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Doubles in session


Current system
08447-4117
I 815 AD


Nearby doubles
6' : 08442-4116
SKF 64

9' : 08449-4124
HDS1262

27' : 08449-4050
WG 111

33' : 08459-4047
TDS6083

42' : 08474-4143
CPO 233

43' : 08442-4035
WG 108

43' : 08420-4047
TDS6046

44' : 08445-4200
SKF 485

44' : 08477-4144
MUG 6AB

46' : 08407-4108
WG 106

48' : 08488-4105
BRT 750

49' : 08405-4104
WG 105

49' : 08486-4138
TDS 494

53' : 08471-4032
WG 114

56' : 08407-4149
CPO 224

58' : 08469-4208
TDS6093

58' : 08495-4134
RST2585

58' : 08419-4206
TDS6045

62' : 08485-4201
I 1512

62' : 08474-4023
WG 113

63' : 08436-4016
B 1627

69' : 08388-4101
TDS6005

70' : 08506-4135
TDS6129

71' : 08476-4014
B 1630

72' : 08405-4024
WG 104

73' : 08383-4130
TDS6000



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08447-4117 I 815 AD

 
 
08h 44m 40.33s -41° 16' 38.0" P.A. 226.00 sep 35.3 mag 7.43,10.72 Sp B0V dist. 980.39 pc (3198.03 l.y.)
 
 
Coord 2000 08447-4117 Discov num I   815 Comp AD Coord arcsec 2000 08 44 40.33 -41 16 38.0
Date first 1899 Date last 2015 Obs 5
Pa first 225 Pa last 225.7 P.A. Now (θ) 225.7°
Sep first 35.9 Sep last 35.309 Sep. Now (ρ) 35.309"
Mag pri 7.43 Mag sec 10.72 delta mag (ΔM) 3.29 Spectral class B0V (blue-white)
Pri motion ra -007 Sec motion ra -003
Pri motion dec +003 Sec motion dec +001
Notes N (See Notes)
rPM=0.587
Nature of this double is uncertain.
 
 
08447-4117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 74804 220381 08 44 40 -41 16 38 I 815 AB 2015 10 1 4.4 7.43 10.94 3.51
Show 220381 08 44 40 -41 16 38 I 815 AC 2015 5 130 8.2 7.43 13.30 5.87
Show 220381 08 44 40 -41 16 38 I 815 AD 2015 5 226 35.3 7.43 10.72 3.29 <===
Show 08 44 38 -41 17 03 WG 109 DE 2015 6 326 10.3 10.72 12.29 1.57
Show 08 44 38 -41 16 54 WG 109 EF 2015 4 7 10.0 12.29 13.50 1.21
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela SAO 220381 HIP 42908 Tycho2 7683-02232-1
Gaia DR2 5525249274804540288 HD 74804 CD CD-40 4569 CP CP-40 2824
Distance 980.39 Distance ly 3198.03
 
 
WDS 08447-4117 I 815 AD : NOTES
 
 
discov_num notes refcode
I 815 CPD-40@2823.
 
 
DISCOVERER
 
 
discov author
I Innes, R.T.A.
I MNRAS 57, 533, 1897 (data also in I__1897b,
I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
08447-4117 I 815 AD 1999 3 226 35.4 7.43 10.72 -40 2823 N D 084440.33-411638.0
08447-4117 I 815 AD 2015 5 226 35.3 7.43 10.72 B0V -40 2823 N 084440.33-411638.0

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

 
 
WDS 08447-4117 I 815 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08447-4117 I 815 AD : MEASURES
 
 
No records found.

 
 
WDS 08447-4117 : VIRTUAL EYEPIECE
 
 

08447-4117 I 815A mag 7.43 Sp B3/5II 08447-4117 I 815B sep 4.4 P.A. 1.40 mag 10.94 08447-4117 I 815C sep 8.2 P.A. 130.30 mag 13.3 08447-4117 WG 109D sep 35.3 P.A. 225.90 mag 10.72 08447-4117 WG 109E sep 35.1 P.A. 242.70 mag 12.29 08447-4117 WG 109F sep 30.7 P.A. 258.40 mag 13.5 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 08447-4117 : ALADIN DSS IMAGE @ 08h 44m 40.33s -41° 16' 38.0"
 
 
 
 
WDS 08447-4117 I 815 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08447-4117 I 815AD distance=0' 08447-4117 WG 109EF distance=1' 08447-4117 WG 109DE distance=1' 08442-4116 SKF 64 distance=6' 08449-4124 HDS1262 distance=9' 08449-4050 WG 111 distance=27' 08459-4047 TDS6083 distance=33' 08474-4143 CPO 233 distance=42' 08442-4035 WG 108 distance=43' 08420-4047 TDS6046 distance=43' 08445-4200 SKF 485 distance=44' 08477-4144 MUG 6AB distance=44' 08407-4108 WG 106 distance=46' 08488-4105 BRT 750 distance=48' 08405-4104 WG 105 distance=49' 08486-4138 TDS 494 distance=49' 08471-4032 WG 114 distance=53' 08407-4149 CPO 224 distance=56' 08469-4208 TDS6093 distance=58' 08495-4134 RST2585 distance=58' 08419-4206 TDS6045 distance=58' 08485-4201 I 1512 distance=62' 08474-4023 WG 113 distance=62' 08436-4016 B 1627 distance=63' 08388-4101 TDS6005 distance=69' 08506-4135 TDS6129 distance=70' 08476-4014 B 1630 distance=71' 08405-4024 WG 104 distance=72' 08383-4130 TDS6000 distance=73' 08383-4106 CPO9092 distance=73' 08420-4225 DAM1471 distance=75' 08420-4227 TDS6047 distance=77' 08403-4016 COO 74 distance=79' 08466-4234 JC 13 distance=81' 08504-4205 SNA 7 distance=81' 08499-4023 JC 15 distance=81' 08404-4223 HDS1248BC distance=81' 08376-4103 TDS5992 distance=81' 08392-4025 B 1623 distance=82' 08447-4238 CHR 238 distance=82' 08458-4237 CPO 231 distance=82' 08512-4153 TDS6135 distance=82' 08404-4223 HDS1247Aa,Ab distance=83' 08404-4223 DUN 72A,BC distance=83' 08444-4239 HJ 4133 distance=83' 08520-4141 LDS 237 distance=84' 08374-4135 RST2572 distance=84' 08397-4015 I 1511 distance=85' 08519-4057 WG 118 distance=85' 08420-4236 I 315 distance=85' 08473-4236 JC 14 distance=85' 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 08447-4117 I 815 AB 1 4.4 0
Show 08447-4117 I 815 AC 130 8.2 0
Show 08447-4117 I 815 AD 226 35.3 0
Show 08447-4117 WG 109 EF 7 10.0 1
Show 08447-4117 WG 109 DE 326 10.3 1
Show 08442-4116 SKF 64 111 4.3 6
Show 08449-4124 HDS1262 204 0.3 9
Show 08449-4050 WG 111 358 3.8 27
Show 08459-4047 TDS6083 5 0.4 33
Show 08474-4143 CPO 233 85 2.8 42
Show 08442-4035 WG 108 355 4.4 43
Show 08420-4047 TDS6046 17 0.5 43
Show 08445-4200 SKF 485 349 11.0 44
Show 08477-4144 MUG 6 AB 77 21.3 44
Show 08407-4108 WG 106 2 3.6 46
Show 08488-4105 BRT 750 65 5.3 48
Show 08405-4104 WG 105 325 14.9 49
Show 08486-4138 TDS 494 37 1.0 49
Show 08471-4032 WG 114 176 27.4 53
Show 08407-4149 CPO 224 247 4.4 56
Show 08469-4208 TDS6093 162 0.4 58
Show 08495-4134 RST2585 288 3.8 58
Show 08419-4206 TDS6045 153 2.4 58
Show 08485-4201 I 1512 276 0.5 62
Show 08474-4023 WG 113 195 2.6 62
Show 08436-4016 B 1627 123 0.3 63
Show 08388-4101 TDS6005 306 2.5 69
Show 08506-4135 TDS6129 137 1.7 70
Show 08476-4014 B 1630 128 4.1 71
Show 08405-4024 WG 104 85 6.4 72
Show 08383-4130 TDS6000 67 2.4 73
Show 08383-4106 CPO9092 99 4.5 73
Show 08420-4225 DAM1471 122 16.3 75
Show 08420-4227 TDS6047 256 0.4 77
Show 08403-4016 COO 74 68 4.6 79
Show 08466-4234 JC 13 311 2.2 81
Show 08504-4205 SNA 7 36 0.0 81
Show 08499-4023 JC 15 29 3.6 81
Show 08404-4223 HDS1248 BC 185 0.1 81
Show 08376-4103 TDS5992 138 2.4 81
Show 08392-4025 B 1623 254 0.7 82
Show 08447-4238 CHR 238 94 0.1 82
Show 08458-4237 CPO 231 210 4.4 82
Show 08512-4153 TDS6135 136 0.5 82
Show 08404-4223 HDS1247 Aa,Ab 109 0.4 83
Show 08404-4223 DUN 72 A,BC 0 129.6 83
Show 08444-4239 HJ 4133 64 45.7 83
Show 08520-4141 LDS 237 262 23.9 84
Show 08374-4135 RST2572 310 2.8 84
Show 08397-4015 I 1511 351 1.9 85
Show 08519-4057 WG 118 228 3.6 85

 
 
WDS 08447-4117 : COMPONENTS
 
 
  A B C D E
B pa=1.4°
sep=4.39"
 
C pa=130.3°
sep=8.15"
pa=147.7°
sep=11.43"
 
D pa=225.9°
sep=35.33"
pa=221.3°
sep=38.59"
pa=238.5°
sep=37.02"
 
E pa=242.7°
sep=35.09"
pa=236.7°
sep=37.40"
pa=253.8°
sep=38.93"
pa=325.6°
sep=10.28"
 
F pa=258.4°
sep=30.67"
pa=250.7°
sep=31.95"
pa=268.6°
sep=36.27"
pa=345.8°
sep=19.01"
pa=6.5°
sep=10.01"
 
 
08447-4117 A
 
 
Name HD 74804 Coord arcsec 2000 084440.33-411638.0 Mag 7.43 Spectral class B3/5II (blue-white)
PmRA -7.00 PmDE 3.0 SAO 220381 HIP 42908
Tycho2 7683-02232-1 HD 74804 CD CD-40 4569 CP CP-40 2824
Tycho2
Tycho2 7683-02232-1 Pflag RAmdeg 131.16802065 DEmdeg -41.27722963
PmRA -5.6 PmDE -1.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.31 EpDEm 1991.42
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.7 BTmag 7.718 E BTmag 0.015 VTmag 7.433
E VTmag 0.010 Prox 44 TYC T HIP 42908
CCDM A RAdeg 131.16803778 DEdeg -41.27722528 EpRA 1990 1.62
EpDE 1990 1.73 E RAdeg 4.3 E DEdeg 4.1 Posflg
Corr 0.0
SAO
SAO 220381 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.005 Vmag 7.1 SpType B5
Double code Source 48 CatNum 6442 DM CP-40 2824
DMcomp BDsup HD 74804 M HD 0
GC RA1950rad 2.28134517 DE1950rad -0.71723896 PmRA2000 0.0006
PmDE2000 -0.003
Hipparcos
Catalog H HIP 42908 Proxy H RAhms 08 44 40.33
DEdms -41 16 38.0 Vmag 7.34 VarFlag R Vmag G
RAdeg 131.168 DEdeg -41.2772 AstroRef A Plx -0.49
CCDM -6.85 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 2 Rho 4.374 HD BD
CD CD-40 4569 CP CP-40 2824 Dm number -40 4569 VIred 0.38
SpType B0V R SpType Coord arcsec 2000 084440.33-411638.0
Hipparcos 2
HIP 42908 Sn 15 So 3 Nc 2
RArad 2.2893141527 DErad -0.720423496 Plx 1.02 PmRA -5.68
PmDE 2.96 E RArad 0.43 E DErad 0.51 E Plx 0.62
E pmRA 0.5 E pmDE 0.62 Hpmag E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.324 E BV 0.003
VI 0.38
CCDM
Ccdm 08447-4117 RComp Comp A Note1
Note2 Discov num DRAs -1.65 DDEs 21.9
R dRAs 10 Year Theta Rho
Obs 6 Vmag 7.2 Sp B5 PmNote *
PmRA 0 PmDE -5 Dm number -40 4569 Cat1 CD
Name2 220381 Cat2 SAO HD 74804 M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055A
HIC 42908
 
 
08447-4117 B
 
 
Coord arcsec 2000 084440.34-411633.6 Mag 10.94 PmRA -7.00 PmDE 3.0
Delta magnitude 3.51 Coordinate calculated yes
CCDM
Ccdm 08447-4117 RComp Comp B Note1
Note2 Discov num I 815 DRAs DDEs
R dRAs Year 1911 Theta 002 Rho 4.4
Obs 4 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055B
HIC 42908
 
 
08447-4117 C
 
 
Coord arcsec 2000 084440.88-411643.3 Mag 13.3 Delta magnitude 5.87 Coordinate calculated yes
CCDM
Ccdm 08447-4117 RComp Comp C Note1
Note2 Discov num I 815 DRAs DDEs
R dRAs Year 1933 Theta 130 Rho 8.3
Obs 2 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055C
HIC 42908
 
 
08447-4117 D
 
 
Coord arcsec 2000 084438.08-411702.6 Coord calc 084438.08-411702.6 Mag 10.72 PmRA -3.00
PmDE 1.0 Delta magnitude 3.29
CCDM
Ccdm 08447-4117 RComp Comp D Note1
Note2 Discov num I 815 DRAs DDEs
R dRAs Year Theta 225 Rho 35.0
Obs Vmag 11.0 Sp PmNote
PmRA 11 PmDE 21 Dm number Cat1
Name2 -40 2823 Cat2 CPD HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055D
HIC
 
 
08447-4117 E
 
 
Coord arcsec 2000 084437.56-411654.1 Mag 12.29 PmRA -6.00 PmDE 4.0
Delta magnitude 4.86 Coordinate calculated yes
CCDM
Ccdm 08447-4117 RComp D Comp E Note1
Note2 Discov num WG 109 DRAs DDEs
R dRAs Year 1904 Theta 325 Rho 10.0
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055E
HIC
 
 
08447-4117 F
 
 
Coord arcsec 2000 084437.67-411644.2 Mag 13.5 PmRA -25.00 PmDE 8.0
Delta magnitude 6.07 Coordinate calculated yes
CCDM
Ccdm 08447-4117 RComp E Comp F Note1
Note2 Discov num WG 109 DRAs DDEs
R dRAs Year Theta 007 Rho 10.0
Obs Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08410S4055F
HIC