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Doubles in session


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



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.

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.

 
 
DISCOVERER
 
 
idgroup discov author
1 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
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 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
 
 
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
 
 
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