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Current system
16202-3734
LDS 6312


Nearby doubles
41' : 16228-3708
SKF2053

54' : 16245-3734
B 868AB

62' : 16184-3634
B 2383

63' : 16249-3755
HJ 4852

64' : 16248-3800
KPP1899

76' : 16223-3843
YMG 79

79' : 16264-3754
TDS9902

84' : 16165-3844
JNN 228

87' : 16246-3625
BRT1700

88' : 16274-3729
B 872

92' : 16147-3839
I 559

94' : 16218-3904
ALD 61

96' : 16125-3806
RST3933

111' : 16240-3912
RAG 8

115' : 16205-3926
I 91

115' : 16147-3908
SEE 268

116' : 16216-3926
HDS2311

123' : 16193-3529
SEE 272

124' : 16115-3623
B 865

131' : 16186-3839
YMG 77

132' : 16269-3550
JSP 692

136' : 16109-3853
GHE 45

138' : 16305-3634
WSI 133

139' : 16267-3539
B 871

140' : 16150-3938
KOU 58AB

141' : 16215-3951
KPP3012



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

16202-3734 LDS 6312

 
 
16h 20m 03.50s -37° 31' 44.8" P.A. 227.00 sep 3.7 mag 10.73,12.20 Sp M2 dist. 8.34 pc (27.21 l.y.)
 
 
Coord 2000 16202-3734 Discov num LDS6312 Comp Coord arcsec 2000 16 20 03.50 -37 31 44.8
Date first 1920 Date last 2021 Obs 11
Pa first 225 Pa last 226.9 P.A. Now (θ) 226.9°
Sep first 7.0 Sep last 3.722 Sep. Now (ρ) 3.722"
Mag pri 10.73 Mag sec 12.20 delta mag (ΔM) 1.47 Spectral class M2 (red)
Pri motion ra -729 Sec motion ra
Pri motion dec +991 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius HIP 80018 Tycho2 7853-00670-1 GL Gl 618A
CD CD-3710765 Distance 8.34 Distance ly 27.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)611.807986y Periastron (T)1915.268798y Semi-major axis (a)63.11068a
Eccentricity (e)0.97352 Inclination (i)90.0051° Longitude of periastron (ω)96.3087°
Node (Ω)47.2112° Notesn ReferenceKpp2020f
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 227.1 5.488
2001 227.1 5.403
2002 227.1 5.318
2003 227.1 5.232
2004 227.1 5.147
2005 227.1 5.060
2006 227.1 4.974
2007 227.1 4.888
2008 227.1 4.801
2009 227.1 4.714
2010 227.1 4.627
2011 227.1 4.539
2012 227.1 4.451
2013 227.1 4.364
2014 227.1 4.276
2015 227.1 4.187
2016 227.1 4.099
2017 227.1 4.010
2018 227.1 3.921
2019 227.1 3.833
2020 227.1 3.743
2021 227.1 3.654
2022 227.1 3.565
2023 227.1 3.475
2024 227.1 3.386
2025 227.1 3.296
2026 227.1 3.206
2027 227.1 3.116
2028 227.1 3.026
2029 227.1 2.935
2030 227.0 2.845


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


 
  


wds16202-3734a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16202-3734 LDS 6312 : NOTES
 
 
discov_num notes refcode
LDS6312 RSS 401. LDS 555
 
 
REFERENCES
 
 
refcode metd author reference
Kpp2020f Hg+ j Knapp, W.R.A. 2020JDSO...16..229K
Kpp2020f +C JDSO 16, 229, 2020
Kpp2020f +orb
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (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
16202-3734 LDS6312 1960 1 228 8.5 10.73 14.70 M2 P 162003.51-373144.3
16202-3734 LDS6312 1999 4 227 5.3 10.73 12.20 M2 N D 162003.50-373144.8
16202-3734 LDS6312 2013 8 226 4.4 10.73 12.20 M2 N 162003.50-373144.8
16202-3734 LDS6312 2015 9 228 4.3 10.73 12.20 M2 N 162003.50-373144.8
16202-3734 LDS6312 2016 10 227 4.2 10.73 12.20 M2 NO 162003.50-373144.8
16202-3734 LDS6312 2021 11 227 3.7 10.73 12.20 M2 NO 162003.50-373144.8

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

 
 
WDS 16202-3734 LDS 6312 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16202-3734 LDS 6312 : MEASURES
 
 
No records found.

 
 
WDS 16202-3734 : VIRTUAL EYEPIECE
 
 

16202-3734 LDS6312A mag 10.73 Sp M2 16202-3734 LDS6312B sep 3.3 P.A. 220.30 mag 12.2 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 16202-3734 : ALADIN DSS IMAGE @ 16h 20m 03.50s -37° 31' 44.8"
 
 
 
 
WDS 16202-3734 LDS 6312 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16202-3734 LDS6312 distance=0' 16228-3708 SKF2053 distance=41' 16245-3734 B 868AB distance=54' 16245-3734 SHT 65AB,C distance=54' 16184-3634 B 2383 distance=62' 16249-3755 HJ 4852 distance=63' 16248-3800 KPP1899 distance=64' 16223-3843 YMG 79 distance=76' 16264-3754 TDS9902 distance=79' 16165-3844 JNN 228 distance=84' 16246-3625 BRT1700 distance=87' 16274-3729 B 872 distance=88' 16147-3839 I 559 distance=92' 16218-3904 ALD 61 distance=94' 16125-3806 RST3933 distance=96' 16240-3912 RAG 8 distance=111' 16205-3926 I 91 distance=115' 16147-3908 SEE 268 distance=115' 16216-3926 HDS2311 distance=116' 16193-3529 SEE 272 distance=123' 16115-3623 B 865 distance=124' 16186-3839 YMG 77 distance=131' 16269-3550 JSP 692 distance=132' 16109-3853 GHE 45 distance=136' 16305-3634 WSI 133 distance=138' 16267-3539 B 871 distance=139' 16150-3938 KOU 58AB distance=140' 16150-3938 KOU 58AC distance=140' 16215-3951 KPP3012 distance=141' 16279-3547 RSS 405 distance=141' 16218-3953 RST1886BC distance=144' 16218-3953 RST1886AB distance=144' 16189-3957 SKF2052 distance=146' 16306-3849 I 1294 distance=146' 16078-3745 B 861 distance=147' 16085-3828 CTI2772 distance=148' 16077-3802 COO 193 distance=150' 16320-3647 JSP 693 distance=150' 16119-3536 B 866 distance=152' 16195-4004 OCC9213 distance=152' 16168-3503 KPP 362 distance=154' 16090-3853 SHN 210 distance=154' 16303-3915 TDS9937 distance=159' 16073-3645 HJ 4831 distance=160' 16315-3901 HDS2335AB distance=162' 16315-3901 HDS2335Aa,Ab distance=162' 16097-3920 REP 32AB distance=163' 16097-3920 KRS 3Ba,Bb distance=163' 16081-3614 KOU 53 distance=164' 16087-3906 REP 31 distance=164' 16086-3906 SEE 265AB distance=165' 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 16202-3734 LDS6312 227 3.7
Show 16228-3708 SKF2053 225 7.4 41
Show 16245-3734 B 868 AB 283 0.0 54
Show 16245-3734 SHT 65 AB,C 125 4.5 54
Show 16184-3634 B 2383 191 7.3 62
Show 16249-3755 HJ 4852 142 13.3 63
Show 16248-3800 KPP1899 167 14.9 64
Show 16223-3843 YMG 79 318 0.8 76
Show 16264-3754 TDS9902 223 1.4 79
Show 16165-3844 JNN 228 294 2.7 84
Show 16246-3625 BRT1700 151 4.1 87
Show 16274-3729 B 872 182 0.2 88
Show 16147-3839 I 559 43 2.2 92
Show 16218-3904 ALD 61 69 4.5 94
Show 16125-3806 RST3933 179 1.5 96
Show 16240-3912 RAG 8 248 345.0 111
Show 16205-3926 I 91 292 19.6 115
Show 16147-3908 SEE 268 190 1.8 115
Show 16216-3926 HDS2311 267 0.6 116
Show 16193-3529 SEE 272 271 0.2 123
Show 16115-3623 B 865 107 0.7 124
Show 16186-3839 YMG 77 79 1.7 131
Show 16269-3550 JSP 692 205 2.1 132
Show 16109-3853 GHE 45 296 1.7 136
Show 16305-3634 WSI 133 247 2.1 138
Show 16267-3539 B 871 257 0.4 139
Show 16150-3938 KOU 58 AB 128 2.9 140
Show 16150-3938 KOU 58 AC 150 8.7 140
Show 16215-3951 KPP3012 313 6.6 141
Show 16279-3547 RSS 405 300 11.8 141
Show 16218-3953 RST1886 BC 270 1.3 144
Show 16218-3953 RST1886 AB 67 10.8 144
Show 16189-3957 SKF2052 137 33.9 146
Show 16306-3849 I 1294 219 1.2 146
Show 16078-3745 B 861 331 1.0 147
Show 16085-3828 CTI2772 329 5.1 148
Show 16077-3802 COO 193 224 1.9 150
Show 16320-3647 JSP 693 136 0.6 150
Show 16119-3536 B 866 187 0.6 152
Show 16195-4004 OCC9213 195 0.0 152
Show 16168-3503 KPP 362 53 5.0 154
Show 16090-3853 SHN 210 -1 0.1 154
Show 16303-3915 TDS9937 90 0.4 159
Show 16073-3645 HJ 4831 358 40.4 160
Show 16315-3901 HDS2335 AB 221 4.1 162
Show 16315-3901 HDS2335 Aa,Ab 179 0.0 162
Show 16097-3920 REP 32 AB 27 1.7 163
Show 16097-3920 KRS 3 Ba,Bb 143 0.0 163
Show 16081-3614 KOU 53 92 5.0 164
Show 16087-3906 REP 31 24 4.0 164
Show 16086-3906 SEE 265 AB 297 16.3 165

 
 
WDS 16202-3734 : COMPONENTS
 
 
  A
B pa=220.3°
sep=3.33"
 
 
16202-3734 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 162003.50-373144.8 Mag 10.73 Spectral class M2 (red)
PmRA -729.00 PmDE 991.0 HIP 80018 Tycho2 7853-00670-1
CD CD-3710765
Tycho2
Tycho2 7853-00670-1 Pflag RAmdeg 245.01461354 DEmdeg -37.52899005
PmRA -740.1 PmDE 997.4 E RAmdeg 29 E DEmdeg 33
E pmRA 2.0 E pmDE 2.2 EpRAm 1980.02 EpDEm 1976.38
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 12.850 E BTmag 0.268 VTmag 10.730
E VTmag 0.060 Prox 999 TYC HIP 80018
CCDM RAdeg 245.01677028 DEdeg -37.53140833 EpRA 1990 1.71
EpDE 1990 1.33 E RAdeg 44.5 E DEdeg 57.8 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 80018 Proxy RAhms 16 20 04.05
DEdms -37 31 53.1 Vmag 10.56 VarFlag R Vmag G
RAdeg 245.017 DEdeg -37.5314 AstroRef Plx 118.03
CCDM 16201-3732 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD BD
CD CD-3710765 CP Dm number -3710765 VIred 2.47
SpType M4 R SpType Coord arcsec 2000 162004.05-373153.1
Hipparcos 2
HIP 80018 Sn 5 So 1 Nc 1
RArad 4.2763513714 DErad -0.6550468634 Plx 119.85 PmRA -739.28
PmDE 988.09 E RArad 2.23 E DErad 1.63 E Plx 2.52
E pmRA 3.29 E pmDE 2.47 Hpmag 10.5964 E Hpmag 0.0043
SHp 0.032 VA 0 BV 1.55 E BV 0.042
VI 2.47
 
 
16202-3734 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 162003.32-373147.3 Mag 12.2 Calc delta mag 1.47
Calc coord yes