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Doubles in session


Current system
21481-3839
HDS 3105
HD 207156


Nearby doubles
20' : 21465-3843
B 536

24' : 21501-3837
TOK 36

31' : 21461-3820
RST2186

50' : 21483-3749
LDS 756

51' : 21495-3749
LDS5927

52' : 21488-3929
CVN 111

53' : 21498-3750
B 539

58' : 21483-3742
B 538

59' : 21520-3801
TDT3203

66' : 21517-3747
LDS6364

67' : 21434-3917
B 535

68' : 21424-3829
WG 277

69' : 21449-3742
TDT3133

75' : 21543-3828
I 1448AB

76' : 21430-3926
WG 276

79' : 21425-3756
HJ 5288

80' : 21542-3802
B 543

83' : 21450-3724
KPP3093

105' : 21399-3759
RST2184

105' : 21398-3916
WG 275

105' : 21393-3828
HJ 5283

107' : 21543-3957
HJ 5299

107' : 21571-3847
RST2189

107' : 21434-3708
WIS 351

114' : 21558-3953
WG 279

116' : 21419-3710
BVD 154



Selections
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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.

21481-3839 HDS 3105 (HD 207156)

 
 
21h 48m 05.87s -38° 38' 31.1" P.A. 163.00 sep 0.2 mag 9.69,11.48 Sp F7V dist. 243.31 pc (793.68 l.y.)
 
 
Coord 2000 21481-3839 Discov num HDS3105 Comp Coord arcsec 2000 21 48 05.87 -38 38 31.1
Date first 1991 Date last 2021 Obs 5
Pa first 99 Pa last 163.2 P.A. Now (θ) 163.2°
Sep first 0.2 Sep last 0.157 Sep. Now (ρ) 0.157"
Mag pri 9.69 Mag sec 11.48 delta mag (ΔM) 1.79 Spectral class F7V (yellow-white)
Pri motion ra +015 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207156 Constellation Grus HIP 107635 Tycho2 7981-00935-1
Gaia DR2 6585166183193929984 HD 207156 CD CD-3914434 CP CP-39 9025
Distance 243.31 Distance ly 793.68
 
 
WDS 21481-3839 HDS 3105 (HD 207156) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (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
21481-3839 HDS3105 1991 1 99 0.2 9.69 11.48 F7V 214805.87-383831.1
21481-3839 HDS3105 2014 2 150 0.2 9.69 11.48 F7V 214805.87-383831.1
21481-3839 HDS3105 2017 3 155 0.2 9.69 11.48 F7V 214805.87-383831.1
21481-3839 HDS3105 2019 4 158 0.2 9.69 11.48 F7V 214805.87-383831.1
21481-3839 HDS3105 2021 5 163 0.2 9.69 11.48 F7V 214805.87-383831.1

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

 
 
WDS 21481-3839 HDS 3105 (HD 207156) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21481-3839 HDS 3105 (HD 207156) : MEASURES
 
 
No records found.

 
 
WDS 21481-3839 (HD 207156) : VIRTUAL EYEPIECE
 
 

21481-3839 HDS3105A mag 9.69 Sp F7V 21481-3839 HDS3105B sep 0.1 P.A. 166.70 mag 11.48 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 21481-3839 (HD 207156) : ALADIN DSS IMAGE @ 21h 48m 05.87s -38° 38' 31.1"
 
 
 
 
WDS 21481-3839 HDS 3105 (HD 207156) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21481-3839 HDS3105 distance=0' 21465-3843 B 536 distance=20' 21501-3837 TOK 36 distance=24' 21461-3820 RST2186 distance=31' 21483-3749 LDS 756 distance=50' 21495-3749 LDS5927 distance=51' 21488-3929 CVN 111 distance=52' 21498-3750 B 539 distance=53' 21483-3742 B 538 distance=58' 21520-3801 TDT3203 distance=59' 21517-3747 LDS6364 distance=66' 21434-3917 B 535 distance=67' 21424-3829 WG 277 distance=68' 21449-3742 TDT3133 distance=69' 21543-3828 I 1448AB distance=75' 21543-3828 LDS4922AC distance=75' 21430-3926 WG 276 distance=76' 21425-3756 HJ 5288 distance=79' 21542-3802 B 543 distance=80' 21450-3724 KPP3093 distance=83' 21399-3759 RST2184 distance=105' 21398-3916 WG 275 distance=105' 21393-3828 HJ 5283 distance=105' 21543-3957 HJ 5299 distance=107' 21571-3847 RST2189 distance=107' 21434-3708 WIS 351 distance=107' 21558-3953 WG 279 distance=114' 21419-3710 BVD 154 distance=116' 21383-3827 RST2182 distance=116' 21473-4034 SKF 380 distance=116' 21559-3719 UC 4600 distance=122' 21459-3640 JSP 827AB distance=122' 21459-3640 SKF1253AB,C distance=122' 21552-3705 ALD 78 distance=126' 21434-4033 CPO 626 distance=127' 21525-4034 CRU9029 distance=127' 21446-3632 SKF2808 distance=134' 21509-4052 CRU 2AB distance=138' 21509-4052 CRU 2AC distance=138' 21359-3829 WG 274 distance=143' 21360-3824 RST2180 distance=143' 21529-4052 I 1447 distance=145' 21560-3644 UC 4602 distance=149' 21458-3612 DEA 10 distance=149' 21380-3706 BRT1823 distance=151' 21599-3944 TDT3283 distance=152' 21429-4100 KPP1166 distance=154' 21578-4024 CRU9031 distance=155' 21507-3607 BRT1825 distance=155' 21458-4113 SEE 457 distance=158' 21467-3557 UC 4560 distance=162' 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 21481-3839 HDS3105 163 0.2
Show 21465-3843 B 536 267 1.0 20
Show 21501-3837 TOK 36 144 2.2 24
Show 21461-3820 RST2186 250 3.7 31
Show 21483-3749 LDS 756 34 22.3 50
Show 21495-3749 LDS5927 107 4.4 51
Show 21488-3929 CVN 111 277 0.4 52
Show 21498-3750 B 539 321 1.5 53
Show 21483-3742 B 538 211 1.8 58
Show 21520-3801 TDT3203 38 0.6 59
Show 21517-3747 LDS6364 121 5.1 66
Show 21434-3917 B 535 208 4.9 67
Show 21424-3829 WG 277 56 4.7 68
Show 21449-3742 TDT3133 110 0.5 69
Show 21543-3828 I 1448 AB 146 3.1 75
Show 21543-3828 LDS4922 AC 59 46.3 75
Show 21430-3926 WG 276 37 4.2 76
Show 21425-3756 HJ 5288 60 19.7 79
Show 21542-3802 B 543 242 2.9 80
Show 21450-3724 KPP3093 187 8.4 83
Show 21399-3759 RST2184 56 0.7 105
Show 21398-3916 WG 275 44 2.9 105
Show 21393-3828 HJ 5283 91 11.6 105
Show 21543-3957 HJ 5299 57 34.9 107
Show 21571-3847 RST2189 201 0.8 107
Show 21434-3708 WIS 351 70 359.5 107
Show 21558-3953 WG 279 27 4.1 114
Show 21419-3710 BVD 154 100 31.9 116
Show 21383-3827 RST2182 100 0.8 116
Show 21473-4034 SKF 380 247 7.6 116
Show 21559-3719 UC 4600 202 31.3 122
Show 21459-3640 JSP 827 AB 108 0.5 122
Show 21459-3640 SKF1253 AB,C 70 43.5 122
Show 21552-3705 ALD 78 42 3.1 126
Show 21434-4033 CPO 626 154 9.7 127
Show 21525-4034 CRU9029 68 90.5 127
Show 21446-3632 SKF2808 111 2.9 134
Show 21509-4052 CRU 2 AB 307 23.2 138
Show 21509-4052 CRU 2 AC 48 58.4 138
Show 21359-3829 WG 274 197 9.1 143
Show 21360-3824 RST2180 346 1.3 143
Show 21529-4052 I 1447 272 4.1 145
Show 21560-3644 UC 4602 45 25.1 149
Show 21458-3612 DEA 10 34 108.9 149
Show 21380-3706 BRT1823 268 3.0 151
Show 21599-3944 TDT3283 246 0.4 152
Show 21429-4100 KPP1166 354 9.1 154
Show 21578-4024 CRU9031 69 84.9 155
Show 21507-3607 BRT1825 143 3.3 155
Show 21458-4113 SEE 457 234 12.0 158
Show 21467-3557 UC 4560 332 27.3 162

 
 
WDS 21481-3839 : COMPONENTS
 
 
  A
B pa=166.7°
sep=0.15"
 
 
21481-3839 A
 
 
Componente originario normalizzato AB Name HD 207156 Coord arcsec 2000 214805.87-383831.1 Mag 9.69
Spectral class F7V (yellow-white) PmRA 15.00 PmDE -13.0 HIP 107635
Tycho2 7981-00935-1 HD 207156 CD CD-3914434 CP CP-39 9025
Tycho2
Tycho2 7981-00935-1 Pflag RAmdeg 327.02450055 DEmdeg -38.64200482
PmRA 16.9 PmDE -12.8 E RAmdeg 11 E DEmdeg 15
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.70 EpDEm 1987.34
Num 7 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.3 BTmag 10.052 E BTmag 0.026 VTmag 9.438
E VTmag 0.020 Prox 999 TYC T HIP 107635
CCDM AB RAdeg 327.02445028 DEdeg -38.64197361 EpRA 1990 1.66
EpDE 1990 1.11 E RAdeg 10.9 E DEdeg 15.5 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 107635 Proxy H RAhms 21 48 05.87
DEdms -38 38 31.1 Vmag 9.38 VarFlag R Vmag H
RAdeg 327.024 DEdeg -38.642 AstroRef * Plx 4.62
CCDM 21481-3839 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 99 Rho 0.201 HD 207156 BD
CD CD-3914434 CP CP-39 9025 Dm number -3914434 VIred 0.6
SpType F7V R SpType Coord arcsec 2000 214805.87-383831.1
Hipparcos 2
HIP 107635 Sn 55 So 3 Nc 2
RArad 5.7076535333 DErad -0.6744297357 Plx 4.11 PmRA 15.57
PmDE -12.65 E RArad 1.28 E DErad 0.9 E Plx 1.48
E pmRA 1.54 E pmDE 0.96 Hpmag 9.4993 E Hpmag 0.002
SHp 0.019 VA 0 BV 0.552 E BV 0.025
VI 0.62
CCDM
Ccdm 21481-3839 RComp Comp A Note1
Note2 Discov num DRAs -0.13 DDEs 28.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp F7 PmNote *
PmRA 15 PmDE -13 Dm number -3914434 Cat1 CD
Name2 Cat2 HD 207156 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 107635
 
 
21481-3839 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214805.87-383831.3 Mag 11.48 Calc delta mag 1.79
Calc coord yes
CCDM
Ccdm 21481-3839 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.11 DDEs 28.8
R dRAs 82 Year 1991 Theta 99 Rho 0.2
Obs 1 Vmag 11.5 Sp PmNote *
PmRA 15 PmDE -13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 107635