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Doubles in session


Current system
01361-2954
HJ 3447
Tau Scl


Nearby doubles
15' : 01350-2955
DAW 31AB

36' : 01334-2956
B 2069

38' : 01359-2916
LDS2216

46' : 01341-2918
HDS 209

48' : 01329-3016
UC 578

50' : 01328-2931
BRT2851

58' : 01405-2948
LDS3299

62' : 01366-3056
SKF1379

67' : 01354-2849
LDS2213

79' : 01303-2932
LDS2203

90' : 01384-3119
UC 595

92' : 01367-2823
RST 34

94' : 01289-2956
TVB 26

98' : 01417-2848
TDS1957

99' : 01433-2925
HDS 230

101' : 01287-3025
B 19

114' : 01293-3107
LDS2202

115' : 01431-2846
LDS5342

119' : 01340-2800
LDS2210

120' : 01271-3014
HJ 3436

122' : 01343-3154
LDS2212

122' : 01410-2811
TDS1954

135' : 01270-3058
RSS 3

137' : 01300-3145
SKF1377

137' : 01465-2936
HDS 236

137' : 01355-3211
JKS 3



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.

01361-2954 HJ 3447 (Tau Scl)

 
 
01h 36m 08.50s -29° 54' 26.5" P.A. 201.00 sep 0.8 mag 5.97,7.35 Sp F2V dist. 69.35 pc (226.22 l.y.)
 
 
Coord 2000 01361-2954 Discov num HJ 3447 Comp Coord arcsec 2000 01 36 08.50 -29 54 26.5
Date first 1835 Date last 2021 Obs 122
Pa first 254 Pa last 200.5 P.A. Now (θ) 200.5°
Sep first 3.0 Sep last 0.832 Sep. Now (ρ) 0.832"
Mag pri 5.97 Mag sec 7.35 delta mag (ΔM) 1.38 Spectral class F2V (yellow-white)
Pri motion ra +105 Sec motion ra +105
Pri motion dec +038 Sec motion dec +038
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Tau Scl Constellation Sculptor SAO 193201 HIP 7463
Tycho2 6428-02436-1 Gaia DR2 5022876291741784064 HD 9906 HR 462
GC 1947 CD CD-30 540 CP CP-30 186 Bayer Tau Sculptoris
Bayer name Tau Scl Distance 69.35 Distance ly 226.22 Bayer greek τ Scl
 
 
ORBITAL ELEMENTS
 
 
Period (P)679.9164y± 280.5184 Periastron (T)2049.609y± 11.3345 Semi-major axis (a)2.73159a± 0.85307
Eccentricity (e)0.75614± 0.17019 Inclination (i)67.832°± 9.489 Longitude of periastron (ω)220.95°± 28.609
Node (Ω)50.738°± 8.08 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 167.7 0.783
2001 169.3 0.782
2002 170.9 0.781
2003 172.5 0.781
2004 174.1 0.781
2005 175.7 0.781
2006 177.3 0.782
2007 178.9 0.783
2008 180.4 0.785
2009 182.0 0.786
2010 183.6 0.788
2011 185.2 0.791
2012 186.7 0.793
2013 188.3 0.796
2014 189.8 0.799
2015 191.3 0.802
2016 192.8 0.805
2017 194.3 0.808
2018 195.8 0.812
2019 197.3 0.815
2020 198.8 0.819
2021 200.2 0.822
2022 201.6 0.825
2023 203.1 0.828
2024 204.5 0.831
2025 205.9 0.834
2026 207.3 0.836
2027 208.7 0.838
2028 210.1 0.839
2029 211.5 0.840
2030 212.8 0.840


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


 
  


wds01361-2954c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01361-2954 HJ 3447 (Tau Scl) : NOTES
 
 
discov_num notes refcode
HJ 3447 tau Scl. Arend orbit rejected from Fourth Orbit Catalog Ard1968
("orbit completely faulty and irreparable") Wor1983
 
 
REFERENCES
 
 
refcode metd author reference
Ard1968 orb - Arend, S. & de Freitas-Mourao, R.R. .
Ard1968 Comm. R. Obs. Belgium, Ser. A, 6, 1968
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01361-2954 HJ 3447 2007 99 180 0.8 5.97 7.35 F2V NOD 013608.50-295426.5
01361-2954 HJ 3447 2008 103 182 0.8 5.97 7.35 F2V NOD 013608.50-295426.5
01361-2954 HJ 3447 2010 105 185 0.8 5.97 7.35 F2V NOD 013608.50-295426.5
01361-2954 HJ 3447 2011 109 185 0.8 5.97 7.35 F2V NOD 013608.50-295426.5
01361-2954 HJ 3447 2015 113 191 0.8 5.97 7.35 F2V NO 013608.50-295426.5
01361-2954 HJ 3447 2016 116 195 0.8 5.97 7.35 F2V NO 013608.50-295426.5
01361-2954 HJ 3447 2018 118 197 0.8 5.97 7.35 F2V NO 013608.50-295426.5
01361-2954 HJ 3447 2019 119 198 0.8 5.97 7.35 F2V NO 013608.50-295426.5
01361-2954 HJ 3447 2020 121 200 0.8 5.97 7.35 F2V NO 013608.50-295426.5
01361-2954 HJ 3447 2021 122 201 0.8 5.97 7.35 F2V NO 013608.50-295426.5

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

 
 
WDS 01361-2954 HJ 3447 (Tau Scl) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01361-2954 HJ 3447 (Tau Scl) : MEASURES
 
 
No records found.

 
 
WDS 01361-2954 (Tau Scl) : VIRTUAL EYEPIECE
 
 

01361-2954 HJ 3447A mag 5.97 Sp F2V 01361-2954 HJ 3447B sep 0.8 P.A. 198.00 mag 7.35 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 01361-2954 (Tau Scl) : ALADIN DSS IMAGE @ 01h 36m 08.50s -29° 54' 26.5"
 
 
 
 
WDS 01361-2954 HJ 3447 (Tau Scl) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01361-2954 HJ 3447 distance=0' 01350-2955 DAW 31AB distance=15' 01350-2955 BU 1000AB,C distance=15' 01350-2955 BU 1000AB,D distance=15' 01334-2956 B 2069 distance=36' 01359-2916 LDS2216 distance=38' 01341-2918 HDS 209 distance=46' 01329-3016 UC 578 distance=48' 01328-2931 BRT2851 distance=50' 01405-2948 LDS3299 distance=58' 01366-3056 SKF1379 distance=62' 01354-2849 LDS2213 distance=67' 01303-2932 LDS2203 distance=79' 01384-3119 UC 595 distance=90' 01367-2823 RST 34 distance=92' 01289-2956 TVB 26 distance=94' 01417-2848 TDS1957 distance=98' 01433-2925 HDS 230 distance=99' 01287-3025 B 19 distance=101' 01293-3107 LDS2202 distance=114' 01431-2846 LDS5342 distance=115' 01340-2800 LDS2210 distance=119' 01271-3014 HJ 3436 distance=120' 01343-3154 LDS2212 distance=122' 01410-2811 TDS1954 distance=122' 01270-3058 RSS 3 distance=135' 01300-3145 SKF1377 distance=137' 01465-2936 HDS 236 distance=137' 01355-3211 JKS 3 distance=137' 01326-2745 LDS2206 distance=138' 01254-3036 SKF1376 distance=146' 01260-2854 LDS2197 distance=147' 01274-2825 LDS2200 distance=147' 01326-2732 TDS1907 distance=150' 01246-2933 LDS2195 distance=153' 01281-2803 SKF1267 distance=154' 01248-3042 LDS2196 distance=156' 01479-2925 LDS3312 distance=157' 01244-2923 LDS2193 distance=157' 01289-3202 SKF1268 distance=159' 01240-2933 LDS2192 distance=160' 01377-3236 TDS1936 distance=163' 01487-2916 HJ 3466 distance=169' 01427-2729 RST1222 distance=170' 01245-2839 LDS2194 distance=171' 01303-2722 UC 568 distance=171' 01438-3219 SKF 151 distance=175' 01230-3035 LDS2190AB distance=175' 01230-3035 LDS2190Aa,Ab distance=175' 01452-3205 NSN 233 distance=176' 01228-3038 HJ 3432 distance=179' 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 01361-2954 HJ 3447 201 0.8
Show 01350-2955 DAW 31 AB 258 0.2 15
Show 01350-2955 BU 1000 AB,C 7 1.6 15
Show 01350-2955 BU 1000 AB,D 19 130.8 15
Show 01334-2956 B 2069 144 1.4 36
Show 01359-2916 LDS2216 94 5.8 38
Show 01341-2918 HDS 209 294 20.8 46
Show 01329-3016 UC 578 196 40.0 48
Show 01328-2931 BRT2851 340 4.6 50
Show 01405-2948 LDS3299 359 191.8 58
Show 01366-3056 SKF1379 314 13.4 62
Show 01354-2849 LDS2213 112 4.3 67
Show 01303-2932 LDS2203 131 175.6 79
Show 01384-3119 UC 595 97 35.1 90
Show 01367-2823 RST 34 248 1.2 92
Show 01289-2956 TVB 26 103 25.3 94
Show 01417-2848 TDS1957 308 0.5 98
Show 01433-2925 HDS 230 343 0.8 99
Show 01287-3025 B 19 163 1.2 101
Show 01293-3107 LDS2202 321 6.2 114
Show 01431-2846 LDS5342 91 145.0 115
Show 01340-2800 LDS2210 4 137.2 119
Show 01271-3014 HJ 3436 127 9.9 120
Show 01343-3154 LDS2212 127 23.7 122
Show 01410-2811 TDS1954 7 1.5 122
Show 01270-3058 RSS 3 345 33.3 135
Show 01300-3145 SKF1377 263 101.3 137
Show 01465-2936 HDS 236 53 1.0 137
Show 01355-3211 JKS 3 238 93.8 137
Show 01326-2745 LDS2206 241 23.8 138
Show 01254-3036 SKF1376 145 2.6 146
Show 01260-2854 LDS2197 35 30.0 147
Show 01274-2825 LDS2200 76 19.8 147
Show 01326-2732 TDS1907 255 1.6 150
Show 01246-2933 LDS2195 189 10.3 153
Show 01281-2803 SKF1267 70 10.4 154
Show 01248-3042 LDS2196 257 49.2 156
Show 01479-2925 LDS3312 307 3.7 157
Show 01244-2923 LDS2193 4 124.9 157
Show 01289-3202 SKF1268 101 8.1 159
Show 01240-2933 LDS2192 292 159.8 160
Show 01377-3236 TDS1936 48 0.5 163
Show 01487-2916 HJ 3466 52 31.1 169
Show 01427-2729 RST1222 149 1.8 170
Show 01245-2839 LDS2194 94 3.5 171
Show 01303-2722 UC 568 106 9.9 171
Show 01438-3219 SKF 151 350 7.0 175
Show 01230-3035 LDS2190 AB 121 117.2 175
Show 01230-3035 LDS2190 Aa,Ab 27 1.6 175
Show 01452-3205 NSN 233 359 1.7 176
Show 01228-3038 HJ 3432 221 8.4 179

 
 
WDS 01361-2954 : COMPONENTS
 
 
  A
B pa=198.0°
sep=0.82"
 
 
01361-2954 A
 
 
Componente originario normalizzato AB Name Tau Scl Coord arcsec 2000 013608.50-295426.5 Mag 5.97
Spectral class F2V (yellow-white) PmRA 105.00 PmDE 38.0 SAO 193201
HIP 7463 Tycho2 6428-02436-1 HD 9906 HR 462
GC 1947 CD CD-30 540 CP CP-30 186 Bayer Tau
Bayer name Tau
Tycho2
Tycho2 6428-02436-1 Pflag P RAmdeg 24.03542724 DEmdeg -29.90736944
PmRA 105.1 PmDE 38.2 E RAmdeg 4 E DEmdeg 4
E pmRA 2.6 E pmDE 2.5 EpRAm 1991.47 EpDEm 1991.46
Num 6 Q RAmdeg 0.5 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.5 BTmag 6.302 E BTmag 0.014 VTmag 5.966
E VTmag 0.009 Prox 8 TYC T HIP 7463
CCDM A RAdeg 24.03512667 DEdeg -29.90743444 EpRA 1990 1.51
EpDE 1990 1.50 E RAdeg 3.6 E DEdeg 3.6 Posflg D
Corr -0.2
SAO
SAO 193201 DelFlag RA1950 PmRA1950 0.0075
DE1950 PmDE1950 0.045 Vmag 5.7 SpType F0
Double code Source 70 CatNum 1947 DM CD-30 540
DMcomp BDsup HD 9906 M HD 0
GC 1947 RA1950rad 0.40941288 DE1950rad -0.52644052 PmRA2000 0.0077
PmDE2000 0.04
Hipparcos
Catalog H HIP 7463 Proxy H RAhms 01 36 08.43
DEdms -29 54 26.8 Vmag 5.69 VarFlag R Vmag H
RAdeg 24.0351 DEdeg -29.9074 AstroRef A Plx 16.13
CCDM 01361-2954 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 153 Rho 0.814 HD 9906 BD
CD CD-30 540 CP CP-30 186 Dm number -30 540 VIred 0.39
SpType F2V R SpType Coord arcsec 2000 013608.43-295426.8
Hipparcos 2
HIP 7463 Sn 15 So 3 Nc 2
RArad 0.4194919951 DErad -0.5219831959 Plx 14.42 PmRA 117.37
PmDE 46.72 E RArad 0.47 E DErad 0.44 E Plx 0.81
E pmRA 0.92 E pmDE 0.48 Hpmag 5.7687 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.335 E BV 0.009
VI 0.39
CCDM
Ccdm 01361-2954 RComp Comp A Note1
Note2 Discov num DRAs 2.49 DDEs -27.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.0 Sp F0 PmNote *
PmRA 107 PmDE 38 Dm number -30 540 Cat1 CD
Name2 193201 Cat2 SAO HD 9906 M HD
ADS BDS B 836 M ADS BDS N IDS IDS 01315S3025A
HIC 7463
 
 
01361-2954 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 013608.48-295427.3 Mag 7.35 PmRA 105.00
PmDE 38.0 Tycho2 6428-02436-2 Calc delta mag 1.38 Calc coord yes
Tycho2
Tycho2 6428-02436-2 Pflag P RAmdeg 24.03542724 DEmdeg -29.90736944
PmRA 105.1 PmDE 38.2 E RAmdeg 4 E DEmdeg 4
E pmRA 2.6 E pmDE 2.5 EpRAm 1991.47 EpDEm 1991.46
Num 6 Q RAmdeg 0.5 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.5 BTmag 7.852 E BTmag 0.015 VTmag 7.353
E VTmag 0.011 Prox 8 TYC T HIP 7463
CCDM B RAdeg 24.03524833 DEdeg -29.90764194 EpRA 1990 1.48
EpDE 1990 1.48 E RAdeg 4.7 E DEdeg 4.6 Posflg D
Corr -0.1
CCDM
Ccdm 01361-2954 RComp Comp B Note1 *
Note2 Discov num HJ 3447 DRAs DDEs
R dRAs Year 1959 Theta 122 Rho 1.1
Obs 99 Vmag 7.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 836 M ADS BDS N IDS IDS 01315S3025B
HIC 7463