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Current system
08420-4236
I 315
HD 74370


Nearby doubles
9' : 08420-4227
TDS6047

11' : 08420-4225
DAM1471

13' : 08409-4232
BRT 741

20' : 08421-4256
LDS 230AB

21' : 08430-4254
TDS6053

26' : 08436-4254
CPO 229

27' : 08444-4239
HJ 4133

31' : 08419-4206
TDS6045

31' : 08447-4238
CHR 238

42' : 08458-4237
CPO 231

46' : 08445-4200
SKF 485

50' : 08407-4149
CPO 224

51' : 08466-4234
JC 13

52' : 08466-4247
HDS1270

53' : 08375-4221
RST2573

53' : 08378-4303
TOI 601

59' : 08473-4236
JC 14

60' : 08366-4235
TDS5978

62' : 08469-4208
TDS6093

73' : 08372-4147
CPO 218

75' : 08446-4345
DON 278

78' : 08479-4321
DON 282

78' : 08383-4130
TDS6000

79' : 08449-4124
HDS1262

80' : 08479-4320
HDS1274

80' : 08362-4324
CPO9090AB



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.

08420-4236 I 315 (HD 74370)

 
 
08h 42m 00.09s -42° 35' 51.6" P.A. 171.00 sep 0.7 mag 9.02,9.15 Sp B9V dist. 431.03 pc (1406.02 l.y.)
 
 
Coord 2000 08420-4236 Discov num I   315 Comp Coord arcsec 2000 08 42 00.09 -42 35 51.6
Date first 1903 Date last 2015 Obs 12
Pa first 167 Pa last 171.2 P.A. Now (θ) 171.2°
Sep first 1.0 Sep last 0.717 Sep. Now (ρ) 0.717"
Mag pri 9.02 Mag sec 9.15 delta mag (ΔM) 0.13 Spectral class B9V (blue-white)
Pri motion ra -015 Sec motion ra -015
Pri motion dec +013 Sec motion dec +013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74370 Constellation Vela SAO 220299 HIP 42685
Tycho2 7683-00116-1 Gaia DR2 5524875367833661824 HD 74370 CD CD-42 4525
CP CP-42 2830 Distance 431.03 Distance ly 1406.02
 
 
WDS 08420-4236 I 315 (HD 74370) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08420-4236 I 315 1991 11 170 0.8 9.02 9.15 B9V D 084200.09-423551.6
08420-4236 I 315 2015 12 351 0.7 9.02 9.15 B9V 084200.09-423551.6

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

 
 
WDS 08420-4236 I 315 (HD 74370) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08420-4236 I 315 (HD 74370) : MEASURES
 
 
No records found.

 
 
WDS 08420-4236 (HD 74370) : VIRTUAL EYEPIECE
 
 

08420-4236 I 315A mag 9.02 Sp B9V 08420-4236 I 315B sep 0.7 P.A. 173.50 mag 9.15 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 08420-4236 (HD 74370) : ALADIN DSS IMAGE @ 08h 42m 00.09s -42° 35' 51.6"
 
 
 
 
WDS 08420-4236 I 315 (HD 74370) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08420-4236 I 315 distance=0' 08420-4227 TDS6047 distance=9' 08420-4225 DAM1471 distance=11' 08409-4232 BRT 741 distance=13' 08421-4256 LDS 230AB distance=20' 08421-4256 EGN 8AC distance=20' 08421-4256 EGN 8AD distance=20' 08430-4254 TDS6053 distance=21' 08404-4223 HDS1247Aa,Ab distance=23' 08404-4223 DUN 72A,BC distance=23' 08404-4223 HDS1248BC distance=24' 08436-4254 CPO 229 distance=26' 08444-4239 HJ 4133 distance=27' 08419-4206 TDS6045 distance=31' 08447-4238 CHR 238 distance=31' 08458-4237 CPO 231 distance=42' 08445-4200 SKF 485 distance=46' 08407-4149 CPO 224 distance=50' 08466-4234 JC 13 distance=51' 08466-4247 HDS1270 distance=52' 08375-4221 RST2573 distance=53' 08378-4303 TOI 601 distance=53' 08473-4236 JC 14 distance=59' 08366-4235 TDS5978 distance=60' 08469-4208 TDS6093 distance=62' 08372-4147 CPO 218 distance=73' 08446-4345 DON 278 distance=75' 08479-4321 DON 282 distance=78' 08383-4130 TDS6000 distance=78' 08449-4124 HDS1262 distance=79' 08479-4320 HDS1274 distance=80' 08362-4324 CPO9090AB distance=80' 08362-4324 CPO9090AC distance=80' 08485-4201 I 1512 distance=80' 08374-4135 RST2572 distance=80' 08348-4246 KPP2287 distance=80' 08474-4143 CPO 233 distance=81' 08477-4144 MUG 6AB distance=82' 08442-4116 SKF 64 distance=84' 08447-4117 WG 109DE distance=85' 08447-4117 WG 109EF distance=85' 08447-4117 I 815AB distance=85' 08447-4117 I 815AC distance=85' 08447-4117 I 815AD distance=85' 08403-4358 CPO 222 distance=85' 08497-4249 RSS 10 distance=86' 08479-4334 DON 283 distance=87' 08407-4108 WG 106 distance=89' 08356-4330 WFC 70 distance=89' 08371-4349 B 2183 distance=91' 08486-4138 TDS 494 distance=94' 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 08420-4236 I 315 171 0.7
Show 08420-4227 TDS6047 256 0.4 9
Show 08420-4225 DAM1471 122 16.3 11
Show 08409-4232 BRT 741 356 4.2 13
Show 08421-4256 LDS 230 AB 188 45.4 20
Show 08421-4256 EGN 8 AC 332 5.5 20
Show 08421-4256 EGN 8 AD 101 9.6 20
Show 08430-4254 TDS6053 143 1.2 21
Show 08404-4223 HDS1247 Aa,Ab 109 0.4 23
Show 08404-4223 DUN 72 A,BC 129.6 23
Show 08404-4223 HDS1248 BC 185 0.1 24
Show 08436-4254 CPO 229 219 6.5 26
Show 08444-4239 HJ 4133 64 45.7 27
Show 08419-4206 TDS6045 153 2.4 31
Show 08447-4238 CHR 238 22 0.1 31
Show 08458-4237 CPO 231 210 4.4 42
Show 08445-4200 SKF 485 349 11.0 46
Show 08407-4149 CPO 224 247 4.4 50
Show 08466-4234 JC 13 311 2.2 51
Show 08466-4247 HDS1270 122 0.4 52
Show 08375-4221 RST2573 234 5.1 53
Show 08378-4303 TOI 601 352 0.2 53
Show 08473-4236 JC 14 86 5.5 59
Show 08366-4235 TDS5978 3 2.0 60
Show 08469-4208 TDS6093 162 0.4 62
Show 08372-4147 CPO 218 175 6.9 73
Show 08446-4345 DON 278 355 0.4 75
Show 08479-4321 DON 282 180 2.4 78
Show 08383-4130 TDS6000 67 2.4 78
Show 08449-4124 HDS1262 204 0.3 79
Show 08479-4320 HDS1274 349 0.3 80
Show 08362-4324 CPO9090 AB 66 6.6 80
Show 08362-4324 CPO9090 AC 77 11.5 80
Show 08485-4201 I 1512 276 0.5 80
Show 08374-4135 RST2572 310 2.8 80
Show 08348-4246 KPP2287 31 19.3 80
Show 08474-4143 CPO 233 85 2.8 81
Show 08477-4144 MUG 6 AB 77 21.3 82
Show 08442-4116 SKF 64 111 4.3 84
Show 08447-4117 WG 109 DE 326 10.3 85
Show 08447-4117 WG 109 EF 7 10.0 85
Show 08447-4117 I 815 AB 1 4.4 85
Show 08447-4117 I 815 AC 130 8.2 85
Show 08447-4117 I 815 AD 226 35.3 85
Show 08403-4358 CPO 222 4 4.6 85
Show 08497-4249 RSS 10 332 19.6 86
Show 08479-4334 DON 283 157 5.5 87
Show 08407-4108 WG 106 2 3.6 89
Show 08356-4330 WFC 70 6 7.2 89
Show 08371-4349 B 2183 138 5.8 91
Show 08486-4138 TDS 494 37 1.0 94

 
 
WDS 08420-4236 : COMPONENTS
 
 
  A
B pa=173.5°
sep=0.71"
 
 
08420-4236 A
 
 
Componente originario normalizzato AB Name HD 74370 Coord arcsec 2000 084200.09-423551.6 Mag 9.02
Spectral class B9V (blue-white) PmRA -15.00 PmDE 13.0 SAO 220299
HIP 42685 Tycho2 7683-00116-1 HD 74370 CD CD-42 4525
CP CP-42 2830
Tycho2
Tycho2 7683-00116-1 Pflag RAmdeg 130.50040286 DEmdeg -42.59776927
PmRA -14.7 PmDE 13.0 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.0 EpRAm 1991.12 EpDEm 1990.96
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 8.490 E BTmag 0.015 VTmag 8.518
E VTmag 0.013 Prox 591 TYC T HIP 42685
CCDM AB RAdeg 130.50044944 DEdeg -42.59779944 EpRA 1990 1.58
EpDE 1990 1.71 E RAdeg 6.1 E DEdeg 5.7 Posflg P
Corr 0.0
SAO
SAO 220299 DelFlag RA1950 PmRA1950 -0.0028
DE1950 PmDE1950 0.005 Vmag 9 SpType A0
Double code Source 48 CatNum 6354 DM CP-42 2830
DMcomp BDsup HD 74370 M HD 0
GC RA1950rad 2.26987743 DE1950rad -0.74033418 PmRA2000 -0.0022
PmDE2000 0.007
Hipparcos
Catalog H HIP 42685 Proxy H RAhms 08 42 00.10
DEdms -42 35 51.7 Vmag 8.38 VarFlag R Vmag H
RAdeg 130.5 DEdeg -42.5977 AstroRef A Plx 3
CCDM 08420-4236 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 171 Rho 0.782 HD 74370 BD
CD CD-42 4525 CP CP-42 2830 Dm number -42 4525 VIred -0.01
SpType B9V R SpType Coord arcsec 2000 084200.10-423551.7
Hipparcos 2
HIP 42685 Sn 15 So 3 Nc 2
RArad 2.2776621638 DErad -0.743470083 Plx 2.32 PmRA -12.63
PmDE 9.09 E RArad 0.83 E DErad 1.58 E Plx 1.33
E pmRA 1.01 E pmDE 2.34 Hpmag 8.3825 E Hpmag 0.0015
SHp 0.014 VA 0 BV -0.019 E BV 0.016
VI 0
CCDM
Ccdm 08420-4236 RComp Comp A Note1
Note2 Discov num DRAs -0.04 DDEs 7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp A0 PmNote *
PmRA -31 PmDE 5 Dm number -42 4525 Cat1 CD
Name2 220299 Cat2 SAO HD 74370 M HD
ADS BDS M ADS BDS N IDS IDS 08384S4214A
HIC 42685
 
 
08420-4236 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084200.10-423552.3 Mag 9.15 PmRA -15.00
PmDE 13.0 Calc delta mag 0.13 Calc coord yes
CCDM
Ccdm 08420-4236 RComp Comp B Note1
Note2 Discov num I 315 DRAs DDEs
R dRAs Year 1903 Theta 171 Rho 0.9
Obs 6 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08384S4214B
HIC 42685