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Current system
10240+3012
LDS 1239 AC


Nearby doubles
36' : 10217+2955
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SMA 74

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SEI 520AB

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LDS1243

100' : 10271+3143
A 2151

101' : 10238+3153
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SLW 483

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A 2153

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TDS 578

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SLW 463



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

10240+3012 LDS 1239 AC

 
 
10h 24m 02.39s +30° 12' 13.7" P.A. 133.00 sep 102.7 mag 9.22,13.29 Sp G5 dist. 207.47 pc (676.77 l.y.)
 
 
Coord 2000 10240+3012 Discov num LDS1239 Comp AC Coord arcsec 2000 10 24 02.39 +30 12 13.7
Date first 1902 Date last 2015 Obs 10
Pa first 135 Pa last 133.2 P.A. Now (θ) 133.2°
Sep first 90.4 Sep last 102.725 Sep. Now (ρ) 102.725"
Mag pri 9.22 Mag sec 13.29 delta mag (ΔM) 4.07 Spectral class G5 (yellow)
Pri motion ra -116 Sec motion ra -013
Pri motion dec +053 Sec motion dec -003
Notes
rPM=0.919
This double is not physical.
 
 
10240+3012 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 90041 62017 10 24 02 +30 12 14 LDS 1239 AB 2015 15 122 59.6 9.22 11.15 1.93
Show 62017 10 24 02 +30 12 14 LDS 1239 AC 2015 10 133 102.7 9.22 13.29 4.07 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo Minor SAO 62017 HIP 50926 Tycho2 2511-01010-1
Gaia DR2 741833455809698432 HD 90041 BD BD+30 2007 Distance 207.47
Distance ly 676.77
 
 
WDS 10240+3012 LDS 1239 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10240+3012 LDS1239 AC 1999 3 134 101.0 9.22 14.00 G5 D 102402.39+301213.7
10240+3012 LDS1239 AC 2004 5 133 101.4 9.22 14.00 G5 D 102402.39+301213.7
10240+3012 LDS1239 AC 2015 6 133 102.7 9.22 13.29 G5 102402.39+301213.7

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

 
 
WDS 10240+3012 LDS 1239 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10240+3012 LDS 1239 AC : MEASURES
 
 
No records found.

 
 
WDS 10240+3012 : VIRTUAL EYEPIECE
 
 

10240+3012 LDS1239A mag 9.22 Sp G5 10240+3012 LDS1239B sep 53.9 P.A. 126.30 mag 11.15 10240+3012 LDS1239C sep 95.6 P.A. 137.40 mag 13.29 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10240+3012 : ALADIN DSS IMAGE @ 10h 24m 02.39s +30° 12' 13.7"
 
 
 
 
WDS 10240+3012 LDS 1239 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10240+3012 LDS1239AB distance=1' 10240+3012 LDS1239AC distance=1' 10217+2955 LDS1238 distance=36' 10257+2944 TDS7264 distance=36' 10253+3058 CBL 309 distance=49' 10270+2941 STF1432 distance=50' 10280+3029 UC 1934AB distance=55' 10280+3029 RAO 650Aa,Ab distance=55' 10273+3054 TDS7282AB distance=60' 10207+3053 CVR1284 distance=60' 10219+3107 MLB 844AB distance=62' 10219+3107 MLB 844AC distance=62' 10250+3117 HJ 480 distance=67' 10287+2944 SMA 74 distance=67' 10268+2904 KU 99 distance=77' 10299+3025 TDS7300 distance=78' 10293+3103 RAO 249 distance=85' 10302+3050 SEI 520AB distance=88' 10302+3050 CTT 24AC distance=88' 10302+3050 DAM2392BD distance=88' 10311+3014 LDS1243 distance=92' 10271+3143 A 2151 distance=100' 10238+3153 CBL 308 distance=101' 10318+3021 SLW 483 distance=102' 10160+3034 BEW 6 distance=106' 10183+3129 LDS1236 distance=108' 10186+3134 DAM2287 distance=108' 10303+3125 A 2153 distance=109' 10182+3131 DAM2270 distance=109' 10291+2842 CVR1294 distance=112' 10199+2834 TDS 578 distance=112' 10200+2834 SLW 463 distance=112' 10305+3130 CVR 104 distance=115' 10326+2943 COU1126 distance=116' 10196+2831 DAM2315 distance=117' 10330+3033 LDS1246 distance=117' 10331+3027 DAM2420 distance=119' 10150+3041 SKF2379 distance=121' 10285+3158 TDS 591 distance=121' 10299+2835 STTA105 distance=124' 10143+2944 LDS3968 distance=130' 10139+3026 KPP 215 distance=132' 10274+2806 TDS7284 distance=134' 10287+3214 KPP3229 distance=136' 10151+3125 CRC 59 distance=137' 10202+2806 HJ 479 distance=138' 10332+2903 SKF1844 distance=139' 10142+3118 CBL 305 distance=143' 10258+3237 ES 432 distance=148' 10353+3041 TDS7356 distance=149' 10355+3030 TDS7358 distance=150' 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 10240+3012 LDS1239 AB 122 59.6 1
Show 10240+3012 LDS1239 AC 133 102.7 1
Show 10217+2955 LDS1238 15 6.9 36
Show 10257+2944 TDS7264 134 0.7 36
Show 10253+3058 CBL 309 113 35.1 49
Show 10270+2941 STF1432 121 28.6 50
Show 10280+3029 UC 1934 AB 160 14.7 55
Show 10280+3029 RAO 650 Aa,Ab 314 0.4 55
Show 10273+3054 TDS7282 AB 158 1.6 60
Show 10207+3053 CVR1284 187 4.0 60
Show 10219+3107 MLB 844 AB 195 2.8 62
Show 10219+3107 MLB 844 AC 259 18.7 62
Show 10250+3117 HJ 480 71 14.8 67
Show 10287+2944 SMA 74 212 6.9 67
Show 10268+2904 KU 99 318 22.0 77
Show 10299+3025 TDS7300 108 0.5 78
Show 10293+3103 RAO 249 346 0.8 85
Show 10302+3050 SEI 520 AB 1 7.6 88
Show 10302+3050 CTT 24 AC 351 59.1 88
Show 10302+3050 DAM2392 BD 340 13.6 88
Show 10311+3014 LDS1243 274 8.9 92
Show 10271+3143 A 2151 75 1.2 100
Show 10238+3153 CBL 308 39 39.3 101
Show 10318+3021 SLW 483 225 65.7 102
Show 10160+3034 BEW 6 20 11.0 106
Show 10183+3129 LDS1236 255 2.3 108
Show 10186+3134 DAM2287 219 5.6 108
Show 10303+3125 A 2153 193 3.1 109
Show 10182+3131 DAM2270 41 10.0 109
Show 10291+2842 CVR1294 348 4.3 112
Show 10199+2834 TDS 578 23 1.2 112
Show 10200+2834 SLW 463 238 24.4 112
Show 10305+3130 CVR 104 255 17.3 115
Show 10326+2943 COU1126 194 0.4 116
Show 10196+2831 DAM2315 334 1.7 117
Show 10330+3033 LDS1246 112 6.0 117
Show 10331+3027 DAM2420 16 3.4 119
Show 10150+3041 SKF2379 27 2.0 121
Show 10285+3158 TDS 591 309 0.8 121
Show 10299+2835 STTA105 226 134.6 124
Show 10143+2944 LDS3968 150 15.1 130
Show 10139+3026 KPP 215 64 3.9 132
Show 10274+2806 TDS7284 263 0.6 134
Show 10287+3214 KPP3229 44 2.0 136
Show 10151+3125 CRC 59 306 1.8 137
Show 10202+2806 HJ 479 201 32.6 138
Show 10332+2903 SKF1844 345 31.2 139
Show 10142+3118 CBL 305 262 43.0 143
Show 10258+3237 ES 432 163 2.9 148
Show 10353+3041 TDS7356 246 0.5 149
Show 10355+3030 TDS7358 100 1.4 150

 
 
WDS 10240+3012 : COMPONENTS
 
 
  A B
B pa=126.3°
sep=53.91"
 
C pa=137.4°
sep=95.57"
pa=151.0°
sep=43.90"
 
 
10240+3012 A
 
 
Name HD 90041 Coord arcsec 2000 102402.39+301213.7 Mag 9.22 Spectral class G5 (yellow)
PmRA -116.00 PmDE 53.0 SAO 62017 HIP 50926
Tycho2 2511-01010-1 HD 90041 BD BD+30 2007
Tycho2
Tycho2 2511-01010-1 Pflag RAmdeg 156.00996538 DEmdeg 30.20381204
PmRA -116.4 PmDE 53.0 E RAmdeg 10 E DEmdeg 11
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.57 EpDEm 1990.20
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 9.842 E BTmag 0.022 VTmag 9.215
E VTmag 0.016 Prox 594 TYC T HIP 50926
CCDM RAdeg 156.01028083 DEdeg 30.20368694 EpRA 1990 1.58
EpDE 1990 1.46 E RAdeg 9.8 E DEdeg 10.8 Posflg
Corr 0.4
SAO
SAO 62017 DelFlag RA1950 PmRA1950 -0.0084
DE1950 PmDE1950 0.062 Vmag 8.4 SpType G5
Double code Source 6 CatNum 1052 DM BD+30 2007
DMcomp BDsup HD 90041 M HD 0
GC RA1950rad 2.71056862 DE1950rad 0.53157282 PmRA2000 -0.0083
PmDE2000 0.067
Hipparcos
Catalog H HIP 50926 Proxy RAhms 10 24 02.47
DEdms +30 12 13.2 Vmag 9.19 VarFlag R Vmag H
RAdeg 156.01 DEdeg 30.2037 AstroRef Plx 4.75
CCDM 10241+3012 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 90041 BD BD+30 2007
CD CP Dm number +30 2007 VIred 0.55
SpType G5 R SpType Coord arcsec 2000 102402.47+301213.2
Hipparcos 2
HIP 50926 Sn 5 So 0 Nc 1
RArad 2.7228932265 DErad 0.5271536581 Plx 4.82 PmRA -113.19
PmDE 52.28 E RArad 0.82 E DErad 0.6 E Plx 1.05
E pmRA 0.93 E pmDE 0.69 Hpmag 9.3126 E Hpmag 0.0021
SHp 0.022 VA 0 BV 0.545 E BV 0.023
VI 0.62
 
 
10240+3012 B
 
 
Coord arcsec 2000 102405.74+301141.8 Mag 11.15 PmRA -116.00 PmDE 54.0
Tycho2 2511-00373-1 Calc delta mag 1.93 Calc coord yes
Tycho2
Tycho2 2511-00373-1 Pflag RAmdeg 156.02609336 DEmdeg 30.19496092
PmRA -115.3 PmDE 56.0 E RAmdeg 32 E DEmdeg 41
E pmRA 2.4 E pmDE 2.4 EpRAm 1986.17 EpDEm 1986.51
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.4 Q pmRA 1.0
Q pmDE 0.5 BTmag 11.948 E BTmag 0.092 VTmag 11.154
E VTmag 0.072 Prox 594 TYC T HIP
CCDM RAdeg 156.02639611 DEdeg 30.19482556 EpRA 1990 1.54
EpDE 1990 1.45 E RAdeg 44.7 E DEdeg 50.3 Posflg
Corr 0.4
 
 
10240+3012 C
 
 
Coord arcsec 2000 102407.38+301103.4 Mag 13.29 PmRA -13.00 PmDE -3.0
Calc delta mag 4.07 Calc coord yes