16048-4044 I 1284 (HD 143941)

 
 
16h 04m 50.75s -40° 44' 15.5" P.A. 62.00 sep 0.2 mag 8.50,8.80 Sp F7V dist. 366.3 pc (1194.87 l.y.)
 
 
Coord 2000 16048-4044 Discov num I  1284 Comp Coord arcsec 2000 16 04 50.75 -40 44 15.5
Date first 1928 Date last 2021 Obs 9
Pa first 97 Pa last 61.9 P.A. Now (θ) 61.9°
Sep first 0.3 Sep last 0.15 Sep. Now (ρ) 0.15"
Mag pri 8.50 Mag sec 8.80 delta mag (ΔM) 0.3 Spectral class F7V (yellow-white)
Pri motion ra -013 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 143941 Constellation Lupus SAO 226488 HIP 78765
Tycho2 7855-00930-1 Gaia DR2 5996831633044142208 HD 143941 CD CD-4010171
CP CP-40 7195 Distance 366.3 Distance ly 1194.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)240y Periastron (T)1955.76y Semi-major axis (a)0.301a
Eccentricity (e)0.8 Inclination (i)79.6° Longitude of periastron (ω)122.9°
Node (Ω)94.3° Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 36.2 0.081
2001 38.4 0.084
2002 40.4 0.087
2003 42.3 0.090
2004 44.1 0.093
2005 45.7 0.096
2006 47.3 0.099
2007 48.7 0.103
2008 50.1 0.106
2009 51.4 0.109
2010 52.6 0.113
2011 53.7 0.116
2012 54.7 0.120
2013 55.7 0.123
2014 56.7 0.126
2015 57.6 0.130
2016 58.4 0.133
2017 59.2 0.137
2018 60.0 0.140
2019 60.7 0.144
2020 61.4 0.147
2021 62.1 0.150
2022 62.7 0.154
2023 63.3 0.157
2024 63.9 0.161
2025 64.5 0.164
2026 65.0 0.167
2027 65.5 0.171
2028 66.0 0.174
2029 66.5 0.177
2030 67.0 0.181


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



 
 


wds16048-4044a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 16048-4044 I 1284 (HD 143941) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16048-4044 I 1284 1989 6 1 0.1 8.50 8.80 F7V 160450.75-404415.5
16048-4044 I 1284 2008 7 231 0.1 8.50 8.80 F7V 160450.75-404415.5
16048-4044 I 1284 2012 8 235 0.1 8.50 8.80 F7V 160450.75-404415.5
16048-4044 I 1284 2018 8 60 0.1 8.50 8.80 F7V 160450.75-404415.5
16048-4044 I 1284 2021 9 62 0.2 8.50 8.80 F7V 160450.75-404415.5

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

 
 
WDS 16048-4044 I 1284 (HD 143941) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16048-4044 I 1284 (HD 143941) : MEASURES
 
 
No records found.

 
 
WDS 16048-4044 (HD 143941) : VIRTUAL EYEPIECE
 
 

16048-4044 I  1284A mag 8.5 Sp F7V 16048-4044 I  1284B sep 0.1 P.A. 54.80 mag 8.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 16048-4044 (HD 143941) : ALADIN DSS IMAGE @ 16h 04m 50.75s -40° 44' 15.5"
 
 
 
 
WDS 16048-4044 I 1284 (HD 143941) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


16048-4044  I  1284 distance=0' 16051-4037  NSN 387 distance=9' 16064-4052  KPP 773 distance=20' 16048-4024  SEE 262 distance=21' 16067-4038  B  2799 distance=23' 16065-4027  RST1876 distance=26' 16073-4047  I  1287 distance=29' 16063-4021  RST1875 distance=29' 16080-4038  I  1288 distance=37' 16009-4026  I  1280AB distance=49' 16009-4026  COO 190AB,C distance=49' 16086-4016  GHE  44 distance=52' 16011-4114  RST1871 distance=53' 16058-3951  I  1285AB distance=55' 16058-3951  KOU  50AC distance=55' 16041-4143  HDS2266 distance=59' 15595-4052  JNN 216 distance=62' 16059-3944  I  1286 distance=62' 16102-4008  I  1082AB distance=71' 16102-4008  DAW 145AB,C distance=71' 16102-4008  I  1082AD distance=71' 16109-4026  RST1881 distance=72' 15586-4024  BRT 872 distance=74' 16005-4144  GHE  40 distance=77' 16047-3926  I   373 distance=79' 15578-4100  SEE 252AB distance=82' 15578-4100  SEE 252AB,C distance=82' 15574-4102  TDS9704 distance=86' 15568-4058  WFC 171 distance=92' 16072-3911  GHE  42 distance=97' 16084-4213  RST1879 distance=98' 15572-4130  HDS2245 distance=98' 16097-3920  REP  32AB distance=102' 16097-3920  KRS   3Ba,Bb distance=102' 15581-4152  BRR  14 distance=102' 16082-3909  GHE  43 distance=104' 15568-4133  KPP 790 distance=104' 16072-3904  GHE  41AB distance=105' 16072-3904  GHE  41AC distance=105' 16070-3902  REP  29 distance=105' 16086-3906  RST3930CD distance=107' 16085-3906  REP  30 distance=108' 16087-3906  REP  31 distance=108' 16086-3906  SEE 265AB distance=108' 16086-3906  DUN 199AC distance=108' 15565-4141  RST1866AB distance=110' 16084-4229  BRT 875 distance=113' 15561-3952  HDO 252 distance=113' 15587-3910  HJ 4822 distance=119' 16090-3853  SHN 210 distance=122' 15577-3915  WG  185 distance=122' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 16048-4044 I 1284 62 0.2
Show 16051-4037 NSN 387 219 1.1 9
Show 16064-4052 KPP 773 257 6.7 20
Show 16048-4024 SEE 262 327 1.3 21
Show 16067-4038 B 2799 83 10.2 23
Show 16065-4027 RST1876 139 0.1 26
Show 16073-4047 I 1287 253 0.2 29
Show 16063-4021 RST1875 344 1.8 29
Show 16080-4038 I 1288 269 0.7 37
Show 16009-4026 I 1280 AB 245 1.3 49
Show 16009-4026 COO 190 AB,C 159 8.0 49
Show 16086-4016 GHE 44 322 11.3 52
Show 16011-4114 RST1871 309 1.3 53
Show 16058-3951 I 1285 AB 270 2.0 55
Show 16058-3951 KOU 50 AC 81 7.2 55
Show 16041-4143 HDS2266 71 0.2 59
Show 15595-4052 JNN 216 111 3.5 62
Show 16059-3944 I 1286 139 4.5 62
Show 16102-4008 I 1082 AB 265 0.1 71
Show 16102-4008 DAW 145 AB,C 141 2.6 71
Show 16102-4008 I 1082 AD 97 37.8 71
Show 16109-4026 RST1881 340 2.9 72
Show 15586-4024 BRT 872 169 3.3 74
Show 16005-4144 GHE 40 321 14.8 77
Show 16047-3926 I 373 217 8.7 79
Show 15578-4100 SEE 252 AB 281 0.4 82
Show 15578-4100 SEE 252 AB,C 218 18.6 82
Show 15574-4102 TDS9704 211 2.3 86
Show 15568-4058 WFC 171 349 9.4 92
Show 16072-3911 GHE 42 186 18.5 97
Show 16084-4213 RST1879 197 0.7 98
Show 15572-4130 HDS2245 218 6.5 98
Show 16097-3920 REP 32 AB 27 1.7 102
Show 16097-3920 KRS 3 Ba,Bb 143 0.0 102
Show 15581-4152 BRR 14 289 0.6 102
Show 16082-3909 GHE 43 359 16.6 104
Show 15568-4133 KPP 790 100 6.8 104
Show 16072-3904 GHE 41 AB 121 8.9 105
Show 16072-3904 GHE 41 AC 160 16.5 105
Show 16070-3902 REP 29 35 1.5 105
Show 16086-3906 RST3930 CD 111 1.5 107
Show 16085-3906 REP 30 303 0.8 108
Show 16087-3906 REP 31 24 4.0 108
Show 16086-3906 SEE 265 AB 297 16.3 108
Show 16086-3906 DUN 199 AC 184 44.4 108
Show 15565-4141 RST1866 AB 50 3.0 110
Show 16084-4229 BRT 875 67 3.9 113
Show 15561-3952 HDO 252 315 29.8 113
Show 15587-3910 HJ 4822 271 9.8 119
Show 16090-3853 SHN 210 -1 0.1 122
Show 15577-3915 WG 185 39 5.9 122

 
 
WDS 16048-4044 : COMPONENTS
 
 
  A
B pa=54.8°
sep=0.12"
 
 
16048-4044 A
 
 
Componente originario normalizzato AB Name HD 143941 Coord arcsec 2000 160450.75-404415.5 Mag 8.5
Spectral class F7V (yellow-white) PmRA -13.00 PmDE -17.0 SAO 226488
HIP 78765 Tycho2 7855-00930-1 HD 143941 CD CD-4010171
CP CP-40 7195
Tycho2
Tycho2 7855-00930-1 Pflag RAmdeg 241.21144857 DEmdeg -40.73767169
PmRA -6.4 PmDE -8.2 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.99 EpDEm 1990.55
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.813 E BTmag 0.018 VTmag 7.931
E VTmag 0.012 Prox 999 TYC T HIP 78765
CCDM RAdeg 241.21146806 DEdeg -40.73765250 EpRA 1990 1.72
EpDE 1990 1.54 E RAdeg 5.7 E DEdeg 6.6 Posflg
Corr 0.1
SAO
SAO 226488 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.018 Vmag 8.5 SpType F8
Double code Source 48 CatNum 14342 DM CP-40 7195
DMcomp BDsup HD 143941 M HD 0
GC RA1950rad 4.1951133 DE1950rad -0.70863691 PmRA2000 0.0006
PmDE2000 -0.016
Hipparcos
Catalog H HIP 78765 Proxy RAhms 16 04 50.75
DEdms -40 44 15.5 Vmag 7.83 VarFlag R Vmag H
RAdeg 241.211 DEdeg -40.7377 AstroRef Plx 3.05
CCDM 16048-4044 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 143941 BD
CD CD-4010171 CP CP-40 7195 Dm number -4010171 VIred 0.83
SpType F7V R SpType Coord arcsec 2000 160450.75-404415.5
Hipparcos 2
HIP 78765 Sn 5 So 0 Nc 1
RArad 4.2099343004 DErad -0.7110061603 Plx 2.73 PmRA -6.23
PmDE -5.74 E RArad 0.69 E DErad 0.44 E Plx 0.83
E pmRA 0.81 E pmDE 0.61 Hpmag 7.9709 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.761 E BV 0.012
VI 0.8
CCDM
Ccdm 16048-4044 RComp Comp A Note1
Note2 Discov num DRAs 2.81 DDEs -16.3
R dRAs 41 Year Theta Rho
Obs 2 Vmag 8.5 Sp F8 PmNote *
PmRA 7 PmDE -18 Dm number -4010171 Cat1 CD
Name2 226488 Cat2 SAO HD 143941 M HD
ADS BDS M ADS BDS N IDS IDS 15581S4028A
HIC 78765
 
 
16048-4044 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 160450.76-404415.4 Mag 8.8 Calc delta mag 0.3
Calc coord yes
CCDM
Ccdm 16048-4044 RComp Comp B Note1
Note2 Discov num I 1284 DRAs DDEs
R dRAs Year 1931 Theta 092 Rho 0.2
Obs 4 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15581S4028B
HIC 78765