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Doubles in session


Current system
18011-1952
A 2387 AB
HD 164262


Nearby doubles
6' : 18011-1958
I 620

11' : 18012-1942
B 2849

31' : 18004-1923
OCC 526

35' : 17599-2023
TDT 619

39' : 18000-2027
DON 876

42' : 18025-1916
BHA 22

44' : 17585-2016
DON 875

47' : 18033-1919
BRT1512

50' : 17576-1953
OCC1021

52' : 17575-1957
A 2255

53' : 18023-1903
ARA 722

54' : 18046-1936
HJ 2817

54' : 17577-1927
OCC 525

55' : 17579-1921
RST5097

55' : 18009-1858
HJ 2815

55' : 17582-1916
CHR 66

56' : 18039-1913
B 2431

56' : 18011-2048
HLD 140

59' : 17574-1925
SKF 933

65' : 18036-1859
TSN 185

68' : 17569-1920
B 2846

71' : 17567-2026
DON 871

72' : 18047-1903
B 2852

73' : 18048-1902
OCC 536

73' : 17571-1906
ARA 719

75' : 18063-1955
OCC9174



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

18011-1952 A 2387 AB (HD 164262)

 
 
18h 01m 04.10s -19° 52' 22.6" P.A. 44.00 sep 1.0 mag 8.95,10.90 Sp A9V
 
 
Coord 2000 18011-1952 Discov num A  2387 Comp AB Coord arcsec 2000 18 01 04.10 -19 52 22.6
Date first 1910 Date last 1991 Obs 5
Pa first 53 Pa last 44.4 P.A. Now (θ) 44.4°
Sep first 0.8 Sep last 0.972 Sep. Now (ρ) 0.972"
Mag pri 8.95 Mag sec 10.90 delta mag (ΔM) 1.95 Spectral class A9V (white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -031 Sec motion dec -031
Notes
Nature of this double is uncertain.
 
 
18011-1952 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164262 160993 18 01 04 -19 52 23 A 2387 AB 1991 5 44 1.0 8.95 10.90 1.95 <===
Show 160993 18 01 04 -19 52 23 I 9027 AC 2017 7 301 33.3 8.95 11.78 2.83
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164262 Constellation Sagittarius SAO 160993 Tycho2 6259-00050-1
Gaia DR2 4071181461021520128 HD 164262
 
 
WDS 18011-1952 A 2387 AB (HD 164262) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
I MNRAS 57, 533, 1897 (data also in I__1897b,
I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18011-1952 A 2387 AB 1991 5 44 1.0 8.95 10.90 A9V -19 4795 180104.10-195222.6

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

 
 
WDS 18011-1952 A 2387 AB (HD 164262) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18011-1952 A 2387 AB (HD 164262) : MEASURES
 
 
No records found.

 
 
WDS 18011-1952 (HD 164262) : VIRTUAL EYEPIECE
 
 

18011-1952 A 2387A mag 8.95 Sp A9V 18011-1952 A 2387B sep 1.0 P.A. 44.40 mag 10.9 18011-1952 I 9027C sep 33.3 P.A. 301.00 mag 11.78 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 18011-1952 (HD 164262) : ALADIN DSS IMAGE @ 18h 01m 04.10s -19° 52' 22.6"
 
 
 
 
WDS 18011-1952 A 2387 AB (HD 164262) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18011-1952 A 2387AB distance=0' 18011-1958 I 620 distance=6' 18012-1942 B 2849 distance=11' 18004-1923 OCC 526 distance=31' 17599-2023 TDT 619 distance=35' 18000-2027 DON 876 distance=39' 18025-1916 BHA 22 distance=42' 17585-2016 DON 875 distance=44' 18033-1919 BRT1512 distance=47' 17576-1953 OCC1021 distance=50' 17575-1957 A 2255 distance=52' 18023-1903 ARA 722 distance=53' 18046-1936 HJ 2817 distance=54' 17577-1927 OCC 525 distance=54' 17579-1921 RST5097 distance=55' 18009-1858 HJ 2815 distance=55' 17582-1916 CHR 66 distance=55' 18039-1913 B 2431 distance=56' 18039-1913 OCC 537Aa,Ab distance=56' 18011-2048 HLD 140 distance=56' 17574-1925 SKF 933 distance=59' 18036-1859 TSN 185 distance=65' 17569-1920 B 2846 distance=68' 17567-2026 DON 871 distance=71' 18047-1903 B 2852 distance=72' 18048-1902 OCC 536 distance=73' 17571-1906 ARA 719 distance=73' 18063-1955 OCC9174 distance=75' 18063-1941 J 1619 distance=75' 18062-2012 J 1618 distance=76' 17568-2036 J 1617AB distance=76' 17568-2036 J 1617AC distance=76' 17569-1903 FEN 25 distance=77' 18055-1906 ARA 727 distance=78' 18070-2005 ARA1134 distance=86' 18068-2021 DON 882 distance=87' 18069-1923 A 2258 distance=89' 18039-1832 ARA 450 distance=90' 17552-2035 DON 869 distance=94' 17575-2113 BRT1511 distance=95' 17546-1924 TDT 567 distance=96' 18061-2057 ARA1133 distance=96' 18067-1859 HJ 592 distance=97' 17590-1820 ARA 449 distance=98' 18055-2109 RST5100 distance=99' 17543-1927 DOO 69 distance=99' 17546-1911 HJ 2812 distance=101' 18077-1913 ARA 729 distance=102' 18081-1925 AOT 68BC distance=104' 18081-1925 ARA 730AB distance=104' 18081-1925 AOT 68AC 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 18011-1952 A 2387 AB 44 1.0 0
Show 18011-1952 I 9027 AC 301 33.3 0
Show 18011-1958 I 620 64 19.4 6
Show 18012-1942 B 2849 351 12.5 11
Show 18004-1923 OCC 526 -1 0.4 31
Show 17599-2023 TDT 619 198 1.5 35
Show 18000-2027 DON 876 15 1.2 39
Show 18025-1916 BHA 22 63 3.8 42
Show 17585-2016 DON 875 325 6.0 44
Show 18033-1919 BRT1512 34 3.8 47
Show 17576-1953 OCC1021 -1 0.0 50
Show 17575-1957 A 2255 302 1.3 52
Show 18023-1903 ARA 722 269 7.2 53
Show 18046-1936 HJ 2817 275 13.4 54
Show 17577-1927 OCC 525 -1 0.3 54
Show 17579-1921 RST5097 183 0.9 55
Show 18009-1858 HJ 2815 104 14.4 55
Show 17582-1916 CHR 66 111 0.4 55
Show 18039-1913 B 2431 285 9.7 56
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 56
Show 18011-2048 HLD 140 263 2.3 56
Show 17574-1925 SKF 933 161 3.8 59
Show 18036-1859 TSN 185 325 0.2 65
Show 17569-1920 B 2846 141 10.9 68
Show 17567-2026 DON 871 310 5.4 71
Show 18047-1903 B 2852 144 4.1 72
Show 18048-1902 OCC 536 -1 0.1 73
Show 17571-1906 ARA 719 150 15.0 73
Show 18063-1955 OCC9174 -1 0.0 75
Show 18063-1941 J 1619 188 6.8 75
Show 18062-2012 J 1618 359 8.9 76
Show 17568-2036 J 1617 AB 104 8.3 76
Show 17568-2036 J 1617 AC 248 10.6 76
Show 17569-1903 FEN 25 14 5.1 77
Show 18055-1906 ARA 727 24 9.9 78
Show 18070-2005 ARA1134 280 11.7 86
Show 18068-2021 DON 882 119 1.8 87
Show 18069-1923 A 2258 134 0.4 89
Show 18039-1832 ARA 450 66 8.0 90
Show 17552-2035 DON 869 127 0.6 94
Show 17575-2113 BRT1511 216 3.7 95
Show 17546-1924 TDT 567 176 1.7 96
Show 18061-2057 ARA1133 325 15.2 96
Show 18067-1859 HJ 592 206 36.6 97
Show 17590-1820 ARA 449 288 14.1 98
Show 18055-2109 RST5100 283 0.7 99
Show 17543-1927 DOO 69 88 11.6 99
Show 17546-1911 HJ 2812 134 12.5 101
Show 18077-1913 ARA 729 343 13.1 102
Show 18081-1925 AOT 68 BC 298 11.9 104
Show 18081-1925 ARA 730 AB 330 12.6 104

 
 
WDS 18011-1952 : COMPONENTS
 
 
  A B
B pa=44.4°
sep=0.97"
 
C pa=301.0°
sep=33.29"
pa=299.4°
sep=33.53"
 
 
18011-1952 A
 
 
Coord arcsec 2000 180104.10-195222.6 Mag 8.95 Spectral class A9V (white) PmRA 3.00
PmDE -31.0 Tycho2 6259-00050-1 HD 164262
Tycho2
Tycho2 6259-00050-1 Pflag P RAmdeg 270.26709974 DEmdeg -19.87295096
PmRA 3.1 PmDE -31.2 E RAmdeg 8 E DEmdeg 11
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.65 EpDEm 1991.44
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.3 BTmag 9.364 E BTmag 0.020 VTmag 8.953
E VTmag 0.016 Prox 10 TYC T HIP
CCDM RAdeg 270.26708056 DEdeg -19.87289222 EpRA 1990 1.87
EpDE 1990 1.88 E RAdeg 8.1 E DEdeg 10.6 Posflg D
Corr 0.0
CCDM
Ccdm 18011-1952 RComp Comp A Note1
Note2 Discov num DRAs -1.92 DDEs -22.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A5 PmNote *
PmRA -3 PmDE -23 Dm number -19 4795 Cat1 BD
Name2 160993 Cat2 SAO HD 164262 M HD
ADS BDS A10968 M ADS BDS N IDS IDS 17551S1952A
HIC
 
 
18011-1952 B
 
 
Coord arcsec 2000 180104.15-195221.9 Mag 10.9 PmRA 3.00 PmDE -31.0
Tycho2 6259-00050-2 Delta magnitude 1.95 Coordinate calculated yes
Tycho2
Tycho2 6259-00050-2 Pflag P RAmdeg 270.26709974 DEmdeg -19.87295096
PmRA 3.1 PmDE -31.2 E RAmdeg 8 E DEmdeg 11
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.65 EpDEm 1991.44
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.3 BTmag 11.702 E BTmag 0.084 VTmag 10.897
E VTmag 0.072 Prox 10 TYC HIP
CCDM RAdeg 270.26728139 DEdeg -19.87269944 EpRA 1990 1.87
EpDE 1990 1.89 E RAdeg 42.2 E DEdeg 58.2 Posflg D
Corr 0.0
CCDM
Ccdm 18011-1952 RComp Comp B Note1
Note2 Discov num A 2387 DRAs DDEs
R dRAs Year 1910 Theta 055 Rho 0.8
Obs 3 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10968 M ADS BDS N IDS IDS 17551S1952B
HIC
 
 
18011-1952 C
 
 
Coord arcsec 2000 180102.08-195205.5 Mag 11.78 PmRA 5.00 PmDE -25.0
Delta magnitude 2.83 Coordinate calculated yes