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Current system
10237-1955
HLD 105 AB
HD 90109


Nearby doubles
22' : 10239-1934
GWP1361

23' : 10253-1956
UC 1926

29' : 10224-1935
ARA 668

36' : 10242-2029
ARA 669

46' : 10211-2022
LDS3980

60' : 10209-1911
GWP1350

62' : 10216-2049
DAM2332

65' : 10218-2054
DAM2334

68' : 10213-2053
DON 407

75' : 10290-1952
GWP1385

79' : 10289-1927
ARA 411

83' : 10295-2007
UC 1940

85' : 10183-2029
LDS3975

93' : 10254-1826
GWP1369

96' : 10291-2054
ARA1086

100' : 10184-1849
LDS3976

100' : 10299-2045
RST2693

101' : 10199-2121
HLD 102

102' : 10207-2127
ARA1085

103' : 10200-1828
UC 1916

106' : 10194-1830
DAM2267

107' : 10166-2029
B 788

108' : 10192-2122
DAM2309

109' : 10168-2040
HLD 101

114' : 10269-1811
TDS7277

115' : 10157-1951
ARA 666AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

10237-1955 HLD 105 AB (HD 90109)

 
 
10h 23m 44.68s -19° 55' 12.9" P.A. 103.00 sep 0.9 mag 9.69,10.40 Sp G3V
 
 
Coord 2000 10237-1955 Discov num HLD 105 Comp AB Coord arcsec 2000 10 23 44.68 -19 55 12.9
Date first 1882 Date last 1991 Obs 11
Pa first 120 Pa last 103.4 P.A. Now (θ) 103.4°
Sep first 1.0 Sep last 0.929 Sep. Now (ρ) 0.929"
Mag pri 9.69 Mag sec 10.40 delta mag (ΔM) 0.71 Spectral class G3V (yellow)
Pri motion ra +011 Sec motion ra +011
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
10237-1955 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 90109 10 23 45 -19 55 13 HLD 105 AB 1991 11 103 0.9 9.69 10.40 0.71 <===
Show 10 23 45 -19 55 13 HLD 105 AC 2016 4 288 6.3 9.69 14.40 4.71
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 90109 Constellation Hydra Tycho2 6068-00240-1 Gaia DR2 5668466363742952576
HD 90109
 
 
WDS 10237-1955 HLD 105 AB (HD 90109) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HLD Holden, E.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
10237-1955 HLD 105 AB 1991 11 103 0.9 9.69 10.40 G3V -19 2996 102344.68-195512.9

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

 
 
WDS 10237-1955 HLD 105 AB (HD 90109) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10237-1955 HLD 105 AB (HD 90109) : MEASURES
 
 
No records found.

 
 
WDS 10237-1955 (HD 90109) : VIRTUAL EYEPIECE
 
 

10237-1955 HLD 105A mag 9.69 Sp G3V 10237-1955 HLD 105B sep 0.9 P.A. 103.40 mag 10.4 10237-1955 HLD 105C sep 6.3 P.A. 288.40 mag 14.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10237-1955 (HD 90109) : ALADIN DSS IMAGE @ 10h 23m 44.68s -19° 55' 12.9"
 
 
 
 
WDS 10237-1955 HLD 105 AB (HD 90109) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10237-1955 HLD 105AB distance=0' 10239-1934 GWP1361 distance=22' 10253-1956 UC 1926 distance=23' 10224-1935 ARA 668 distance=29' 10242-2029 ARA 669 distance=36' 10211-2022 LDS3980 distance=46' 10209-1911 GWP1350 distance=60' 10216-2049 DAM2332 distance=62' 10218-2054 DAM2334 distance=65' 10213-2053 DON 407 distance=68' 10290-1952 GWP1385 distance=75' 10289-1927 ARA 411 distance=79' 10295-2007 UC 1940 distance=83' 10183-2029 LDS3975 distance=85' 10254-1826 GWP1369 distance=93' 10291-2054 ARA1086 distance=96' 10184-1849 LDS3976 distance=100' 10299-2045 RST2693 distance=100' 10199-2121 HLD 102 distance=101' 10207-2127 ARA1085 distance=102' 10200-1828 UC 1916 distance=103' 10194-1830 DAM2267 distance=106' 10166-2029 B 788 distance=107' 10192-2122 DAM2309 distance=108' 10168-2040 HLD 101 distance=109' 10269-1811 TDS7277 distance=114' 10157-1951 ARA 666BC distance=115' 10157-1951 ARA 666AB distance=115' 10157-1951 ARA 666AC distance=115' 10166-2054 SHN 132 distance=116' 10187-1823 GWP1339 distance=118' 10286-2132 I 855 distance=119' 10320-2021 B 2248 distance=120' 10185-1811 GWP1338 distance=128' 10271-1756 GWP1375 distance=128' 10146-2028 ARA 665 distance=135' 10211-1744 TOK 890 distance=137' 10328-2050 ARA1087 distance=140' 10336-1955 RST2695 distance=140' 10338-1951 DAM2426 distance=142' 10339-1954 DAM2428 distance=143' 10212-1736 TOK 839 distance=145' 10157-1825 HLD 100 distance=145' 10310-2138 DON 414AB distance=146' 10310-2138 DON 414AC distance=146' 10155-2130 ARA1472 distance=150' 10323-1827 GWP1395 distance=150' 10266-1728 GWP1373 distance=153' 10297-2203 UC 1941 distance=153' 10236-1721 GWP1359AB distance=155' 10236-1721 UC 1922AC distance=155' 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 10237-1955 HLD 105 AB 103 0.9 0
Show 10237-1955 HLD 105 AC 288 6.3 0
Show 10239-1934 GWP1361 68 69.8 22
Show 10253-1956 UC 1926 324 38.4 23
Show 10224-1935 ARA 668 87 12.3 29
Show 10242-2029 ARA 669 150 13.5 36
Show 10211-2022 LDS3980 287 10.7 46
Show 10209-1911 GWP1350 87 26.1 60
Show 10216-2049 DAM2332 216 1.3 62
Show 10218-2054 DAM2334 96 2.8 65
Show 10213-2053 DON 407 82 3.9 68
Show 10290-1952 GWP1385 303 30.1 75
Show 10289-1927 ARA 411 329 12.7 79
Show 10295-2007 UC 1940 19 5.9 83
Show 10183-2029 LDS3975 309 31.5 85
Show 10254-1826 GWP1369 247 21.2 93
Show 10291-2054 ARA1086 108 14.9 96
Show 10184-1849 LDS3976 276 53.8 100
Show 10299-2045 RST2693 27 1.7 100
Show 10199-2121 HLD 102 171 1.6 101
Show 10207-2127 ARA1085 326 12.3 102
Show 10200-1828 UC 1916 301 6.6 103
Show 10194-1830 DAM2267 57 1.6 106
Show 10166-2029 B 788 234 3.7 107
Show 10192-2122 DAM2309 190 2.5 108
Show 10168-2040 HLD 101 110 1.4 109
Show 10269-1811 TDS7277 223 0.7 114
Show 10157-1951 ARA 666 BC 194 30.2 115
Show 10157-1951 ARA 666 AB 1 20.7 115
Show 10157-1951 ARA 666 AC 217 11.2 115
Show 10166-2054 SHN 132 -1 0.1 116
Show 10187-1823 GWP1339 17 38.7 118
Show 10286-2132 I 855 51 0.8 119
Show 10320-2021 B 2248 61 6.8 120
Show 10185-1811 GWP1338 320 20.5 128
Show 10271-1756 GWP1375 76 31.5 128
Show 10146-2028 ARA 665 61 11.4 135
Show 10211-1744 TOK 890 252 0.6 137
Show 10328-2050 ARA1087 144 9.9 140
Show 10336-1955 RST2695 137 2.7 140
Show 10338-1951 DAM2426 0 17.4 142
Show 10339-1954 DAM2428 161 37.3 143
Show 10212-1736 TOK 839 110 1.1 145
Show 10157-1825 HLD 100 206 1.8 145
Show 10310-2138 DON 414 AB 317 0.6 146
Show 10310-2138 DON 414 AC 190 5.7 146
Show 10155-2130 ARA1472 332 6.7 150
Show 10323-1827 GWP1395 268 106.0 150
Show 10266-1728 GWP1373 251 97.5 153
Show 10297-2203 UC 1941 216 37.4 153
Show 10236-1721 GWP1359 AB 294 34.0 155

 
 
WDS 10237-1955 : COMPONENTS
 
 
  A B
B pa=103.4°
sep=0.93"
 
C pa=288.4°
sep=6.26"
pa=287.8°
sep=7.18"
 
 
10237-1955 A
 
 
Name HD 90109 Coord arcsec 2000 102344.68-195512.9 Mag 9.69 Spectral class G3V (yellow)
PmRA 11.00 PmDE -13.0 Tycho2 6068-00240-1 HD 90109
Tycho2
Tycho2 6068-00240-1 Pflag P RAmdeg 155.93620704 DEmdeg -19.92026218
PmRA 11.3 PmDE -13.1 E RAmdeg 16 E DEmdeg 19
E pmRA 3.2 E pmDE 3.3 EpRAm 1991.39 EpDEm 1991.10
Num 3 Q RAmdeg 1.5 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.7 BTmag 10.439 E BTmag 0.035 VTmag 9.687
E VTmag 0.026 Prox 9 TYC T HIP
CCDM RAdeg 155.93610611 DEdeg -19.92021500 EpRA 1990 1.72
EpDE 1990 1.55 E RAdeg 16.2 E DEdeg 19.2 Posflg D
Corr 0.1
CCDM
Ccdm 10237-1955 RComp Comp A Note1
Note2 Discov num DRAs 2.66 DDEs -12.8
R dRAs 66 Year Theta Rho
Obs 3 Vmag 9.5 Sp G5 PmNote
PmRA PmDE Dm number -19 2996 Cat1 BD
Name2 Cat2 HD 90109 M HD
ADS BDS A 7753 M ADS BDS N IDS IDS 10190S1925A
HIC
 
 
10237-1955 B
 
 
Coord arcsec 2000 102344.74-195513.1 Mag 10.4 PmRA 11.00 PmDE -13.0
Tycho2 6068-00240-2 Delta magnitude 0.71 Coordinate calculated yes
Tycho2
Tycho2 6068-00240-2 Pflag P RAmdeg 155.93620704 DEmdeg -19.92026218
PmRA 11.3 PmDE -13.1 E RAmdeg 16 E DEmdeg 19
E pmRA 3.2 E pmDE 3.3 EpRAm 1991.39 EpDEm 1991.10
Num 3 Q RAmdeg 1.5 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.7 BTmag 11.089 E BTmag 0.055 VTmag 10.400
E VTmag 0.044 Prox 9 TYC T HIP
CCDM RAdeg 155.93637306 DEdeg -19.92027472 EpRA 1990 1.72
EpDE 1990 1.55 E RAdeg 28.3 E DEdeg 33.6 Posflg D
Corr 0.1
CCDM
Ccdm 10237-1955 RComp Comp B Note1
Note2 Discov num HLD 105 DRAs DDEs
R dRAs Year 1959 Theta 109 Rho 0.9
Obs 7 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7753 M ADS BDS N IDS IDS 10190S1925B
HIC
 
 
10237-1955 C
 
 
Coord arcsec 2000 102344.26-195510.9 Mag 14.4 Delta magnitude 4.71 Coordinate calculated yes
CCDM
Ccdm 10237-1955 RComp Comp C Note1
Note2 Discov num HLD 105 DRAs DDEs
R dRAs Year 1927 Theta 289 Rho 6.5
Obs 1 Vmag 14.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7753 M ADS BDS N IDS IDS 10190S1925C
HIC