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Doubles in session


Current system
08306-4031
DUN 71
HD 72317


Nearby doubles
18' : 08290-4029
WG 98

19' : 08310-4013
B 1609

23' : 08293-4048
RST2560

34' : 08326-4007
B 1614

35' : 08288-4003
HJ 4099

38' : 08281-4006
HJ 4098

42' : 08322-4108
WG 99

42' : 08312-3949
RST2564

43' : 08279-4001
TDS5844

51' : 08325-4116
WG 100

51' : 08326-3946
B 1613

51' : 08292-3942
TDS5865

53' : 08280-4115
COO 71AB

55' : 08279-4116
CPO 208

56' : 08354-4039
REP 13

58' : 08259-4011
TDS5820

58' : 08343-3952
TDS5945

58' : 08343-4111
KPP3751

61' : 08308-4131
I 313AB

63' : 08342-3944
HDS1227

64' : 08255-4058
RST3592

70' : 08360-3959
WG 101

71' : 08316-3921
RST3596

73' : 08364-4100
HJ 4114

75' : 08241-4020
WG 94AB

77' : 08283-3920
WG 97



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.

08306-4031 DUN 71 (HD 72317)

 
 
08h 30m 34.41s -40° 30' 42.0" P.A. 52.00 sep 63.6 mag 7.01,7.66 Sp B8V+K4III dist. 255.1 pc (832.14 l.y.)
 
 
Coord 2000 08306-4031 Discov num DUN  71 Comp Coord arcsec 2000 08 30 34.41 -40 30 42.0
Date first 1826 Date last 2015 Obs 18
Pa first 48 Pa last 51.5 P.A. Now (θ) 51.5°
Sep first 67.2 Sep last 63.636 Sep. Now (ρ) 63.636"
Mag pri 7.01 Mag sec 7.66 delta mag (ΔM) 0.65 Spectral class B8V+K4III (blue-white/yellow-orange)
Pri motion ra -008 Sec motion ra +005
Pri motion dec +005 Sec motion dec -012
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=1.646
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 72317 Constellation Vela SAO 220020 HIP 41730
Tycho2 7666-01224-1 Gaia DR2 5527782446519946880 HD 72317 GC 11660
DM CD-40 4330 CD CD-40 4328 CP CP-40 2570 Distance 255.1
Distance ly 832.14
 
 
WDS 08306-4031 DUN 71 (HD 72317) : NOTES
 
 
discov_num notes refcode
DUN 71 B is CD-40@4330.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08306-4031 DUN 71 1999 15 51 63.6 7.01 7.66 B8V K4III NYD 083034.41-403042.0
08306-4031 DUN 71 2010 17 52 63.5 7.01 7.66 B8V+K4III NY 083034.41-403042.0
08306-4031 DUN 71 2015 18 52 63.6 7.01 7.66 B8V+K4III NY 083034.41-403042.0

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

 
 
WDS 08306-4031 DUN 71 (HD 72317) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08306-4031 DUN 71 (HD 72317) : MEASURES
 
 
No records found.

 
 
WDS 08306-4031 (HD 72317) : VIRTUAL EYEPIECE
 
 

08306-4031 DUN 71A mag 7.01 Sp B8V 08306-4031 DUN 71B sep 54.8 P.A. 43.70 mag 7.66 Sp K4III virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08306-4031 (HD 72317) : ALADIN DSS IMAGE @ 08h 30m 34.41s -40° 30' 42.0"
 
 
 
 
WDS 08306-4031 DUN 71 (HD 72317) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08306-4031 DUN 71 distance=1' 08290-4029 WG 98 distance=18' 08310-4013 B 1609 distance=19' 08293-4048 RST2560 distance=23' 08326-4007 B 1614 distance=34' 08288-4003 HJ 4099 distance=35' 08281-4006 HJ 4098 distance=38' 08322-4108 WG 99 distance=42' 08312-3949 RST2564 distance=42' 08279-4001 TDS5844 distance=43' 08325-4116 WG 100 distance=51' 08326-3946 B 1613 distance=51' 08292-3942 TDS5865 distance=51' 08280-4115 DAM 18CD distance=53' 08280-4115 COO 71AB distance=53' 08280-4115 I 9006AC distance=53' 08279-4116 CPO 208 distance=55' 08354-4039 REP 13 distance=56' 08259-4011 TDS5820 distance=58' 08343-3952 TDS5945 distance=58' 08343-4111 KPP3751 distance=58' 08308-4131 I 313AB distance=61' 08308-4131 I 313AD distance=61' 08308-4131 RST2563BC distance=61' 08342-3944 HDS1227 distance=63' 08255-4058 RST3592 distance=64' 08360-3959 WG 101 distance=70' 08316-3921 RST3596 distance=71' 08364-4100 HJ 4114 distance=73' 08241-4020 WG 94AB distance=75' 08283-3920 WG 97 distance=77' 08259-3934 HJ 4092 distance=79' 08282-4147 TDS5849 distance=81' 08376-4023 RST2575 distance=81' 08299-4154 TDS 472 distance=84' 08233-4018 RST2550 distance=84' 08324-3909 B 2180 distance=85' 08298-4155 SKF1838 distance=85' 08328-4153 HDS1222 distance=86' 08376-4103 TDS5992 distance=87' 08314-3904 HJ 4107AB distance=88' 08314-3904 HJ 4107AC distance=88' 08379-4003 RST2576 distance=89' 08285-3906 HDS1209 distance=89' 08318-4202 B 1610 distance=93' 08244-4131 I 1180 distance=93' 08383-4106 CPO9092 distance=95' 08227-3958 TDS5776 distance=96' 08229-3954 SKF1452 distance=96' 08225-4102 TDS5772 distance=98' 08388-4101 TDS6005 distance=99' 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 08306-4031 DUN 71 52 63.6 1
Show 08290-4029 WG 98 31 7.3 18
Show 08310-4013 B 1609 279 0.4 19
Show 08293-4048 RST2560 110 2.3 23
Show 08326-4007 B 1614 57 1.0 34
Show 08288-4003 HJ 4099 218 28.6 35
Show 08281-4006 HJ 4098 274 13.4 38
Show 08322-4108 WG 99 249 5.4 42
Show 08312-3949 RST2564 85 3.5 42
Show 08279-4001 TDS5844 31 0.5 43
Show 08325-4116 WG 100 85 9.3 51
Show 08326-3946 B 1613 299 0.9 51
Show 08292-3942 TDS5865 222 1.7 51
Show 08280-4115 DAM 18 CD 342 5.7 53
Show 08280-4115 COO 71 AB 104 8.2 53
Show 08280-4115 I 9006 AC 62 33.4 53
Show 08279-4116 CPO 208 237 3.4 55
Show 08354-4039 REP 13 200 4.1 56
Show 08259-4011 TDS5820 279 1.3 58
Show 08343-3952 TDS5945 283 0.6 58
Show 08343-4111 KPP3751 149 2.8 58
Show 08308-4131 I 313 AB 214 3.6 61
Show 08308-4131 I 313 AD 260 31.6 61
Show 08308-4131 RST2563 BC 323 2.4 61
Show 08342-3944 HDS1227 337 0.4 63
Show 08255-4058 RST3592 188 0.1 64
Show 08360-3959 WG 101 242 7.0 70
Show 08316-3921 RST3596 335 2.2 71
Show 08364-4100 HJ 4114 224 4.2 73
Show 08241-4020 WG 94 AB 286 9.0 75
Show 08283-3920 WG 97 214 11.6 77
Show 08259-3934 HJ 4092 210 7.3 79
Show 08282-4147 TDS5849 85 0.9 81
Show 08376-4023 RST2575 137 1.1 81
Show 08299-4154 TDS 472 190 2.3 84
Show 08233-4018 RST2550 28 0.7 84
Show 08324-3909 B 2180 262 1.3 85
Show 08298-4155 SKF1838 146 14.9 85
Show 08328-4153 HDS1222 222 0.1 86
Show 08376-4103 TDS5992 138 2.4 87
Show 08314-3904 HJ 4107 AB 329 4.5 88
Show 08314-3904 HJ 4107 AC 98 29.9 88
Show 08379-4003 RST2576 269 0.4 89
Show 08285-3906 HDS1209 80 0.3 89
Show 08318-4202 B 1610 30 1.9 93
Show 08244-4131 I 1180 33 0.3 93
Show 08383-4106 CPO9092 99 4.5 95
Show 08227-3958 TDS5776 268 0.6 96
Show 08229-3954 SKF1452 177 64.8 96
Show 08225-4102 TDS5772 222 1.0 98
Show 08388-4101 TDS6005 306 2.5 99

 
 
WDS 08306-4031 : COMPONENTS
 
 
  A
B pa=43.7°
sep=54.80"
 
 
08306-4031 A
 
 
Componente originario normalizzato AB Name HD 72318 Coord arcsec 2000 083034.41-403042.0 Mag 7.01
Spectral class B8V (blue-white) PmRA -8.00 PmDE 5.0 SAO 220020
HIP 41730 Tycho2 7666-01224-1 HD 72318 GC 11660
CD CD-40 4328 CP CP-40 2570
Tycho2
Tycho2 7666-01224-1 Pflag RAmdeg 127.64339296 DEmdeg -40.51166478
PmRA -6.3 PmDE 5.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.47 EpDEm 1991.69
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 6.927 E BTmag 0.015 VTmag 7.014
E VTmag 0.010 Prox 636 TYC T HIP 41730
CCDM RAdeg 127.64341222 DEdeg -40.51167750 EpRA 1990 1.62
EpDE 1990 1.84 E RAdeg 3.9 E DEdeg 3.7 Posflg
Corr 0.0
SAO
SAO 220020 DelFlag RA1950 PmRA1950 -0.0021
DE1950 PmDE1950 -0.005 Vmag 7.1 SpType B9
Double code Source 70 CatNum 11660 DM CD-40 4328
DMcomp BDsup HD 72318 M HD 0
GC 11660 RA1950rad 2.21990071 DE1950rad -0.70411104 PmRA2000 -0.0015
PmDE2000 -0.003
Hipparcos
Catalog H HIP 41730 Proxy RAhms 08 30 34.42
DEdms -40 30 42.0 Vmag 7.05 VarFlag R Vmag H
RAdeg 127.643 DEdeg -40.5117 AstroRef Plx 4.21
CCDM 08306-4030 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 72318 BD
CD CD-40 4328 CP CP-40 2570 Dm number -40 4328 VIred -0.06
SpType B8V R SpType Coord arcsec 2000 083034.42-403042.0
Hipparcos 2
HIP 41730 Sn 5 So 0 Nc 1
RArad 2.2277978321 DErad -0.7070621658 Plx 3.92 PmRA -7.73
PmDE 5.06 E RArad 0.32 E DErad 0.38 E Plx 0.45
E pmRA 0.36 E pmDE 0.41 Hpmag 7.0239 E Hpmag 0.0011
SHp 0.011 VA 0 BV -0.081 E BV 0.006
VI -0.06
 
 
08306-4031 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 083037.73-403002.4 Mag 7.66 Spectral class K4III (yellow-orange)
PmRA 5.00 PmDE -12.0 SAO 220024 HIP 41736
Tycho2 7666-01627-1 HD 72317 GC 11667 CD CD-40 4330
CP CP-40 2573 Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 7666-01627-1 Pflag RAmdeg 127.66157064 DEmdeg -40.50067275
PmRA 6.3 PmDE -15.3 E RAmdeg 6 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1990.81 EpDEm 1991.21
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 9.413 E BTmag 0.019 VTmag 7.659
E VTmag 0.011 Prox 636 TYC T HIP 41736
CCDM RAdeg 127.66155194 DEdeg -40.50063806 EpRA 1990 1.64
EpDE 1990 1.87 E RAdeg 5.5 E DEdeg 5.2 Posflg
Corr 0.1
SAO
SAO 220024 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.004 Vmag 7.9 SpType K5
Double code Source 70 CatNum 11667 DM CD-40 4330
DMcomp BDsup HD 72317 M HD 0
GC 11667 RA1950rad 2.22020842 DE1950rad -0.70390685 PmRA2000 -0.0017
PmDE2000 -0.002
Hipparcos
Catalog H HIP 41736 Proxy RAhms 08 30 38.77
DEdms -40 30 02.3 Vmag 7.52 VarFlag 1 R Vmag G
RAdeg 127.662 DEdeg -40.5006 AstroRef Plx 2.7
CCDM 08306-4030 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 72317 BD
CD CD-40 4330 CP CP-40 2573 Dm number -40 4330 VIred 1.52
SpType K4III R SpType Coord arcsec 2000 083038.77-403002.3
Hipparcos 2
HIP 41736 Sn 5 So 0 Nc 1
RArad 2.2281143467 DErad -0.7068694198 Plx 2.83 PmRA 4.58
PmDE -11.98 E RArad 0.41 E DErad 0.49 E Plx 0.57
E pmRA 0.45 E pmDE 0.53 Hpmag 7.6477 E Hpmag 0.0015
SHp 0.013 VA 0 BV 1.497 E BV 0.015
VI 1.52