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Doubles in session


Current system
08404-4223
HDS 1248 BC


Nearby doubles
13' : 08409-4232
BRT 741

19' : 08420-4225
DAM1471

20' : 08420-4227
TDS6047

24' : 08419-4206
TDS6045

24' : 08420-4236
I 315

33' : 08375-4221
RST2573

33' : 08407-4149
CPO 224

40' : 08421-4256
LDS 230AB

44' : 08430-4254
TDS6053

44' : 08366-4235
TDS5978

49' : 08444-4239
HJ 4133

49' : 08436-4254
CPO 229

49' : 08372-4147
CPO 218

50' : 08378-4303
TOI 601

51' : 08445-4200
SKF 485

52' : 08447-4238
CHR 238

57' : 08383-4130
TDS6000

58' : 08374-4135
RST2572

63' : 08458-4237
CPO 231

67' : 08348-4246
KPP2287

70' : 08466-4234
JC 13

73' : 08407-4108
WG 106

74' : 08466-4247
HDS1270

75' : 08469-4208
TDS6093

76' : 08449-4124
HDS1262

77' : 08335-4216
TDS 477



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.

08404-4223 HDS 1248 BC

 
 
08h 40m 21.06s -42° 21' 11.5" P.A. 185.00 sep 0.1 mag 8.13,9.27 Sp G0 dist. 310.56 pc (1013.05 l.y.)
 
 
Coord 2000 08404-4223 Discov num HDS1248 Comp BC Coord arcsec 2000 08 40 21.06 -42 21 11.5
Date first 1991 Date last 2020 Obs 5
Pa first 132 Pa last 185.4 P.A. Now (θ) 185.4°
Sep first 0.1 Sep last 0.118 Sep. Now (ρ) 0.118"
Mag pri 8.13 Mag sec 9.27 delta mag (ΔM) 1.14 Spectral class G0 (yellow)
Pri motion ra -001 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
08404-4223 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 220257 08 40 21 -42 23 21 HDS 1247 Aa,Ab 2020 6 109 0.4 7.05 8.81 1.76
Show HD 74105 220257 08 40 21 -42 23 21 DUN 72 A,BC 2015 16 0 129.6 6.91 7.80 0.89
Show 220256 08 40 21 -42 21 12 HDS 1248 BC 2020 5 185 0.1 8.13 9.27 1.14 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela SAO 220256 HIP 42543 Tycho2 7683-01032-1
Gaia DR2 5525076548400146688 HD 74104 GC 11936 CD CD-41 4370
CP CP-41 2820 Distance 310.56 Distance ly 1013.05
 
 
WDS 08404-4223 HDS 1248 BC : NOTES
 
 
discov_num notes refcode
DUN 72 B is CD-41@4370.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
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
08404-4223 HDS1248 BC 1991 1 132 0.1 8.18 9.32 G0 084021.06-422111.5
08404-4223 HDS1248 BC 2015 2 171 0.1 8.13 9.27 G0 N 084021.06-422111.5
08404-4223 HDS1248 BC 2016 3 173 0.1 8.13 9.27 G0 N 084021.06-422111.5
08404-4223 HDS1248 BC 2018 4 178 0.1 8.13 9.27 G0 N 084021.06-422111.5
08404-4223 HDS1248 BC 2020 5 185 0.1 8.13 9.27 G0 N 084021.06-422111.5

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

 
 
WDS 08404-4223 HDS 1248 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08404-4223 HDS 1248 BC : MEASURES
 
 
No records found.

 
 
WDS 08404-4223 : VIRTUAL EYEPIECE
 
 

08404-4223 DUN 72A mag 6.91 Sp A3V 08404-4223 HDS1247Ab sep 0.3 P.A. 114.50 mag 8.81 08404-4223 HDS1248B sep 129.9 P.A. 359.70 mag 8.13 Sp G0 08404-4223 HDS1248C sep 129.8 P.A. 359.70 mag 9.27 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 08404-4223 : ALADIN DSS IMAGE @ 08h 40m 21.06s -42° 21' 11.5"
 
 
 
 
WDS 08404-4223 HDS 1248 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08404-4223 HDS1248BC distance=0' 08404-4223 HDS1247Aa,Ab distance=3' 08404-4223 DUN 72A,BC distance=3' 08409-4232 BRT 741 distance=13' 08420-4225 DAM1471 distance=19' 08420-4227 TDS6047 distance=20' 08419-4206 TDS6045 distance=24' 08420-4236 I 315 distance=24' 08375-4221 RST2573 distance=33' 08407-4149 CPO 224 distance=33' 08421-4256 LDS 230AB distance=40' 08421-4256 EGN 8AC distance=40' 08421-4256 EGN 8AD distance=40' 08430-4254 TDS6053 distance=44' 08366-4235 TDS5978 distance=44' 08444-4239 HJ 4133 distance=49' 08436-4254 CPO 229 distance=49' 08372-4147 CPO 218 distance=49' 08378-4303 TOI 601 distance=50' 08445-4200 SKF 485 distance=51' 08447-4238 CHR 238 distance=52' 08383-4130 TDS6000 distance=57' 08374-4135 RST2572 distance=58' 08458-4237 CPO 231 distance=63' 08348-4246 KPP2287 distance=67' 08466-4234 JC 13 distance=70' 08407-4108 WG 106 distance=73' 08466-4247 HDS1270 distance=74' 08469-4208 TDS6093 distance=75' 08449-4124 HDS1262 distance=76' 08335-4216 TDS 477 distance=77' 08405-4104 WG 105 distance=77' 08362-4324 CPO9090AB distance=78' 08362-4324 CPO9090AC distance=78' 08442-4116 SKF 64 distance=78' 08473-4236 JC 14 distance=79' 08383-4106 CPO9092 distance=79' 08447-4117 WG 109DE distance=81' 08447-4117 WG 109EF distance=81' 08447-4117 I 815AB distance=81' 08447-4117 I 815AC distance=81' 08447-4117 I 815AD distance=81' 08388-4101 TDS6005 distance=83' 08336-4259 KPP2523 distance=84' 08376-4103 TDS5992 distance=84' 08328-4236 TDS5926 distance=85' 08356-4330 WFC 70 distance=87' 08474-4143 CPO 233 distance=89' 08328-4153 HDS1222 distance=89' 08477-4144 MUG 6AB distance=90' 08485-4201 I 1512 distance=93' 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 08404-4223 HDS1248 BC 185 0.1
Show 08404-4223 HDS1247 Aa,Ab 109 0.4 3
Show 08404-4223 DUN 72 A,BC 129.6 3
Show 08409-4232 BRT 741 356 4.2 13
Show 08420-4225 DAM1471 122 16.3 19
Show 08420-4227 TDS6047 256 0.4 20
Show 08419-4206 TDS6045 153 2.4 24
Show 08420-4236 I 315 171 0.7 24
Show 08375-4221 RST2573 234 5.1 33
Show 08407-4149 CPO 224 247 4.4 33
Show 08421-4256 LDS 230 AB 188 45.4 40
Show 08421-4256 EGN 8 AC 332 5.5 40
Show 08421-4256 EGN 8 AD 101 9.6 40
Show 08430-4254 TDS6053 143 1.2 44
Show 08366-4235 TDS5978 3 2.0 44
Show 08444-4239 HJ 4133 64 45.7 49
Show 08436-4254 CPO 229 219 6.5 49
Show 08372-4147 CPO 218 175 6.9 49
Show 08378-4303 TOI 601 352 0.2 50
Show 08445-4200 SKF 485 349 11.0 51
Show 08447-4238 CHR 238 22 0.1 52
Show 08383-4130 TDS6000 67 2.4 57
Show 08374-4135 RST2572 310 2.8 58
Show 08458-4237 CPO 231 210 4.4 63
Show 08348-4246 KPP2287 31 19.3 67
Show 08466-4234 JC 13 311 2.2 70
Show 08407-4108 WG 106 2 3.6 73
Show 08466-4247 HDS1270 122 0.4 74
Show 08469-4208 TDS6093 162 0.4 75
Show 08449-4124 HDS1262 204 0.3 76
Show 08335-4216 TDS 477 20 0.9 77
Show 08405-4104 WG 105 325 14.9 77
Show 08362-4324 CPO9090 AB 66 6.6 78
Show 08362-4324 CPO9090 AC 77 11.5 78
Show 08442-4116 SKF 64 111 4.3 78
Show 08473-4236 JC 14 86 5.5 79
Show 08383-4106 CPO9092 99 4.5 79
Show 08447-4117 WG 109 DE 326 10.3 81
Show 08447-4117 WG 109 EF 7 10.0 81
Show 08447-4117 I 815 AB 1 4.4 81
Show 08447-4117 I 815 AC 130 8.2 81
Show 08447-4117 I 815 AD 226 35.3 81
Show 08388-4101 TDS6005 306 2.5 83
Show 08336-4259 KPP2523 328 22.8 84
Show 08376-4103 TDS5992 138 2.4 84
Show 08328-4236 TDS5926 230 0.5 85
Show 08356-4330 WFC 70 6 7.2 87
Show 08474-4143 CPO 233 85 2.8 89
Show 08328-4153 HDS1222 222 0.1 89
Show 08477-4144 MUG 6 AB 77 21.3 90
Show 08485-4201 I 1512 276 0.5 93

 
 
WDS 08404-4223 : COMPONENTS
 
 
  A Ab B
Ab pa=114.5°
sep=0.32"
 
B pa=359.7°
sep=129.90"
pa=359.5°
sep=130.04"
 
C pa=359.7°
sep=129.78"
pa=359.5°
sep=129.92"
pa=184.0°
sep=0.12"
 
 
08404-4223 A
 
 
Name HD 74105 Coord arcsec 2000 084021.13-422321.4 Mag 6.91 Spectral class A3V (white)
PmRA -34.00 PmDE 34.0 SAO 220257 HIP 42544
Tycho2 7683-01929-1 HD 74105 GC 11937 CD CD-41 4371
CP CP-41 2821
Tycho2
Tycho2 7683-01929-1 Pflag RAmdeg 130.08795658 DEmdeg -42.38920416
PmRA -35.7 PmDE 27.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.24 EpDEm 1991.21
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 0.9 BTmag 7.071 E BTmag 0.015 VTmag 6.906
E VTmag 0.010 Prox 999 TYC T HIP 42544
CCDM AD RAdeg 130.08806917 DEdeg -42.38926917 EpRA 1990 1.62
EpDE 1990 1.57 E RAdeg 3.9 E DEdeg 4.0 Posflg P
Corr 0.1
SAO
SAO 220257 DelFlag RA1950 PmRA1950 -0.0035
DE1950 PmDE1950 0.028 Vmag 7.2 SpType A2
Double code Source 70 CatNum 11937 DM CD-41 4371
DMcomp BDsup HD 74105 M HD 0
GC 11937 RA1950rad 2.26268548 DE1950rad -0.73672195 PmRA2000 -0.0029
PmDE2000 0.03
Hipparcos
Catalog H HIP 42544 Proxy H RAhms 08 40 21.13
DEdms -42 23 21.4 Vmag 6.85 VarFlag R Vmag H
RAdeg 130.088 DEdeg -42.3893 AstroRef A Plx 9.56
CCDM 08404-4223 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AD
Theta 66 Rho 0.496 HD 74105 BD
CD CD-41 4371 CP CP-41 2821 Dm number -41 4371 VIred 0.13
SpType A3V R SpType Coord arcsec 2000 084021.13-422321.4
Hipparcos 2
HIP 42544 Sn 15 So 3 Nc 2
RArad 2.2704647648 DErad -0.7398325168 Plx 9.87 PmRA -33.83
PmDE 34.54 E RArad 0.5 E DErad 0.44 E Plx 0.6
E pmRA 0.63 E pmDE 0.56 Hpmag 6.9044 E Hpmag 0.0013
SHp 0.008 VA 0 BV 0.16 E BV 0.008
VI 0.18
CCDM
Ccdm 08404-4223 RComp Comp A Note1
Note2 Discov num DRAs -2.89 DDEs -21.1
R dRAs 82 Year Theta Rho
Obs 4 Vmag 7.2 Sp A2 PmNote *
PmRA -34 PmDE 35 Dm number -41 4371 Cat1 CD
Name2 220257 Cat2 SAO HD 74105 M HD
ADS BDS M ADS BDS N IDS IDS 08368S4202A
HIC 42544
 
 
08404-4223 Ab
 
 
Coord arcsec 2000 084021.16-422321.5 Mag 8.81 PmRA -36.00 PmDE 28.0
Calc delta mag 1.76 Calc coord yes
 
 
08404-4223 B
 
 
Coord arcsec 2000 084021.06-422111.5 Mag 8.13 Spectral class G0 (yellow) PmRA -1.00
PmDE 5.0 SAO 220256 HIP 42543 Tycho2 7683-01032-1
HD 74104 GC 11936 CD CD-41 4370 CP CP-41 2820
Calc delta mag 1.08
Tycho2
Tycho2 7683-01032-1 Pflag RAmdeg 130.08775900 DEmdeg -42.35318360
PmRA -1.4 PmDE 6.1 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.24 EpDEm 1990.95
Num 8 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 8.635 E BTmag 0.017 VTmag 7.796
E VTmag 0.011 Prox 556 TYC T HIP 42543
CCDM BC RAdeg 130.08776361 DEdeg -42.35319778 EpRA 1990 1.67
EpDE 1990 1.57 E RAdeg 5.4 E DEdeg 5.8 Posflg P
Corr 0.0
SAO
SAO 220256 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 0.004 Vmag 8 SpType G0
Double code Source 70 CatNum 11936 DM CD-41 4370
DMcomp BDsup HD 74104 M HD 0
GC 11936 RA1950rad 2.26265734 DE1950rad -0.73608525 PmRA2000 -0.0024
PmDE2000 0.006
Hipparcos
Catalog H HIP 42543 Proxy H RAhms 08 40 21.06
DEdms -42 21 11.5 Vmag 7.71 VarFlag R Vmag H
RAdeg 130.088 DEdeg -42.3532 AstroRef * Plx 3.1
CCDM 08404-4223 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source S Qual A M HIP BC
Theta 132 Rho 0.143 HD 74104 BD
CD CD-41 4370 CP CP-41 2820 Dm number -41 4370 VIred 0.79
SpType G0 R SpType Coord arcsec 2000 084021.06-422111.5
Hipparcos 2
HIP 42543 Sn 55 So 3 Nc 2
RArad 2.2704597567 DErad -0.7392027181 Plx 3.22 PmRA -1.04
PmDE 4.93 E RArad 0.51 E DErad 0.52 E Plx 0.65
E pmRA 0.69 E pmDE 0.69 Hpmag 7.8556 E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.744 E BV 0.005
VI 0.79
CCDM
Ccdm 08404-4223 RComp Comp B Note1
Note2 Discov num DUN 72 DRAs -2.94 DDEs 108.5
R dRAs 82 Year Theta 358 Rho 131.4
Obs Vmag 8.2 Sp G0 PmNote *
PmRA -1 PmDE 5 Dm number -41 4370 Cat1 CD
Name2 220256 Cat2 SAO HD 74104 M HD
ADS BDS M ADS BDS N IDS IDS 08368S4202B
HIC 42543
 
 
08404-4223 C
 
 
Coord arcsec 2000 084021.06-422111.6 Mag 9.27 Calc delta mag 2.22 Calc coord yes
CCDM
Ccdm 08404-4223 RComp B Comp C Note1
Note2 Discov num HDS DRAs -2.93 DDEs 108.4
R dRAs 82 Year 1991 Theta 132 Rho 0.1
Obs 1 Vmag 9.3 Sp PmNote
PmRA -1 PmDE 5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 42543