stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
12387-0422
S 639 AB
HD 109944


Nearby doubles
23' : 12386-0400
SHN 165

23' : 12400-0434
UC 2382

34' : 12409-0432
SLW 755

41' : 12414-0418
UC 2386

52' : 12375-0334
TOK 150

58' : 12387-0520
STF1665

67' : 12430-0403
LLO 9

69' : 12430-0447
SLW 764

75' : 12349-0509
RST4502

78' : 12394-0306
SLW 750

79' : 12438-0441
UC 2392

79' : 12437-0448
HJ 215

86' : 12407-0302
BAL 220

94' : 12357-0301
CBL 145

97' : 12414-0551
LDS4247

99' : 12322-0409
KPP2747AB

103' : 12453-0353
STF1677

104' : 12352-0254
CVR1450

105' : 12394-0238
OSW 37

109' : 12379-0610
GWP1837

113' : 12317-0343
HDS1761

126' : 12404-0625
GWP1843

127' : 12311-0519
A 3084

131' : 12423-0224
SLW 761

138' : 12440-0230
CVR1462

139' : 12329-0235
SLW 734



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12387-0422 S 639 AB (HD 109944)

 
 
12h 38m 43.36s -04° 22' 24.8" P.A. 109.00 sep 56.4 mag 6.82,9.99 Sp M0III dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000 12387-0422 Discov num S   639 Comp AB Coord arcsec 2000 12 38 43.36 -04 22 24.8
Date first 1783 Date last 2018 Obs 31
Pa first 97 Pa last 109.2 P.A. Now (θ) 109.2°
Sep first 46.7 Sep last 56.4 Sep. Now (ρ) 56.4"
Mag pri 6.82 Mag sec 9.99 delta mag (ΔM) 3.17 Spectral class M0III (red)
Pri motion ra -048 Sec motion ra -017
Pri motion dec -002 Sec motion dec -037
Notes N (See Notes)
rPM=0.973
This double is not physical.
 
 
12387-0422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 109944 138885 12 38 43 -04 22 25 S 639 AB 2018 31 109 56.4 6.82 9.99 3.17 <===
Show 138885 12 38 43 -04 22 25 GIR 3 AC 2018 11 359 165.2 6.82 10.22 3.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109944 Constellation Virgo SAO 138885 HIP 61685
Tycho2 4951-00492-1 Gaia DR2 3680452106958098560 HD 109944 GC 17218
BD BD-03 3329 Distance 250.63 Distance ly 817.56
 
 
WDS 12387-0422 S 639 AB (HD 109944) : NOTES
 
 
discov_num notes refcode
S 639 B is BD-03@3330.
AB: H 5 129. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 GIR Girard, P.M.
4 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12387-0422 S 639 AB 2002 25 110 56.0 6.82 9.99 M0III N D 123843.36-042224.8
12387-0422 S 639 AB 2011 26 110 57.1 6.82 9.99 M0III N D 123843.36-042224.8
12387-0422 S 639 AB 2012 28 109 56.8 6.82 9.99 M0III N D 123843.36-042224.8
12387-0422 S 639 AB 2015 30 110 56.7 6.82 9.99 M0III N 123843.36-042224.8
12387-0422 S 639 AB 2018 31 109 56.4 6.82 9.99 M0III N 123843.36-042224.8

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

 
 
WDS 12387-0422 S 639 AB (HD 109944) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12387-0422 S 639 AB (HD 109944) : MEASURES
 
 
No records found.

 
 
WDS 12387-0422 (HD 109944) : VIRTUAL EYEPIECE
 
 

12387-0422 S 639A mag 6.82 Sp M0III 12387-0422 S 639B sep 56.2 P.A. 109.30 mag 9.99 12387-0422 GIR 3C sep 165.2 P.A. 359.20 mag 10.22 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 12387-0422 (HD 109944) : ALADIN DSS IMAGE @ 12h 38m 43.36s -04° 22' 24.8"
 
 
 
 
WDS 12387-0422 S 639 AB (HD 109944) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12387-0422 S 639AB distance=0' 12386-0400 SHN 165 distance=23' 12400-0434 UC 2382 distance=23' 12409-0432 SLW 755 distance=34' 12414-0418 UC 2386 distance=41' 12375-0334 TOK 150 distance=52' 12387-0520 STF1665 distance=58' 12430-0403 LLO 9 distance=67' 12430-0447 SLW 764 distance=69' 12349-0509 RST4502 distance=75' 12394-0306 SLW 750 distance=78' 12438-0441 UC 2392 distance=79' 12437-0448 HJ 215 distance=79' 12407-0302 BAL 220 distance=86' 12357-0301 CBL 145 distance=94' 12414-0551 LDS4247 distance=97' 12322-0409 KPP2747BC distance=99' 12322-0409 KPP2747AB distance=99' 12322-0409 KPP2747AC distance=99' 12453-0353 STF1677 distance=103' 12352-0254 CVR1450 distance=104' 12394-0238 OSW 37 distance=105' 12379-0610 GWP1837 distance=109' 12317-0343 HDS1761 distance=113' 12404-0625 GWP1843 distance=126' 12311-0519 A 3084 distance=127' 12423-0224 SLW 761 distance=131' 12440-0230 CVR1462 distance=138' 12329-0235 SLW 734 distance=139' 12429-0215 STF1673AB distance=143' 12429-0215 LDS2888AC distance=143' 12292-0421 KPP1951 distance=143' 12297-0519 VKI 18 distance=147' 12298-0527 B 2737 distance=147' 12297-0320 TOK 27 distance=149' 12428-0639 SKF1739 distance=150' 12330-0217 HJ 1217 distance=152' 12368-0651 UC 2371 distance=152' 12414-0156 BAL 544 distance=153' 12420-0156 BAL 545 distance=155' 12318-0617 GWP1823 distance=155' 12449-0629 CVR1464 distance=157' 12492-0450 LDS5759 distance=160' 12417-0148 OSW 36 distance=161' 12348-0153 LDS2884 distance=161' 12455-0218 BAL 546 distance=162' 12300-0601 RST4500AB distance=164' 12300-0601 DAM 578AC distance=164' 12328-0158 CVR 656 distance=170' 12391-0133 HJ 1220 distance=170' 12476-0618 RST4966 distance=176' 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 12387-0422 S 639 AB 109 56.4
Show 12387-0422 GIR 3 AC 359 165.2
Show 12386-0400 SHN 165 193 0.8 23
Show 12400-0434 UC 2382 205 22.1 23
Show 12409-0432 SLW 755 16 37.8 34
Show 12414-0418 UC 2386 142 64.3 41
Show 12375-0334 TOK 150 284 5.7 52
Show 12387-0520 STF1665 102 8.6 58
Show 12430-0403 LLO 9 3 1.3 67
Show 12430-0447 SLW 764 327 12.8 69
Show 12349-0509 RST4502 215 0.1 75
Show 12394-0306 SLW 750 188 94.1 78
Show 12438-0441 UC 2392 178 8.4 79
Show 12437-0448 HJ 215 295 12.5 79
Show 12407-0302 BAL 220 41 7.0 86
Show 12357-0301 CBL 145 280 60.7 94
Show 12414-0551 LDS4247 69 42.7 97
Show 12322-0409 KPP2747 BC 178 2.4 99
Show 12322-0409 KPP2747 AB 114 7.1 99
Show 12322-0409 KPP2747 AC 122 7.8 99
Show 12453-0353 STF1677 349 16.1 103
Show 12352-0254 CVR1450 87 4.0 104
Show 12394-0238 OSW 37 6 32.6 105
Show 12379-0610 GWP1837 182 7.1 109
Show 12317-0343 HDS1761 120 0.7 113
Show 12404-0625 GWP1843 142 24.9 126
Show 12311-0519 A 3084 250 0.1 127
Show 12423-0224 SLW 761 123 117.8 131
Show 12440-0230 CVR1462 106 3.3 138
Show 12329-0235 SLW 734 244 10.6 139
Show 12429-0215 STF1673 AB 92 53.6 143
Show 12429-0215 LDS2888 AC 117 16.9 143
Show 12292-0421 KPP1951 337 15.4 143
Show 12297-0519 VKI 18 139 2.6 147
Show 12298-0527 B 2737 61 8.2 147
Show 12297-0320 TOK 27 14 16.2 149
Show 12428-0639 SKF1739 245 1.8 150
Show 12330-0217 HJ 1217 307 34.7 152
Show 12368-0651 UC 2371 313 18.6 152
Show 12414-0156 BAL 544 177 3.4 153
Show 12420-0156 BAL 545 162 4.3 155
Show 12318-0617 GWP1823 108 34.0 155
Show 12449-0629 CVR1464 241 4.0 157
Show 12492-0450 LDS5759 87 16.7 160
Show 12417-0148 OSW 36 144 102.1 161
Show 12348-0153 LDS2884 329 80.4 161
Show 12455-0218 BAL 546 81 9.1 162
Show 12300-0601 RST4500 AB 278 3.9 164
Show 12300-0601 DAM 578 AC 293 17.8 164
Show 12328-0158 CVR 656 20 11.3 170
Show 12391-0133 HJ 1220 52 7.1 170

 
 
WDS 12387-0422 : COMPONENTS
 
 
  A B
B pa=109.3°
sep=56.25"
 
C pa=359.2°
sep=165.20"
pa=343.2°
sep=191.91"
 
 
12387-0422 A
 
 
Name HD 109944 Coord arcsec 2000 123843.36-042224.8 Mag 6.82 Spectral class M0III (red)
PmRA -48.00 PmDE -2.0 SAO 138885 HIP 61685
Tycho2 4951-00492-1 HD 109944 GC 17218 BD BD-03 3329
Tycho2
Tycho2 4951-00492-1 Pflag RAmdeg 189.68054313 DEmdeg -4.37354973
PmRA -47.1 PmDE -0.9 E RAmdeg 4 E DEmdeg 5
E pmRA 0.7 E pmDE 0.7 EpRAm 1990.91 EpDEm 1990.40
Num 26 Q RAmdeg 0.5 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.7 BTmag 8.737 E BTmag 0.018 VTmag 6.822
E VTmag 0.010 Prox 558 TYC T HIP 61685
CCDM RAdeg 189.68065333 DEdeg -4.37354750 EpRA 1990 1.62
EpDE 1990 1.44 E RAdeg 4.2 E DEdeg 4.8 Posflg
Corr 0.4
SAO
SAO 138885 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 -0.01 Vmag 6.9 SpType K5
Double code Source 70 CatNum 17218 DM BD-03 3329
DMcomp BDsup HD 109944 M HD 0
GC 17218 RA1950rad 3.29932079 DE1950rad -0.07153863 PmRA2000 -0.0031
PmDE2000 -0.005
Hipparcos
Catalog H HIP 61685 Proxy RAhms 12 38 43.36
DEdms -04 22 24.8 Vmag 6.67 VarFlag 1 R Vmag G
RAdeg 189.681 DEdeg -4.37355 AstroRef Plx 4.27
CCDM 12387-0422 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 109944 BD BD-03 3329
CD CP Dm number -03 3329 VIred 1.7
SpType K5 R SpType Coord arcsec 2000 123843.36-042224.8
Hipparcos 2
HIP 61685 Sn 5 So 0 Nc 1
RArad 3.310552023 DErad -0.076332796 Plx 3.99 PmRA -47.47
PmDE -2.34 E RArad 0.37 E DErad 0.28 E Plx 0.44
E pmRA 0.39 E pmDE 0.28 Hpmag 6.7631 E Hpmag 0.0013
SHp 0.011 VA 0 BV 1.595 E BV 0.015
VI 1.7
CCDM
Ccdm 12387-0422 RComp Comp A Note1
Note2 Discov num DRAs 1.34 DDEs -24.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp K5 PmNote *
PmRA -49 PmDE -5 Dm number -03 3329 Cat1 BD
Name2 138885 Cat2 SAO HD 109944 M HD
ADS BDS B 6230 M ADS BDS N IDS IDS 12335S0350A
HIC 61685
 
 
12387-0422 B
 
 
Coord arcsec 2000 123846.91-042243.3 Mag 9.99 PmRA -17.00 PmDE -37.0
Calc delta mag 3.17 Calc coord yes
CCDM
Ccdm 12387-0422 RComp Comp B Note1
Note2 Discov num S 639 DRAs 5.04 DDEs -46.0
R dRAs 10 Year 1919 Theta 108 Rho 53.5
Obs 11 Vmag 9.7 Sp PmNote *
PmRA 4 PmDE -62 Dm number -03 3330 Cat1 BD
Name2 138886 Cat2 SAO HD M HD
ADS BDS B 6230 M ADS BDS N IDS IDS 12335S0350B
HIC
 
 
12387-0422 C
 
 
Coord arcsec 2000 123843.21-041939.6 Mag 10.22 PmRA -14.00 PmDE 1.0
Tycho2 4951-00994-1 Calc delta mag 3.4 Calc coord yes
Tycho2
Tycho2 4951-00994-1 Pflag RAmdeg 189.67979268 DEmdeg -4.32785497
PmRA -13.5 PmDE -0.2 E RAmdeg 22 E DEmdeg 26
E pmRA 1.8 E pmDE 2.1 EpRAm 1983.60 EpDEm 1983.98
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.0
Q pmDE 1.3 BTmag 11.553 E BTmag 0.074 VTmag 10.223
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 189.67982917 DEdeg -4.32786639 EpRA 1990 1.62
EpDE 1990 1.48 E RAdeg 28.5 E DEdeg 35.5 Posflg
Corr 0.4