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Doubles in session


Current system
08421-4256
LDS 230 AB


Nearby doubles
10' : 08430-4254
TDS6053

16' : 08436-4254
CPO 229

20' : 08420-4236
I 315

27' : 08409-4232
BRT 741

29' : 08420-4227
TDS6047

31' : 08444-4239
HJ 4133

31' : 08420-4225
DAM1471

34' : 08447-4238
CHR 238

45' : 08458-4237
CPO 231

48' : 08378-4303
TOI 601

50' : 08466-4247
HDS1270

50' : 08419-4206
TDS6045

54' : 08466-4234
JC 13

57' : 08446-4345
DON 278

61' : 08473-4236
JC 14

62' : 08445-4200
SKF 485

62' : 08375-4221
RST2573

65' : 08366-4235
TDS5978

66' : 08403-4358
CPO 222

67' : 08479-4321
DON 282

69' : 08479-4320
HDS1274

69' : 08407-4149
CPO 224

71' : 08362-4324
CPO9090AB

72' : 08469-4208
TDS6093

74' : 08479-4334
DON 283

77' : 08372-4349
TOK 957



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08421-4256 LDS 230 AB

 
 
08h 42m 07.53s -42° 55' 45.9" P.A. 188.00 sep 45.4 mag 8.20,12.64 Sp M1: dist. 22.87 pc (74.6 l.y.)
 
 
Coord 2000 08421-4256 Discov num LDS 230 Comp AB Coord arcsec 2000 08 42 07.53 -42 55 45.9
Date first 1920 Date last 2016 Obs 9
Pa first 225 Pa last 187.5 P.A. Now (θ) 187.5°
Sep first 46.0 Sep last 45.411 Sep. Now (ρ) 45.411"
Mag pri 8.20 Mag sec 12.64 delta mag (ΔM) 4.44 Spectral class M1: (red)
Pri motion ra -240 Sec motion ra
Pri motion dec -086 Sec motion dec
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
08421-4256 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 220304 08 42 08 -42 55 46 LDS 230 AB 2016 9 188 45.4 8.20 12.64 4.44 <===
Show HD 74385 220304 08 42 08 -42 55 46 EGN 8 AC 2005 4 332 5.5 5.88 11.00 5.12
Show 220304 08 42 08 -42 55 46 EGN 8 AD 2005 2 101 9.6 5.88 12.90 7.02
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela SAO 220304 HIP 42697 Tycho2 7683-00870-1
Gaia DR2 5524815861065005696 HD 74385 CD CD-42 4528 CP CP-42 2834
Distance 22.87 Distance ly 74.6
 
 
WDS 08421-4256 LDS 230 AB : NOTES
 
 
discov_num notes refcode
EGN 8 C and D components are both background stars. Egn2007
 
 
REFERENCES
 
 
refcode metd author reference
Egn2007 Ao j Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan, 2007A&A...474..273E
Egn2007 D., & Mayor, M.
Egn2007 A&A 474, 273, 2007
 
 
DISCOVERER
 
 
discov author
EGN Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan,
EGN D., & Mayor, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
08421-4256 LDS 230 AB 1960 2 188 45.0 8.13 14.40 K1V -42 4528 NV 084207.73-425545.2
08421-4256 LDS 230 AB 1999 4 188 45.6 12.60 14.40 M1: -42 4528 NV 084207.73-425545.2
08421-4256 LDS 230 AB 2015 6 188 45.4 8.20 12.64 M1: -42 4528 NV 084207.53-425545.9
08421-4256 LDS 230 AB 2016 9 188 45.4 8.20 12.64 M1: -42 4528 NV 084207.53-425545.9

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

 
 
WDS 08421-4256 LDS 230 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08421-4256 LDS 230 AB : MEASURES
 
 
No records found.

 
 
WDS 08421-4256 : VIRTUAL EYEPIECE
 
 

08421-4256 LDS 230A mag 8.2 Sp M1: 08421-4256 LDS 230B sep 45.4 P.A. 187.50 mag 12.64 08421-4256 EGN 8C sep 5.5 P.A. 331.50 mag 11 08421-4256 EGN 8D sep 9.6 P.A. 100.80 mag 12.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08421-4256 : ALADIN DSS IMAGE @ 08h 42m 07.53s -42° 55' 45.9"
 
 
 
 
WDS 08421-4256 LDS 230 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08421-4256 LDS 230AB distance=0' 08430-4254 TDS6053 distance=10' 08436-4254 CPO 229 distance=16' 08420-4236 I 315 distance=20' 08409-4232 BRT 741 distance=27' 08420-4227 TDS6047 distance=29' 08444-4239 HJ 4133 distance=31' 08420-4225 DAM1471 distance=31' 08447-4238 CHR 238 distance=34' 08404-4223 HDS1247Aa,Ab distance=38' 08404-4223 DUN 72A,BC distance=38' 08404-4223 HDS1248BC distance=40' 08458-4237 CPO 231 distance=45' 08378-4303 TOI 601 distance=48' 08466-4247 HDS1270 distance=50' 08419-4206 TDS6045 distance=50' 08466-4234 JC 13 distance=54' 08446-4345 DON 278 distance=57' 08473-4236 JC 14 distance=61' 08445-4200 SKF 485 distance=62' 08375-4221 RST2573 distance=62' 08366-4235 TDS5978 distance=65' 08403-4358 CPO 222 distance=66' 08479-4321 DON 282 distance=67' 08479-4320 HDS1274 distance=69' 08407-4149 CPO 224 distance=69' 08362-4324 CPO9090AB distance=71' 08362-4324 CPO9090AC distance=71' 08469-4208 TDS6093 distance=72' 08479-4334 DON 283 distance=74' 08372-4349 TOK 957 distance=77' 08466-4355 VI 5PA distance=77' 08466-4355 VI 5PB distance=77' 08466-4355 VI 5PC distance=77' 08371-4349 B 2183 distance=77' 08440-4411 WFC 74 distance=78' 08356-4330 WFC 70 distance=80' 08416-4415 HU 1442 distance=80' 08348-4246 KPP2287 distance=82' 08497-4249 RSS 10 distance=84' 08358-4345 B 1617 distance=85' 08372-4147 CPO 218 distance=88' 08479-4357 TDS6105 distance=88' 08485-4201 I 1512 distance=89' 08350-4341 B 1616 distance=91' 08501-4327 TDS6122 distance=93' 08360-4359 TDS5969 distance=93' 08336-4259 KPP2523 distance=94' 08474-4143 CPO 233 distance=94' 08477-4144 MUG 6AB distance=95' 08444-4428 HDS1256 distance=96' 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 08421-4256 LDS 230 AB 188 45.4 0
Show 08421-4256 EGN 8 AC 332 5.5 0
Show 08421-4256 EGN 8 AD 101 9.6 0
Show 08430-4254 TDS6053 143 1.2 10
Show 08436-4254 CPO 229 219 6.5 16
Show 08420-4236 I 315 171 0.7 20
Show 08409-4232 BRT 741 356 4.2 27
Show 08420-4227 TDS6047 256 0.4 29
Show 08444-4239 HJ 4133 64 45.7 31
Show 08420-4225 DAM1471 122 16.3 31
Show 08447-4238 CHR 238 94 0.1 34
Show 08404-4223 HDS1247 Aa,Ab 109 0.4 38
Show 08404-4223 DUN 72 A,BC 0 129.6 38
Show 08404-4223 HDS1248 BC 185 0.1 40
Show 08458-4237 CPO 231 210 4.4 45
Show 08378-4303 TOI 601 352 0.2 48
Show 08466-4247 HDS1270 122 0.4 50
Show 08419-4206 TDS6045 153 2.4 50
Show 08466-4234 JC 13 311 2.2 54
Show 08446-4345 DON 278 355 0.4 57
Show 08473-4236 JC 14 86 5.5 61
Show 08445-4200 SKF 485 349 11.0 62
Show 08375-4221 RST2573 234 5.1 62
Show 08366-4235 TDS5978 3 2.0 65
Show 08403-4358 CPO 222 4 4.6 66
Show 08479-4321 DON 282 180 2.4 67
Show 08479-4320 HDS1274 349 0.3 69
Show 08407-4149 CPO 224 247 4.4 69
Show 08362-4324 CPO9090 AB 66 6.6 71
Show 08362-4324 CPO9090 AC 77 11.5 71
Show 08469-4208 TDS6093 162 0.4 72
Show 08479-4334 DON 283 157 5.5 74
Show 08372-4349 TOK 957 108 0.1 77
Show 08466-4355 VI 5 PA 46 10.3 77
Show 08466-4355 VI 5 PB 46 10.3 77
Show 08466-4355 VI 5 PC 123 2.8 77
Show 08371-4349 B 2183 138 5.8 77
Show 08440-4411 WFC 74 214 5.4 78
Show 08356-4330 WFC 70 6 7.2 80
Show 08416-4415 HU 1442 158 1.6 80
Show 08348-4246 KPP2287 31 19.3 82
Show 08497-4249 RSS 10 332 19.6 84
Show 08358-4345 B 1617 115 0.2 85
Show 08372-4147 CPO 218 175 6.9 88
Show 08479-4357 TDS6105 128 0.5 88
Show 08485-4201 I 1512 276 0.5 89
Show 08350-4341 B 1616 93 0.3 91
Show 08501-4327 TDS6122 125 2.4 93
Show 08360-4359 TDS5969 136 0.5 93
Show 08336-4259 KPP2523 328 22.8 94
Show 08474-4143 CPO 233 85 2.8 94

 
 
WDS 08421-4256 : COMPONENTS
 
 
  A B C
B pa=187.5°
sep=45.41"
 
C pa=331.5°
sep=5.50"
pa=3.8°
sep=49.97"
 
D pa=100.8°
sep=9.57"
pa=19.5°
sep=45.87"
pa=118.9°
sep=13.73"
 
 
08421-4256 A
 
 
Coord arcsec 2000 084207.53-425545.9 Mag 8.2 Spectral class M1: (red) PmRA -240.00
PmDE -86.0 SAO 220304 HIP 42697 Tycho2 7683-00870-1
HD 74385 CD CD-42 4528 CP CP-42 2834
Tycho2
Tycho2 7683-00870-1 Pflag RAmdeg 130.53131841 DEmdeg -42.92943879
PmRA -269.7 PmDE -86.6 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1990.98 EpDEm 1991.00
Num 8 Q RAmdeg 2.0 Q DEmdeg 0.7 Q pmRA 2.1
Q pmDE 0.7 BTmag 9.263 E BTmag 0.018 VTmag 8.204
E VTmag 0.012 Prox 999 TYC T HIP 42697
CCDM RAdeg 130.53218000 DEdeg -42.92923917 EpRA 1990 1.59
EpDE 1990 1.71 E RAdeg 6.1 E DEdeg 5.9 Posflg
Corr 0.0
SAO
SAO 220304 DelFlag RA1950 PmRA1950 -0.0267
DE1950 PmDE1950 -0.086 Vmag 8.4 SpType K0
Double code Source 48 CatNum 6358 DM CP-42 2834
DMcomp BDsup HD 74385 M HD 0
GC RA1950rad 2.2705393 DE1950rad -0.74609326 PmRA2000 -0.0262
PmDE2000 -0.082
Hipparcos
Catalog H HIP 42697 Proxy RAhms 08 42 07.73
DEdms -42 55 45.2 Vmag 8.11 VarFlag R Vmag H
RAdeg 130.532 DEdeg -42.9292 AstroRef Plx 44.73
CCDM -269.32 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 74385 BD
CD CD-42 4528 CP CP-42 2834 Dm number -42 4528 VIred 0.96
SpType K2V R SpType Coord arcsec 2000 084207.73-425545.2
Hipparcos 2
HIP 42697 Sn 5 So 0 Nc 1
RArad 2.2782168868 DErad -0.7492563375 Plx 43.73 PmRA -269.82
PmDE -86.99 E RArad 0.42 E DErad 0.44 E Plx 0.55
E pmRA 0.52 E pmDE 0.57 Hpmag E Hpmag 0.0016
SHp 0.017 VA 0 BV 0.904 E BV 0.002
VI 0.96
CCDM
Ccdm 08421-4256 RComp Comp A Note1
Note2 Discov num DRAs 1.26 DDEs 13.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp K0 PmNote *
PmRA -295 PmDE -86 Dm number -42 4528 Cat1 CD
Name2 220304 Cat2 SAO HD 74385 M HD
ADS BDS M ADS BDS N IDS IDS 08386S4234A
HIC 42697
 
 
08421-4256 B
 
 
Coord arcsec 2000 084206.99-425630.9 Mag 12.64 Delta magnitude 4.44 Coordinate calculated yes
CCDM
Ccdm 08421-4256 RComp Comp B Note1
Note2 Discov num LDS 230 DRAs 0.72 DDEs -31.0
R dRAs 66 Year Theta SP Rho 46.0
Obs Vmag 14.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08386S4234B
HIC
 
 
08421-4256 C
 
 
Coord arcsec 2000 084207.29-425541.1 Mag 11 Delta magnitude 2.8 Coordinate calculated yes
 
 
08421-4256 D
 
 
Coord arcsec 2000 084208.39-425547.7 Mag 12.9 Delta magnitude 4.7 Coordinate calculated yes