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Doubles in session


Current system
08398-6604
HDS 1245
HD 74376


Nearby doubles
33' : 08445-6550
EHR 12AB

34' : 08367-6537
RST 338

39' : 08345-6625
RST 337

39' : 08421-6528
KPP 180

40' : 08463-6603
DAM1483

40' : 08465-6605
RST 354

46' : 08446-6529
KPP1632

62' : 08314-6531
TOK 712

66' : 08484-6526
HRG 19

68' : 08483-6648
TVB 201

69' : 08334-6701
MLO 29

72' : 08464-6505
TDS6088

78' : 08273-6615
BRT1971

78' : 08375-6720
LDS 229

78' : 08506-6648
HDO 206

79' : 08528-6609
TSN 148

80' : 08268-6600
SWR 45

89' : 08297-6708
HJ 4110AB

89' : 08526-6524
TDS6155

91' : 08376-6435
KPP2894

93' : 08546-6628
RST 364AB

93' : 08547-6624
SKF 62

96' : 08539-6648
EGN 9

98' : 08483-6728
DON 287

99' : 08261-6659
UC 1672AB

104' : 08358-6745
TDS5964



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.

08398-6604 HDS 1245 (HD 74376)

 
 
08h 39m 50.85s -66° 04' 16.7" P.A. 51.00 sep 0.2 mag 10.07,11.83 Sp K1V: dist. 60.17 pc (196.27 l.y.)
 
 
Coord 2000 08398-6604 Discov num HDS1245 Comp Coord arcsec 2000 08 39 50.85 -66 04 16.7
Date first 1991 Date last 2020 Obs 16
Pa first 36 Pa last 51.2 P.A. Now (θ) 51.2°
Sep first 0.2 Sep last 0.213 Sep. Now (ρ) 0.213"
Mag pri 10.07 Mag sec 11.83 delta mag (ΔM) 1.76 Spectral class K1V: (yellow-orange)
Pri motion ra +092 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74376 Constellation Volans HIP 42496 Tycho2 8938-01713-1
Gaia DR2 5273164484424164224 HD 74376 CP CP-65 989 Distance 60.17
Distance ly 196.27
 
 
ORBITAL ELEMENTS
 
 
Period (P)33.84y± 0.9 Periastron (T)2013.175y± 0.055 Semi-major axis (a)0.2118a± 0.0059
Eccentricity (e)0.781± 0.013 Inclination (i)129.5°± 2.6 Longitude of periastron (ω)97.3°± 1.7
Node (Ω)299.6°± 1.8 Notes ReferenceTok2016e
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 6.3 0.243
2001 3.1 0.242
2002 359.8 0.239
2003 356.4 0.235
2004 352.9 0.230
2005 349.2 0.224
2006 345.3 0.215
2007 341.0 0.205
2008 336.3 0.193
2009 330.7 0.177
2010 324.0 0.157
2011 314.8 0.130
2012 299.2 0.091
2013 234.3 0.032
2014 120.6 0.074
2015 98.3 0.111
2016 85.8 0.135
2017 76.7 0.153
2018 69.3 0.167
2019 63.0 0.179
2020 57.4 0.190
2021 52.4 0.199
2022 47.8 0.207
2023 43.5 0.214
2024 39.4 0.220
2025 35.6 0.226
2026 32.0 0.230
2027 28.5 0.234
2028 25.1 0.238
2029 21.8 0.241
2030 18.5 0.243


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds08398-6604a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08398-6604 HDS 1245 (HD 74376) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2016e orb - Tokovinin, A. 2016AJ....152..138T
Tok2016e AJ 152, 138, 2016
 
 
DISCOVERER
 
 
idgroup discov author
1 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
08398-6604 HDS1245 1991 1 36 0.2 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2009 2 329 0.2 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2010 4 305 0.1 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2015 9 98 0.1 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2016 13 78 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2018 14 68 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2019 15 61 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2020 16 51 0.2 10.07 11.83 K1V: O 083950.85-660416.7

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

 
 
WDS 08398-6604 HDS 1245 (HD 74376) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08398-6604 HDS 1245 (HD 74376) : MEASURES
 
 
No records found.

 
 
WDS 08398-6604 (HD 74376) : VIRTUAL EYEPIECE
 
 

08398-6604 HDS1245A mag 10.07 Sp K1V: 08398-6604 HDS1245B sep 0.1 P.A. 26.80 mag 11.83 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 08398-6604 (HD 74376) : ALADIN DSS IMAGE @ 08h 39m 50.85s -66° 04' 16.7"
 
 
 
 
WDS 08398-6604 HDS 1245 (HD 74376) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08398-6604 HDS1245 distance=1' 08445-6550 EHR 12AB distance=33' 08445-6550 EHR 12AC distance=33' 08445-6550 TOK 520AD distance=33' 08367-6537 RST 338 distance=34' 08345-6625 RST 337 distance=39' 08421-6528 KPP 180 distance=39' 08463-6603 DAM1483 distance=40' 08465-6605 RST 354 distance=40' 08446-6529 KPP1632 distance=46' 08314-6531 TOK 712 distance=62' 08484-6526 HRG 19 distance=66' 08483-6648 TVB 201 distance=68' 08334-6701 MLO 29 distance=69' 08464-6505 TDS6088 distance=72' 08273-6615 BRT1971 distance=78' 08375-6720 LDS 229 distance=78' 08506-6648 HDO 206 distance=78' 08528-6609 TSN 148 distance=79' 08268-6600 SWR 45 distance=80' 08297-6708 HDS1215Aa,Ab distance=89' 08297-6708 HJ 4110AB distance=89' 08297-6708 HDS1215Aa,C distance=89' 08526-6524 TDS6155 distance=89' 08376-6435 KPP2894 distance=91' 08546-6628 RST 364AB distance=93' 08547-6624 SKF 62 distance=93' 08539-6648 EGN 9 distance=96' 08483-6728 DON 287 distance=98' 08261-6659 DON 254Aa,Ab distance=99' 08261-6659 UC 1672AB distance=99' 08358-6745 TDS5964 distance=104' 08343-6426 KPP 756 distance=104' 08228-6610 UC 1666 distance=104' 08574-6612 HJ 4164 distance=107' 08432-6419 RST 348 distance=108' 08553-6701 TDS6185 distance=109' 08256-6714 DON 252 distance=110' 08220-6545 TDS5767 distance=112' 08566-6704 TDS6206 distance=117' 08235-6711 UC 1667 distance=119' 08214-6648 DON 247 distance=119' 08516-6421 RST 360 distance=128' 08308-6802 DON 259 distance=130' 08219-6720 HDS1189 distance=131' 08238-6742 TDS5787 distance=136' 08449-6817 DON 281AB distance=137' 08449-6817 HLN 12AC distance=137' 08253-6754 DON 251 distance=139' 08432-6822 SPM 24 distance=140' 08452-6823 DAM 478 distance=142' 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 08398-6604 HDS1245 51 0.2 1
Show 08445-6550 EHR 12 AB 334 4.5 33
Show 08445-6550 EHR 12 AC 192 14.2 33
Show 08445-6550 TOK 520 AD 142 999.9 33
Show 08367-6537 RST 338 249 1.0 34
Show 08345-6625 RST 337 39 0.5 39
Show 08421-6528 KPP 180 266 3.7 39
Show 08463-6603 DAM1483 111 5.2 40
Show 08465-6605 RST 354 197 1.1 40
Show 08446-6529 KPP1632 140 12.5 46
Show 08314-6531 TOK 712 193 0.1 62
Show 08484-6526 HRG 19 183 4.6 66
Show 08483-6648 TVB 201 293 6.2 68
Show 08334-6701 MLO 29 130 10.0 69
Show 08464-6505 TDS6088 304 0.8 72
Show 08273-6615 BRT1971 18 5.6 78
Show 08375-6720 LDS 229 99 15.9 78
Show 08506-6648 HDO 206 237 36.7 78
Show 08528-6609 TSN 148 46 0.3 79
Show 08268-6600 SWR 45 310 24.6 80
Show 08297-6708 HDS1215 Aa,Ab 84 0.1 89
Show 08297-6708 HJ 4110 AB 211 26.2 89
Show 08297-6708 HDS1215 Aa,C 64 1.1 89
Show 08526-6524 TDS6155 306 0.4 89
Show 08376-6435 KPP2894 281 9.4 91
Show 08546-6628 RST 364 AB 67 2.0 93
Show 08547-6624 SKF 62 345 29.9 93
Show 08539-6648 EGN 9 209 5.0 96
Show 08483-6728 DON 287 34 3.2 98
Show 08261-6659 DON 254 Aa,Ab 96 0.9 99
Show 08261-6659 UC 1672 AB 264 60.4 99
Show 08358-6745 TDS5964 63 0.5 104
Show 08343-6426 KPP 756 175 6.6 104
Show 08228-6610 UC 1666 333 32.9 104
Show 08574-6612 HJ 4164 145 10.4 107
Show 08432-6419 RST 348 320 0.6 108
Show 08553-6701 TDS6185 222 2.0 109
Show 08256-6714 DON 252 247 0.9 110
Show 08220-6545 TDS5767 148 2.3 112
Show 08566-6704 TDS6206 342 0.4 117
Show 08235-6711 UC 1667 322 53.0 119
Show 08214-6648 DON 247 155 1.9 119
Show 08516-6421 RST 360 178 4.6 128
Show 08308-6802 DON 259 286 0.3 130
Show 08219-6720 HDS1189 253 0.3 131
Show 08238-6742 TDS5787 97 0.7 136
Show 08449-6817 DON 281 AB 180 12.4 137
Show 08449-6817 HLN 12 AC 195 15.4 137
Show 08253-6754 DON 251 64 0.4 139
Show 08432-6822 SPM 24 159 15.0 140
Show 08452-6823 DAM 478 341 7.6 142

 
 
WDS 08398-6604 : COMPONENTS
 
 
  A
B pa=26.8°
sep=0.15"
 
 
08398-6604 A
 
 
Componente originario normalizzato AB Name HD 74376 Coord arcsec 2000 083950.85-660416.7 Mag 10.07
Spectral class K1V: (yellow-orange) PmRA 92.00 PmDE -38.0 HIP 42496
Tycho2 8938-01713-1 HD 74376 CP CP-65 989
Tycho2
Tycho2 8938-01713-1 Pflag RAmdeg 129.96242587 DEmdeg -66.07139774
PmRA 88.6 PmDE -34.0 E RAmdeg 18 E DEmdeg 18
E pmRA 1.9 E pmDE 1.6 EpRAm 1989.42 EpDEm 1987.25
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.8 Q pmRA 0.7
Q pmDE 1.8 BTmag 10.811 E BTmag 0.041 VTmag 9.798
E VTmag 0.025 Prox 999 TYC T HIP 42496
CCDM AB RAdeg 129.96191889 DEdeg -66.07131861 EpRA 1990 1.68
EpDE 1990 1.68 E RAdeg 18.9 E DEdeg 19.8 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 42496 Proxy H RAhms 08 39 50.85
DEdms -66 04 16.7 Vmag 9.73 VarFlag R Vmag H
RAdeg 129.962 DEdeg -66.0713 AstroRef * Plx 15.99
CCDM 08398-6604 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 36 Rho 0.225 HD 74376 BD
CD CP CP-65 989 Dm number -65 989 VIred 0.91
SpType K1V: R SpType Coord arcsec 2000 083950.85-660416.7
Hipparcos 2
HIP 42496 Sn 55 So 3 Nc 2
RArad 2.2682626975 DErad -1.1531619898 Plx 16.62 PmRA 92.15
PmDE -36.73 E RArad 1.04 E DErad 0.97 E Plx 1.11
E pmRA 1.23 E pmDE 1.2 Hpmag 9.8757 E Hpmag 0.0025
SHp 0.022 VA 0 BV 0.924 E BV 0.045
VI 0.97
CCDM
Ccdm 08398-6604 RComp Comp A Note1
Note2 Discov num DRAs 2.98 DDEs -17.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.1 Sp K1 PmNote *
PmRA 92 PmDE -38 Dm number -65 989 Cat1 CPD
Name2 Cat2 HD 74376 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 42496
 
 
08398-6604 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 083950.86-660416.6 Mag 11.83 Calc delta mag 1.76
Calc coord yes
CCDM
Ccdm 08398-6604 RComp Comp B Note1
Note2 Discov num HDS DRAs 3.00 DDEs -16.9
R dRAs 82 Year 1991 Theta 36 Rho 0.2
Obs 1 Vmag 11.8 Sp PmNote *
PmRA 92 PmDE -38 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 42496