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Current system
11360+7831
LDS 1737 AB
HD 100639


Nearby doubles
22' : 11313+7814
LDS1734

36' : 11254+7817
LDS 920

38' : 11484+7836
LDS1740

38' : 11457+7856
LDS1738

41' : 11484+7816
LDS1741

42' : 11412+7753
MLR 528

49' : 11200+7823
MLR 527

53' : 11520+7856
HJ 1200

57' : 11434+7739
LOC 341

62' : 11484+7921
LOC 343

65' : 11423+7729
TDS8002

70' : 11407+7939
LOC 342

74' : 11404+7943
LOC 345

76' : 11493+7728
LOC 340

81' : 11228+7722
TOK 279

81' : 11536+7935
LOC 344

95' : 11287+8003
LOC 333

96' : 11475+7702
LDS1739

114' : 11360+7634
LDS1736

118' : 11278+7636
LOC 331

120' : 11508+8024
LOC 348

124' : 11171+7643
MLR 325

133' : 11241+7623
HJ 1187AB

134' : 11228+7625
HJ 1186

135' : 11237+8041
LOC 334

136' : 11249+7620
HJ 1188



Selections
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Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

11360+7831 LDS 1737 AB (HD 100639)

 
 
11h 36m 01.59s +78° 30' 56.8" P.A. 355.00 sep 116.8 mag 9.44,12.14 Sp G0
 
 
Coord 2000 11360+7831 Discov num LDS1737 Comp AB Coord arcsec 2000 11 36 01.59 +78 30 56.8
Date first 1897 Date last 2015 Obs 12
Pa first 349 Pa last 355 P.A. Now (θ) 355°
Sep first 121.4 Sep last 116.76 Sep. Now (ρ) 116.76"
Mag pri 9.44 Mag sec 12.14 delta mag (ΔM) 2.7 Spectral class G0 (yellow)
Pri motion ra -105 Sec motion ra -006
Pri motion dec +013 Sec motion dec -003
Notes
rPM=0.948
This double is not physical.
 
 
11360+7831 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 100639 7385 11 36 02 +78 30 57 LDS 1737 AB 2015 12 355 116.8 9.44 12.14 2.70 <===
Show 7385 11 36 02 +78 30 57 NVL 2 AC 2015 16 81 122.6 9.44 12.09 2.65
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 100639 Constellation Draco SAO 7385 Tycho2 4553-00060-1
HD 100639
 
 
WDS 11360+7831 LDS 1737 AB (HD 100639) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
Nvl2009 C j Novalbos, I. 2009OED.....3...59N
Nvl2009 El Observador de Estrellas Dobles, Issue #3, 59, 2009
Nvl2010 Ma w Novalbos, I. 2010OED.....4...22N
Nvl2010 +E2 El Observador de Estrellas Dobles, Issue #4, 22, 2010
Nvl2010 +Pa
Nvl2010b C j Novalbos, I. 2010OED.....5...19N
Nvl2010b El Observador de Estrellas Dobles, Issue #5, 19, 2010
Nvl2011 C - Novalbos, I. 2011OED.....6...66N
Nvl2011 +E2 El Observador de Estrellas Dobles, Issue #6, 66, 2011
Nvl2011 +Pa
Nvl2011b C j Novalbos, I. ...................
Nvl2011b Astronomia, II Epoca No. 144, 64-65, 2011
Nvl2011c C - Novalbos Cantador, I. 2011OED.....7...40N
Nvl2011c +E2 El Observador de Estrellas Dobles, Issue #7, 40, 2011
Nvl2011c +Pa
Nvl2012a Pa j Novalbos, I. ...................
Nvl2012a GWP Catalog, part I (equatorial zone), OAG CPMWP Survey (2012)
Nvl2012b Pp j Novalbos Cantador, I. 2012OED.....9..105N
Nvl2012b +E+ El Observador de Estrellas Dobles, Issue #9, 105, 2012
Nvl2016 Pa j Novalbos, I. ...................
Nvl2016 GWP Catalog, part II (equatorial zone), OAG CPMWP Survey (2016)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11360+7831 LDS1737 AB 1999 6 354 117.1 9.44 12.50 G0 D 113601.59+783056.8
11360+7831 LDS1737 AB 2004 7 355 117.1 9.44 12.50 G0 D 113601.59+783056.8
11360+7831 LDS1737 AB 2015 8 355 116.8 9.44 12.14 G0 113601.59+783056.8

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

 
 
WDS 11360+7831 LDS 1737 AB (HD 100639) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11360+7831 LDS 1737 AB (HD 100639) : MEASURES
 
 
No records found.

 
 
WDS 11360+7831 (HD 100639) : VIRTUAL EYEPIECE
 
 

11360+7831 LDS1737A mag 9.44 Sp G0 11360+7831 LDS1737B sep 116.3 P.A. 359.00 mag 12.14 11360+7831 NVL 2C sep 31.1 P.A. 50.90 mag 12.09 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 11360+7831 (HD 100639) : ALADIN DSS IMAGE @ 11h 36m 01.59s +78° 30' 56.8"
 
 
 
 
WDS 11360+7831 LDS 1737 AB (HD 100639) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11360+7831 LDS1737AB distance=0' 11313+7814 LDS1734 distance=22' 11254+7817 LDS 920 distance=36' 11484+7836 LDS1740 distance=38' 11436+7902 WIS 190AC distance=38' 11457+7856 LDS1738 distance=38' 11484+7816 LDS1741 distance=41' 11412+7753 MLR 528 distance=42' 11200+7823 MLR 527 distance=49' 11520+7856 HJ 1200 distance=53' 11434+7739 LOC 341 distance=57' 11484+7921 LOC 343 distance=62' 11423+7729 TDS8002 distance=65' 11407+7939 LOC 342 distance=70' 11404+7943 LOC 345 distance=74' 11493+7728 LOC 340 distance=76' 11228+7722 TOK 279 distance=81' 11536+7935 LOC 344 distance=81' 11287+8003 LOC 333 distance=95' 11475+7702 LDS1739 distance=96' 11360+7634 LDS1736 distance=114' 11278+7636 LOC 331 distance=118' 11508+8024 LOC 348 distance=120' 11171+7643 MLR 325 distance=124' 11241+7623 HJ 1187AB distance=133' 11241+7623 WNO 41AC distance=133' 11241+7623 WNO 41AD distance=133' 11241+7623 WNO 41AE distance=133' 11228+7625 HJ 1186 distance=134' 11237+8041 LOC 334 distance=135' 11249+7620 HJ 1188 distance=136' 11195+8053 LOC 325 distance=149' 11303+8102 STF1539 distance=153' 11323+7552 TDS7911 distance=160' 11204+7543 LDS1730 distance=177' 11377+8129 TDS7964 distance=178' 11360+7533 FMR 222AB distance=179' 11360+7533 KPP3242Aa,Ab distance=179' 11474+8141 TDS 645 distance=193' 11544+7527 SKF1220 distance=195' 11386+7511 MLR 425 distance=201' 11378+7508 TDS7966 distance=204' 11541+8156 LOC 347CD distance=211' 11541+8156 TDS8102AB distance=211' 11541+8156 TDS8102AC distance=211' 11541+8156 TDS8102AD distance=211' 11253+7433 SLW 599 distance=241' 11346+8238 LOC 335 distance=248' 11279+7411 CLO 6 distance=262' 11533+8311 LDS1743 distance=283' 11537+7345 BU 794AB distance=293' 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 11360+7831 LDS1737 AB 355 116.8
Show 11360+7831 NVL 2 AC 81 122.6
Show 11313+7814 LDS1734 208 2.8 22
Show 11254+7817 LDS 920 328 72.9 36
Show 11484+7836 LDS1740 217 44.9 38
Show 11436+7902 WIS 190 AC 341 660.3 38
Show 11457+7856 LDS1738 259 104.4 38
Show 11484+7816 LDS1741 254 26.4 41
Show 11412+7753 MLR 528 239 5.9 42
Show 11200+7823 MLR 527 236 3.2 49
Show 11520+7856 HJ 1200 90 10.5 53
Show 11434+7739 LOC 341 271 4.0 57
Show 11484+7921 LOC 343 100 5.2 62
Show 11423+7729 TDS8002 274 1.0 65
Show 11407+7939 LOC 342 297 3.1 70
Show 11404+7943 LOC 345 27 1.5 74
Show 11493+7728 LOC 340 141 1.1 76
Show 11228+7722 TOK 279 275 299.4 81
Show 11536+7935 LOC 344 129 26.1 81
Show 11287+8003 LOC 333 256 10.4 95
Show 11475+7702 LDS1739 282 60.8 96
Show 11360+7634 LDS1736 177 1.8 114
Show 11278+7636 LOC 331 354 6.4 118
Show 11508+8024 LOC 348 259 1.5 120
Show 11171+7643 MLR 325 314 0.1 124
Show 11241+7623 HJ 1187 AB 179 19.2 133
Show 11241+7623 WNO 41 AC 145 30.9 133
Show 11241+7623 WNO 41 AD 9 28.4 133
Show 11241+7623 WNO 41 AE 218 39.9 133
Show 11228+7625 HJ 1186 285 14.7 134
Show 11237+8041 LOC 334 310 59.6 135
Show 11249+7620 HJ 1188 34 20.7 136
Show 11195+8053 LOC 325 68 1.6 149
Show 11303+8102 STF1539 313 19.4 153
Show 11323+7552 TDS7911 131 1.0 160
Show 11204+7543 LDS1730 270 5.4 177
Show 11377+8129 TDS7964 86 2.3 178
Show 11360+7533 FMR 222 AB 90 399.0 179
Show 11360+7533 KPP3242 Aa,Ab 131 3.0 179
Show 11474+8141 TDS 645 267 1.5 193
Show 11544+7527 SKF1220 63 73.9 195
Show 11386+7511 MLR 425 247 1.9 201
Show 11378+7508 TDS7966 356 0.7 204
Show 11541+8156 LOC 347 CD 156 1.1 211
Show 11541+8156 TDS8102 AB 24 0.4 211
Show 11541+8156 TDS8102 AC 197 13.1 211
Show 11541+8156 TDS8102 AD 194 14.0 211
Show 11253+7433 SLW 599 130 11.8 241
Show 11346+8238 LOC 335 181 3.2 248
Show 11279+7411 CLO 6 80 0.2 262
Show 11533+8311 LDS1743 85 54.1 283

 
 
WDS 11360+7831 : COMPONENTS
 
 
  A B
B pa=359.0°
sep=116.33"
 
C pa=50.9°
sep=31.05"
pa=164.9°
sep=100.17"
 
 
11360+7831 A
 
 
Name HD 100639 Coord arcsec 2000 113601.59+783056.8 Mag 9.44 Spectral class G0 (yellow)
PmRA -105.00 PmDE 13.0 SAO 7385 Tycho2 4553-00060-1
HD 100639 DM BD+79 369
Tycho2
Tycho2 4553-00060-1 Pflag RAmdeg 174.00661776 DEmdeg 78.51577920
PmRA -104.7 PmDE 14.6 E RAmdeg 12 E DEmdeg 12
E pmRA 1.3 E pmDE 1.4 EpRAm 1990.27 EpDEm 1990.38
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.5 BTmag 9.969 E BTmag 0.023 VTmag 9.441
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 174.00784083 DEdeg 78.51574694 EpRA 1990 1.63
EpDE 1990 1.74 E RAdeg 12.0 E DEdeg 11.7 Posflg
Corr -0.1
SAO
SAO 7385 DelFlag RA1950 PmRA1950 -0.0327
DE1950 PmDE1950 -0.034 Vmag 9 SpType G0
Double code Source 1 CatNum 300 DM BD+79 369
DMcomp BDsup HD 100639 M HD 0
GC RA1950rad 3.02325101 DE1950rad 1.3751772 PmRA2000 -0.0318
PmDE2000 -0.03
 
 
11360+7831 B
 
 
Coord arcsec 2000 113600.91+783253.1 Mag 12.14 PmRA -6.00 PmDE -3.0
Calc delta mag 2.7 Calc coord yes
 
 
11360+7831 C
 
 
Coord arcsec 2000 113609.66+783116.4 Mag 12.09 PmRA -106.00 PmDE 13.0
Calc delta mag 2.65 Calc coord yes