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Current system
00477-8230
HDS 105
HD 4946


Nearby doubles
17' : 00546-8240
HDS 120

18' : 00561-8237
WHI 3

34' : 01046-8231
TDS1756

44' : 01005-8307
TDS1713

64' : 00494-8334
NSN 157

65' : 01069-8139
HJ 3420

75' : 00502-8345
TOI 130

97' : 00335-8404
TDS1521

104' : 00400-8049
TDS1561

123' : 00567-8029
TDS1677

143' : 01028-8451
SPM 4

146' : 00500-8456
HDS 112

175' : 00387-8525
LDS 25

201' : 00537-7910
HDS 116

226' : 00446-7845
KPP2786

242' : 00418-7830
HJ 3392

277' : 01077-7756
JSP 18

279' : 00454-7752
KPP2787

287' : 00385-7745
UC 410



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

00477-8230 HDS 105 (HD 4946)

 
 
00h 47m 41.28s -82° 30' 28.3" P.A. 123.00 sep 2.9 mag 9.40,11.69 Sp G3V dist. 77.46 pc (252.67 l.y.)
 
 
Coord 2000 00477-8230 Discov num HDS 105 Comp Coord arcsec 2000 00 47 41.28 -82 30 28.3
Date first 1991 Date last 2016 Obs 7
Pa first 123 Pa last 123 P.A. Now (θ) 123°
Sep first 2.9 Sep last 2.902 Sep. Now (ρ) 2.902"
Mag pri 9.40 Mag sec 11.69 delta mag (ΔM) 2.29 Spectral class G3V (yellow)
Pri motion ra -149 Sec motion ra -068
Pri motion dec -155 Sec motion dec -206
Notes
rPM=0.441
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4946 Constellation Octans HIP 3716 Tycho2 9490-01997-1
Gaia DR2 4629942996690428288 HD 4946 CD CD-83 8 CP CP-83 12
Distance 77.46 Distance ly 252.67
 
 
WDS 00477-8230 HDS 105 (HD 4946) : 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
00477-8230 HDS 105 1991 2 123 2.9 9.40 11.69 G3V 004741.28-823028.3
00477-8230 HDS 105 1998 3 123 2.9 9.40 11.69 G3V 004741.28-823028.3
00477-8230 HDS 105 2015 4 123 2.9 9.40 11.69 G3V 004741.28-823028.3
00477-8230 HDS 105 2016 7 123 2.9 9.40 11.69 G3V 004741.28-823028.3

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

 
 
WDS 00477-8230 HDS 105 (HD 4946) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00477-8230 HDS 105 (HD 4946) : MEASURES
 
 
No records found.

 
 
WDS 00477-8230 (HD 4946) : VIRTUAL EYEPIECE
 
 

00477-8230 HDS 105A mag 9.4 Sp G3V 00477-8230 HDS 105B sep 1.6 P.A. 168.60 mag 11.69 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00477-8230 (HD 4946) : ALADIN DSS IMAGE @ 00h 47m 41.28s -82° 30' 28.3"
 
 
 
 
WDS 00477-8230 HDS 105 (HD 4946) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00477-8230 HDS 105 distance=1' 00512-8223 KPP2396AC distance=11' 00546-8240 HDS 120 distance=17' 00561-8237 WHI 3 distance=18' 01046-8231 TDS1756 distance=34' 01005-8307 TDS1713 distance=44' 00494-8334 NSN 157 distance=64' 01069-8139 HJ 3420 distance=65' 00502-8345 TOI 130 distance=75' 00335-8404 TDS1521 distance=97' 00400-8049 TDS1561 distance=104' 00567-8029 TDS1677 distance=123' 01028-8451 SPM 4 distance=143' 00500-8456 HDS 112 distance=146' 00387-8525 LDS 25 distance=175' 00537-7910 HDS 116 distance=201' 00446-7845 KPP2786 distance=226' 00418-7830 HJ 3392 distance=242' 01077-7756 JSP 18 distance=277' 00454-7752 KPP2787 distance=279' 00385-7745 UC 410 distance=287' 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 00477-8230 HDS 105 123 2.9 1
Show 00512-8223 KPP2396 AC 55 20.6 11
Show 00546-8240 HDS 120 299 0.2 17
Show 00561-8237 WHI 3 147 1.4 18
Show 01046-8231 TDS1756 307 0.5 34
Show 01005-8307 TDS1713 107 0.5 44
Show 00494-8334 NSN 157 299 3.9 64
Show 01069-8139 HJ 3420 10 27.1 65
Show 00502-8345 TOI 130 281 2.2 75
Show 00335-8404 TDS1521 118 1.2 97
Show 00400-8049 TDS1561 102 0.7 104
Show 00567-8029 TDS1677 252 0.6 123
Show 01028-8451 SPM 4 83 7.7 143
Show 00500-8456 HDS 112 317 0.9 146
Show 00387-8525 LDS 25 36 22.9 175
Show 00537-7910 HDS 116 254 0.1 201
Show 00446-7845 KPP2786 284 1.3 226
Show 00418-7830 HJ 3392 289 12.0 242
Show 01077-7756 JSP 18 232 1.1 277
Show 00454-7752 KPP2787 222 1.9 279
Show 00385-7745 UC 410 207 66.1 287

 
 
WDS 00477-8230 : COMPONENTS
 
 
  A
B pa=168.6°
sep=1.61"
 
 
00477-8230 A
 
 
Componente originario normalizzato AB Name HD 4946 Coord arcsec 2000 004741.28-823028.3 Mag 9.4
Spectral class G3V (yellow) PmRA -149.00 PmDE -155.0 HIP 3716
Tycho2 9490-01997-1 HD 4946 CD CD-83 8 CP CP-83 12
Tycho2
Tycho2 9490-01997-1 Pflag RAmdeg 11.92200502 DEmdeg -82.50785929
PmRA -159.1 PmDE -146.7 E RAmdeg 11 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.64 EpDEm 1989.35
Num 9 Q RAmdeg 2.4 Q DEmdeg 2.3 Q pmRA 2.3
Q pmDE 2.3 BTmag 10.166 E BTmag 0.025 VTmag 9.405
E VTmag 0.019 Prox 29 TYC T HIP 3716
CCDM A RAdeg 11.92474556 DEdeg -82.50752028 EpRA 1990 1.84
EpDE 1990 1.76 E RAdeg 12.2 E DEdeg 12.8 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 3716 Proxy H RAhms 00 47 41.98
DEdms -82 30 27.0 Vmag 9.19 VarFlag R Vmag G
RAdeg 11.9249 DEdeg -82.5075 AstroRef A Plx 13.96
CCDM 00477-8230 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 123 Rho 2.885 HD 4946 BD
CD CD-83 8 CP CP-83 12 Dm number -83 8 VIred 0.73
SpType G3V R SpType Coord arcsec 2000 004741.98-823027.0
Hipparcos 2
HIP 3716 Sn 15 So 3 Nc 2
RArad 0.2081290789 DErad -1.4400274457 Plx 12.91 PmRA -154.03
PmDE -154.04 E RArad 0.9 E DErad 0.91 E Plx 1.03
E pmRA 1.18 E pmDE 1.09 Hpmag 9.3205 E Hpmag 0.0015
SHp 0.017 VA 0 BV 0.666 E BV 0.015
VI 0.73
CCDM
Ccdm 00477-8230 RComp Comp A Note1
Note2 Discov num DRAs -0.71 DDEs -28.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.5 Sp G3 PmNote *
PmRA -154 PmDE -154 Dm number -83 12 Cat1 CPD
Name2 Cat2 HD 4946 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 3716
 
 
00477-8230 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 004741.44-823029.9 Mag 11.69 PmRA -68.00
PmDE -206.0 Calc delta mag 2.29 Calc coord yes
CCDM
Ccdm 00477-8230 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.52 DDEs -29.9
R dRAs 82 Year 1991 Theta 123 Rho 2.9
Obs 1 Vmag 11.5 Sp PmNote *
PmRA -154 PmDE -154 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 3716