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Current system
16425-3705
R 283
HD 150420


Nearby doubles
23' : 16423-3643
BRT1702

37' : 16396-3716
RST3955

42' : 16391-3713
FIN 340AB

42' : 16404-3738
B 876

57' : 16422-3801
TDT 39

67' : 16438-3809
HDO 259

68' : 16421-3558
BRT1701

70' : 16482-3653
DUN 209AB

75' : 16486-3715
TOK 861

76' : 16387-3605
HDS2358

81' : 16359-3722
SKF2055

83' : 16356-3707
SEE 280

83' : 16458-3552
HDS2379

84' : 16456-3551
B 877

86' : 16432-3540
I 569

92' : 16466-3548
SKF2058

94' : 16409-3836
I 1299AB

98' : 16382-3542
NSN 389

105' : 16510-3731
HJ 4889

108' : 16499-3603
BRT1703

109' : 16453-3848
TOK 307AB

113' : 16439-3856
RST3957

114' : 16399-3516
LPO 58

115' : 16442-3857
TDS 834

121' : 16519-3750
DBR 258

121' : 16508-3815
SHT 71AB



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16425-3705 R 283 (HD 150420)

 
 
16h 42m 29.08s -37° 04' 45.7" P.A. 247.00 sep 0.8 mag 6.98,7.83 Sp G3III dist. 94.79 pc (309.2 l.y.)
 
 
Coord 2000 16425-3705 Discov num R   283 Comp Coord arcsec 2000 16 42 29.08 -37 04 45.7
Date first 1881 Date last 2019 Obs 46
Pa first 88 Pa last 247.1 P.A. Now (θ) 247.1°
Sep first 0.4 Sep last 0.847 Sep. Now (ρ) 0.847"
Mag pri 6.98 Mag sec 7.83 delta mag (ΔM) 0.85 Spectral class G3III (yellow)
Pri motion ra -028 Sec motion ra -028
Pri motion dec -089 Sec motion dec -089
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150420 Constellation Scorpius SAO 207943 HIP 81803
Tycho2 7358-00528-1 Gaia DR2 6019299599085388160 HD 150420 GC 22459
CD CD-3610916 CP CP-36 7024 Distance 94.79 Distance ly 309.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)691y Periastron (T)1965.72y Semi-major axis (a)1.3a
Eccentricity (e)0.656 Inclination (i)122° Longitude of periastron (ω)91.6°
Node (Ω)72.1° Notesn ReferenceAry2015b
Equinox2000 Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 255.0 0.684
2001 254.2 0.695
2002 253.5 0.706
2003 252.8 0.717
2004 252.1 0.727
2005 251.5 0.737
2006 250.8 0.747
2007 250.2 0.757
2008 249.6 0.766
2009 249.0 0.775
2010 248.4 0.784
2011 247.9 0.793
2012 247.3 0.802
2013 246.8 0.810
2014 246.2 0.818
2015 245.7 0.826
2016 245.2 0.834
2017 244.7 0.842
2018 244.2 0.849
2019 243.7 0.857
2020 243.2 0.864
2021 242.8 0.871
2022 242.3 0.877
2023 241.9 0.884
2024 241.4 0.890
2025 241.0 0.897
2026 240.5 0.903
2027 240.1 0.909
2028 239.7 0.915
2029 239.3 0.921
2030 238.9 0.926


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


 
  


wds16425-3705b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16425-3705 R 283 (HD 150420) : NOTES
 
 
discov_num notes refcode
R 283 Premature orbits have been computed.
 
 
REFERENCES
 
 
refcode metd author reference
Ary2015b Ma j Argyle, R.W., Alzner, A. & van Leeuwen, F. 2015AN....336..378S
Ary2015b +orb AN 336, 378, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 R Russell, H.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16425-3705 R 283 1996 35 255 0.7 6.98 7.83 G3III NOD 164229.08-370445.7
16425-3705 R 283 2009 38 250 0.8 6.98 7.83 G3III NOD 164229.08-370445.7
16425-3705 R 283 2014 39 247 0.8 6.98 7.83 G3III NO 164229.08-370445.7
16425-3705 R 283 2016 44 245 0.9 6.98 7.83 G3III NO 164229.08-370445.7
16425-3705 R 283 2018 45 245 0.9 6.98 7.83 G3III NO 164229.08-370445.7
16425-3705 R 283 2019 46 247 0.8 6.98 7.83 G3III NO 164229.08-370445.7

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

 
 
WDS 16425-3705 R 283 (HD 150420) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16425-3705 R 283 (HD 150420) : MEASURES
 
 
No records found.

 
 
WDS 16425-3705 (HD 150420) : VIRTUAL EYEPIECE
 
 

16425-3705 R 283A mag 6.98 Sp G3III 16425-3705 R 283B sep 0.7 P.A. 242.10 mag 7.83 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 16425-3705 (HD 150420) : ALADIN DSS IMAGE @ 16h 42m 29.08s -37° 04' 45.7"
 
 
 
 
WDS 16425-3705 R 283 (HD 150420) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16425-3705 R 283 distance=0' 16423-3643 BRT1702 distance=23' 16396-3716 RST3955 distance=37' 16391-3713 FIN 340AB distance=42' 16391-3713 HJ 4870AB,C distance=42' 16404-3738 B 876 distance=42' 16422-3801 TDT 39 distance=57' 16438-3809 HDO 259 distance=67' 16421-3558 BRT1701 distance=68' 16482-3653 DUN 209AB distance=70' 16482-3653 ARY 101AC distance=70' 16486-3715 TOK 861 distance=75' 16387-3605 HDS2358 distance=76' 16359-3722 SKF2055 distance=81' 16356-3707 SEE 280 distance=83' 16458-3552 HDS2379 distance=83' 16456-3551 B 877 distance=84' 16432-3540 I 569 distance=86' 16466-3548 SKF2058 distance=92' 16409-3836 I 1299AB distance=94' 16409-3836 I 1299AC distance=94' 16382-3542 NSN 389 distance=98' 16510-3731 HJ 4889 distance=105' 16499-3603 BRT1703 distance=108' 16453-3848 RST1900Aa,Ab distance=109' 16453-3848 TOK 307AB distance=109' 16439-3856 RST3957 distance=113' 16399-3516 LPO 58 distance=114' 16442-3857 TDS 834 distance=115' 16519-3750 DBR 258 distance=121' 16508-3815 SHT 71AB distance=121' 16508-3815 SHT 71AC distance=121' 16508-3815 SHT 71AD distance=121' 16508-3815 SHT 71AE distance=121' 16519-3751 DBR 259 distance=122' 16520-3751 DBR 263 distance=123' 16520-3752 DBR 262AB distance=124' 16520-3752 DBR 262AC distance=124' 16519-3757 DBR 260 distance=124' 16520-3754 DBR 261 distance=124' 16521-3751 DBR 265 distance=124' 16521-3752 DBR 264 distance=124' 16522-3752 DBR 266 distance=125' 16519-3803 SHT 72AB (Xamidimura) distance=126' 16519-3803 WFC 181AG (Xamidimura) distance=126' 16519-3803 SKF2608AH (Xamidimura) distance=126' 16529-3718 BRT1705 distance=127' 16320-3647 JSP 693 distance=127' 16521-3800 B 878 distance=128' 16523-3756 DBR 267 distance=128' 16523-3757 DBR 268 distance=128' 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 16425-3705 R 283 247 0.8
Show 16423-3643 BRT1702 245 2.6 23
Show 16396-3716 RST3955 314 3.7 37
Show 16391-3713 FIN 340 AB 109 0.1 42
Show 16391-3713 HJ 4870 AB,C 10 34.6 42
Show 16404-3738 B 876 78 4.0 42
Show 16422-3801 TDT 39 242 0.7 57
Show 16438-3809 HDO 259 138 34.7 67
Show 16421-3558 BRT1701 11 3.4 68
Show 16482-3653 DUN 209 AB 138 24.0 70
Show 16482-3653 ARY 101 AC 74 75.1 70
Show 16486-3715 TOK 861 134 0.8 75
Show 16387-3605 HDS2358 66 8.6 76
Show 16359-3722 SKF2055 196 13.0 81
Show 16356-3707 SEE 280 272 5.9 83
Show 16458-3552 HDS2379 160 0.2 83
Show 16456-3551 B 877 40 1.5 84
Show 16432-3540 I 569 303 1.0 86
Show 16466-3548 SKF2058 225 141.3 92
Show 16409-3836 I 1299 AB 192 0.7 94
Show 16409-3836 I 1299 AC 272 7.8 94
Show 16382-3542 NSN 389 177 10.8 98
Show 16510-3731 HJ 4889 4 6.8 105
Show 16499-3603 BRT1703 53 5.2 108
Show 16453-3848 RST1900 Aa,Ab 243 0.8 109
Show 16453-3848 TOK 307 AB 236 870.3 109
Show 16439-3856 RST3957 43 3.3 113
Show 16399-3516 LPO 58 135 0.7 114
Show 16442-3857 TDS 834 87 1.5 115
Show 16519-3750 DBR 258 310 1.6 121
Show 16508-3815 SHT 71 AB 196 4.5 121
Show 16508-3815 SHT 71 AC 96 4.6 121
Show 16508-3815 SHT 71 AD 65 6.0 121
Show 16508-3815 SHT 71 AE 329 6.1 121
Show 16519-3751 DBR 259 196 3.1 122
Show 16520-3751 DBR 263 350 3.9 123
Show 16520-3752 DBR 262 AB 348 6.1 124
Show 16520-3752 DBR 262 AC 182 4.2 124
Show 16519-3757 DBR 260 134 3.3 124
Show 16520-3754 DBR 261 125 3.4 124
Show 16521-3751 DBR 265 287 1.4 124
Show 16521-3752 DBR 264 35 1.7 124
Show 16522-3752 DBR 266 25 2.9 125
Show Xamidimura 16519-3803 SHT 72 AB 210 9.2 126
Show Xamidimura 16519-3803 WFC 181 AG 257 80.6 126
Show Xamidimura 16519-3803 SKF2608 AH 72 346.8 126
Show 16529-3718 BRT1705 138 4.8 127
Show 16320-3647 JSP 693 136 0.6 127
Show 16521-3800 B 878 209 2.3 128
Show 16523-3756 DBR 267 4.6 128
Show 16523-3757 DBR 268 148 4.9 128

 
 
WDS 16425-3705 : COMPONENTS
 
 
  A
B pa=242.1°
sep=0.70"
 
 
16425-3705 A
 
 
Componente originario normalizzato AB Name HD 150420 Coord arcsec 2000 164229.08-370445.7 Mag 6.98
Spectral class G3III (yellow) PmRA -28.00 PmDE -89.0 SAO 207943
HIP 81803 Tycho2 7358-00528-1 HD 150420 GC 22459
CD CD-3610916 CP CP-36 7024
Tycho2
Tycho2 7358-00528-1 Pflag RAmdeg 250.62112639 DEmdeg -37.07936840
PmRA -27.9 PmDE -88.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.39 EpDEm 1991.12
Num 16 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 7.492 E BTmag 0.016 VTmag 6.617
E VTmag 0.010 Prox 999 TYC T HIP 81803
CCDM AB RAdeg 250.62120694 DEdeg -37.07916194 EpRA 1990 1.73
EpDE 1990 1.60 E RAdeg 4.1 E DEdeg 4.6 Posflg P
Corr 0.2
SAO
SAO 207943 DelFlag RA1950 PmRA1950 -0.0029
DE1950 PmDE1950 -0.109 Vmag 6.6 SpType G5
Double code Source 70 CatNum 22459 DM CD-3610916
DMcomp BDsup HD 150420 M HD 0
GC 22459 RA1950rad 4.35953626 DE1950rad -0.64549333 PmRA2000 -0.0029
PmDE2000 -0.108
Hipparcos
Catalog H HIP 81803 Proxy H RAhms 16 42 29.11
DEdms -37 04 44.9 Vmag 6.47 VarFlag R Vmag H
RAdeg 250.621 DEdeg -37.0791 AstroRef A Plx 8.41
CCDM 16425-3705 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 263 Rho 0.566 HD 150420 BD
CD CD-3610916 CP CP-36 7024 Dm number -3610916 VIred 0.81
SpType G3III R SpType Coord arcsec 2000 164229.11-370444.9
Hipparcos 2
HIP 81803 Sn 15 So 3 Nc 2
RArad 4.3741664591 DErad -0.6471532231 Plx 10.55 PmRA -23.78
PmDE -85.17 E RArad 0.93 E DErad 0.57 E Plx 1.04
E pmRA 0.99 E pmDE 0.58 Hpmag 6.6142 E Hpmag 0.0009
SHp 0.007 VA 0 BV 0.776 E BV 0.008
VI 0.81
CCDM
Ccdm 16425-3705 RComp Comp A Note1
Note2 Discov num DRAs -0.98 DDEs 14.0
R dRAs 41 Year Theta Rho
Obs 2 Vmag 7.0 Sp G5 PmNote *
PmRA -24 PmDE -94 Dm number -3610916 Cat1 CD
Name2 207943 Cat2 SAO HD 150420 M HD
ADS BDS M ADS BDS N IDS IDS 16358S3653A
HIC 81803
 
 
16425-3705 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164229.03-370446.0 Mag 7.83 PmRA -28.00
PmDE -89.0 Calc delta mag 0.85 Calc coord yes
CCDM
Ccdm 16425-3705 RComp Comp B Note1 *
Note2 Discov num R 283 DRAs DDEs
R dRAs Year 1960 Theta 012 Rho 0.2
Obs 22 Vmag 7.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16358S3653B
HIC 81803