2604 distance=105' 20412+2023 COU 423 distance=106' 20479+1732 BRT1348 distance=107' 20530+1806 UC 4316 distance=110' 20395+1857 HU 362 distance=110' 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 20471+1918 HO 141 AB 294 1.6
Show 20471+1918 HO 141 AC 64 22.6
Show 20466+1915 COU 426 158 0.3 8
Show 20467+1913 GWP2997 116 272.0 8
Show 20472+1901 TDT2538 234 1.0 17
Show 20485+1854 HO 459 24 0.5 31
Show 20467+1846 YR 28 71 0.0 32
Show 20488+1943 JNN 286 179 0.2 36
Show 20479+1840 UC 4292 105 11.0 40
Show 20448+1943 COU 424 239 5.5 42
Show 20444+1945 CAR 2 82 0.2 48
Show 20509+1907 J 195 23 3.3 55
Show 20436+1944 STF2722 306 7.5 56
Show 20433+1855 TDS1094 261 1.0 59
Show 20435+1953 STF2721 22 2.6 62
Show 20480+1816 BPM2268 54 74.1 64
Show 20509+1953 UC 255 263 11.9 65
Show 20507+1959 ROE 16 AB 75 6.0 66
Show 20507+1959 ROE 16 AC 246 8.6 66
Show 20423+1921 SHN 39 54 0.5 69
Show 20517+1954 TDT2585 272 0.6 74
Show 20493+2026 HJ 926 190 5.8 75
Show 20419+1931 COU 226 AB 53 0.4 76
Show 20419+1931 COU 226 AC 337 13.9 76
Show 20425+1837 TDT2486 76 0.7 77
Show 20499+1811 UC 4302 172 82.1 78
Show 20422+1952 LBU 19 AB 138 124.7 78
Show 20422+1952 LBU 19 AC 111 94.9 78
Show 20422+1952 LBU 19 AD 23 129.8 78
Show 20447+2032 BRT2484 5 2.9 82
Show 20523+1841 UC 4314 181 49.2 83
Show 20467+2044 HJ 2999 AB 221 10.3 87
Show 20467+2044 TOB 197 AC 271 19.5 87
Show 20449+2041 J 1179 143 4.0 87
Show 20534+1921 J 573 186 4.2 89
Show 20524+2008 HO 144 350 0.4 90
Show 20420+1821 J 193 81 5.5 92
Show 20437+1800 LDS4857 128 52.4 93
Show 20444+1752 UC 4276 284 50.8 95
Show 20536+1935 HO 597 236 10.3 95
Show 20408+1956 RAO 23 Ca,Cb 227 0.2 97
Show 20408+1956 RAO 23 CD 303 20.3 97
Show 20408+1956 RAO 23 CE 327 29.4 97
Show 20410+2001 HJ 2987 116 10.8 98
Show 20408+1956 BUP 215 AB 25 69.4 98
Show 20408+1956 LDS1045 AC 184 125.2 98
Show 20448+2051 A 172 219 2.9 99
Show 20398+1927 J 2604 141 2.2 105
Show 20412+2023 COU 423 162 0.4 106
Show 20479+1732 BRT1348 123 5.7 107
Show 20530+1806 UC 4316 216 48.9 110

 
 
WDS 20471+1918 : COMPONENTS
 
 
  A B
B pa=295.0°
sep=1.53"
 
C pa=62.9°
sep=21.58"
pa=65.9°
sep=22.55"
 
 
20471+1918 A
 
 
Name HD 352968 Coord arcsec 2000 204705.66+191747.5 Mag 9.53 Spectral class A3 (white)
PmRA 3.00 PmDE -7.0 Tycho2 1642-01821-1 ADS 14284
DM BD+18 4619
Tycho2
Tycho2 1642-01821-1 Pflag P RAmdeg 311.77358814 DEmdeg 19.29653730
PmRA 2.7 PmDE -6.9 E RAmdeg 10 E DEmdeg 13
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.77 EpDEm 1990.01
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 9.678 E BTmag 0.022 VTmag 9.529
E VTmag 0.022 Prox 16 TYC T HIP
CCDM RAdeg 311.77361278 DEdeg 19.29654028 EpRA 1990 1.61
EpDE 1990 1.41 E RAdeg 10.3 E DEdeg 13.3 Posflg D
Corr -0.2
CCDM
Ccdm 20471+1918 RComp Comp A Note1
Note2 Discov num DRAs -0.43 DDEs -12.1
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.1 Sp PmNote *
PmRA -5 PmDE -1 Dm number +18 4619 Cat1 BD
Name2 +19 2094 Cat2 AGK2/3 HD M HD
ADS BDS A14284 M ADS BDS N IDS IDS 20426N1856A
HIC
 
 
20471+1918 B
 
 
Coord arcsec 2000 204705.56+191748.1 Mag 11.19 PmRA 3.00 PmDE -7.0
SAO 106486 Tycho2 1642-01821-2 HD 352968 DM BD+18 4618
Calc delta mag 1.66 Calc coord yes
Tycho2
Tycho2 1642-01821-2 Pflag P RAmdeg 311.77358814 DEmdeg 19.29653730
PmRA 2.7 PmDE -6.9 E RAmdeg 10 E DEmdeg 13
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.77 EpDEm 1990.01
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 11.759 E BTmag 0.081 VTmag 11.194
E VTmag 0.084 Prox 16 TYC HIP
CCDM RAdeg 311.77319278 DEdeg 19.29672000 EpRA 1990 1.63
EpDE 1990 1.44 E RAdeg 46.3 E DEdeg 62.3 Posflg D
Corr -0.2
SAO
SAO 106486 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.013 Vmag 9.3 SpType A5
Double code Source 28 CatNum 8390 DM BD+18 4618
DMcomp BDsup HD 352968 M HD 0
GC RA1950rad 5.43156424 DE1950rad 0.33285323 PmRA2000 0.0002
PmDE2000 -0.015
CCDM
Ccdm 20471+1918 RComp Comp B Note1
Note2 Discov num HO 141 DRAs DDEs
R dRAs Year 1881 Theta 288 Rho 1.2
Obs 7 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14284 M ADS BDS N IDS IDS 20426N1856B
HIC
 
 
20471+1918 C
 
 
Coord arcsec 2000 204707.02+191757.3 Mag 13.8 PmRA 1.00 PmDE -2.0
Calc delta mag 4.27 Calc coord yes
CCDM
Ccdm 20471+1918 RComp Comp C Note1
Note2 Discov num HO 141 DRAs DDEs
R dRAs Year 1906 Theta 068 Rho 23.8
Obs 1 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14284 M ADS BDS N IDS IDS 20426N1856C
HIC