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Doubles in session


Current system
01337-1213
HWE 4 AB
HD 9575


Nearby doubles
21' : 01350-1205
SKF2155

22' : 01338-1152
HWE 5

22' : 01343-1154
LDS2211

30' : 01350-1234
UC 587AB

46' : 01307-1227
GAL 309

53' : 01301-1215
GAL 44

61' : 01362-1302
SKF 122

64' : 01375-1135
LDS9120

68' : 01347-1317
LDS5337

76' : 01354-1323
LDS3293

80' : 01359-1326
SKF 121

81' : 01295-1120
UC 564

82' : 01368-1320
RST4180

85' : 01328-1337
LDS2207

97' : 01392-1308
LDS2219

103' : 01333-1031
LDS2208

106' : 01292-1335
RST3356

112' : 01413-1209
HU 9

114' : 01299-1034
WIS 35

114' : 01408-1259
YSC 174

114' : 01307-1028
RAO 534

117' : 01325-1018
HDS 201

117' : 01387-1041
HU 8AB

118' : 01278-1054
BU 399AB

122' : 01286-1349
BRT1837

126' : 01422-1206
KPP3463



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.

01337-1213 HWE 4 AB (HD 9575)

 
 
01h 33m 42.39s -12° 12' 46.1" P.A. 335.00 sep 0.9 mag 9.23,9.31 Sp G3V dist. 66.62 pc (217.31 l.y.)
 
 
Coord 2000 01337-1213 Discov num HWE   4 Comp AB Coord arcsec 2000 01 33 42.39 -12 12 46.1
Date first 1877 Date last 2016 Obs 59
Pa first 328 Pa last 335 P.A. Now (θ) 335°
Sep first 0.9 Sep last 0.9 Sep. Now (ρ) 0.9"
Mag pri 9.23 Mag sec 9.31 delta mag (ΔM) 0.08 Spectral class G3V (yellow)
Pri motion ra -011 Sec motion ra -011
Pri motion dec -009 Sec motion dec -009
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
01337-1213 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 9575 147882 01 33 42 -12 12 46 HWE 4 AB 2016 59 335 0.9 9.23 9.31 0.08 Y <===
Show 147882 01 33 42 -12 12 46 HWE 4 AC 2016 4 257 61.5 9.23 12.25 3.02
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 9575 Constellation Cetus SAO 147882 HIP 7274
Tycho2 5279-00225-1 HD 9575 ADS 1223 BD BD-12 286
Distance 66.62 Distance ly 217.31
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier01337-1213 HWE 4
coord_arcsec_2000013342.39-121246.1
Period (P)142.42y Periastron (T)2065.92y Semi-major axis (a)0.571a
Eccentricity (e)0.837 Inclination (i)118.6° Longitude of periastron (ω)318.6°
Node (Ω)133.7° Notesn ReferenceDoc2017i
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 335.0 0.869
2001 334.8 0.871
2002 334.5 0.873
2003 334.2 0.875
2004 333.9 0.876
2005 333.6 0.877
2006 333.3 0.878
2007 333.1 0.878
2008 332.8 0.878
2009 332.5 0.878
2010 332.2 0.878
2011 332.0 0.878
2012 331.7 0.877
2013 331.4 0.875
2014 331.1 0.874
2015 330.8 0.872
2016 330.5 0.870
2017 330.3 0.868
2018 330.0 0.865
2019 329.7 0.862
2020 329.4 0.859
2021 329.1 0.855
2022 328.8 0.851
2023 328.5 0.847
2024 328.2 0.842
2025 327.9 0.837
2026 327.6 0.831
2027 327.3 0.826
2028 326.9 0.819
2029 326.6 0.813
2030 326.3 0.806


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


 
  


wds01337-1213e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01337-1213 HWE 4 AB (HD 9575) : NOTES
 
 
discov_num notes refcode
HWE 4 The linear formula by Job & Tamburini seems ruled out, as it makes Job1969b
the current quadrant opposite to what is observed.
 
 
REFERENCES
 
 
refcode metd author reference
Job1969b orb - Job, F. & Tamburini, T. 1962MmSAI..40..185J
Job1969b Mem. Soc. Astron. Ital. 40, 185, 1969
 
 
DISCOVERER
 
 
idgroup discov author
1 HWE Howe, H.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01337-1213 HWE 4 AB 2016 59 335 0.9 9.23 9.31 G3V NO 013342.39-121246.1

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

 
 
WDS 01337-1213 HWE 4 AB (HD 9575) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01337-1213 HWE 4 AB (HD 9575) : MEASURES
 
 
No records found.

 
 
WDS 01337-1213 (HD 9575) : VIRTUAL EYEPIECE
 
 

01337-1213 HWE 4A mag 9.23 Sp G3V 01337-1213 HWE 4B sep 0.9 P.A. 335.50 mag 9.31 01337-1213 HWE 4C sep 60.2 P.A. 256.30 mag 12.25 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 01337-1213 (HD 9575) : ALADIN DSS IMAGE @ 01h 33m 42.39s -12° 12' 46.1"
 
 
 
 
WDS 01337-1213 HWE 4 AB (HD 9575) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01337-1213 HWE 4AB distance=0' 01350-1205 SKF2155 distance=21' 01338-1152 HWE 5 distance=22' 01343-1154 LDS2211 distance=22' 01350-1234 UC 587AB distance=30' 01307-1227 GAL 309 distance=46' 01301-1215 GAL 44 distance=53' 01362-1302 SKF 122 distance=61' 01375-1135 LDS9120 distance=64' 01347-1317 LDS5337 distance=68' 01354-1323 LDS3293 distance=76' 01359-1326 SKF 121 distance=80' 01295-1120 UC 564 distance=81' 01368-1320 RST4180 distance=82' 01328-1337 LDS2207 distance=85' 01392-1308 LDS2219 distance=97' 01333-1031 LDS2208 distance=103' 01292-1335 RST3356 distance=106' 01413-1209 HU 9 distance=112' 01299-1034 WIS 35 distance=114' 01408-1259 YSC 174 distance=114' 01307-1028 RAO 534 distance=114' 01325-1018 HDS 201 distance=117' 01387-1041 HU 8AB distance=117' 01387-1041 DAM 769AC distance=117' 01278-1054 BU 399AB distance=118' 01278-1054 SKF 118AC distance=118' 01286-1349 BRT1837 distance=122' 01422-1206 KPP3463 distance=126' 01425-1219 HU 10 distance=130' 01417-1119 STF 147 distance=130' 01400-1348 GAL 311AB distance=133' 01400-1348 GAL 311AC distance=133' 01426-1246 LDS2220 distance=133' 01256-1325 KPP1468 distance=140' 01241-1244 GAL 308 distance=144' 01239-1149 GWP 181 distance=147' 01403-1404 UC 599 distance=148' 01263-1354 STF 124 distance=149' 01434-1127 GAL 312 distance=153' 01383-1431 UC 594 distance=154' 01390-1427 LDS2218 distance=155' 01230-1258 GAL 307A,BC distance=163' 01399-0958 SOZ 7 distance=163' 01230-1258 KUI 6BC distance=163' 01324-0930 LDS2204 distance=164' 01447-1139 HU 11 distance=165' 01249-1025 TDS1871 distance=169' 01244-1353 GWP 184 distance=170' 01259-1009 RST4178 distance=170' 01417-1420 HU 420 distance=173' 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 01337-1213 HWE 4 AB 335 0.9
Show 01337-1213 HWE 4 AC 257 61.5
Show 01350-1205 SKF2155 275 11.4 21
Show 01338-1152 HWE 5 32 13.2 22
Show 01343-1154 LDS2211 220 66.3 22
Show 01350-1234 UC 587 AB 139 37.8 30
Show 01307-1227 GAL 309 343 14.0 46
Show 01301-1215 GAL 44 5 9.0 53
Show 01362-1302 SKF 122 81 2.3 61
Show 01375-1135 LDS9120 261 2.3 64
Show 01347-1317 LDS5337 105 253.2 68
Show 01354-1323 LDS3293 276 5.3 76
Show 01359-1326 SKF 121 66 1.8 80
Show 01295-1120 UC 564 236 30.7 81
Show 01368-1320 RST4180 335 1.3 82
Show 01328-1337 LDS2207 347 14.3 85
Show 01392-1308 LDS2219 261 13.6 97
Show 01333-1031 LDS2208 11 10.6 103
Show 01292-1335 RST3356 51 1.3 106
Show 01413-1209 HU 9 292 4.5 112
Show 01299-1034 WIS 35 101 43.5 114
Show 01408-1259 YSC 174 184 0.8 114
Show 01307-1028 RAO 534 90 0.9 114
Show 01325-1018 HDS 201 248 0.4 117
Show 01387-1041 HU 8 AB 44 1.6 117
Show 01387-1041 DAM 769 AC 4 18.1 117
Show 01278-1054 BU 399 AB 303 1.5 118
Show 01278-1054 SKF 118 AC 276 196.1 118
Show 01286-1349 BRT1837 85 2.4 122
Show 01422-1206 KPP3463 178 1.5 126
Show 01425-1219 HU 10 321 0.8 130
Show 01417-1119 STF 147 21 0.1 130
Show 01400-1348 GAL 311 AB 29 32.3 133
Show 01400-1348 GAL 311 AC 217 6.5 133
Show 01426-1246 LDS2220 272 11.2 133
Show 01256-1325 KPP1468 33 11.1 140
Show 01241-1244 GAL 308 16 24.7 144
Show 01239-1149 GWP 181 185 18.5 147
Show 01403-1404 UC 599 12 17.7 148
Show 01263-1354 STF 124 233 7.2 149
Show 01434-1127 GAL 312 326 43.5 153
Show 01383-1431 UC 594 108 50.7 154
Show 01390-1427 LDS2218 69 6.0 155
Show 01230-1258 GAL 307 A,BC 313 40.6 163
Show 01399-0958 SOZ 7 241 7.8 163
Show 01230-1258 KUI 6 BC 334 1.2 163
Show 01324-0930 LDS2204 238 17.6 164
Show 01447-1139 HU 11 193 3.5 165
Show 01249-1025 TDS1871 301 1.9 169
Show 01244-1353 GWP 184 153 8.9 170
Show 01259-1009 RST4178 273 1.7 170

 
 
WDS 01337-1213 : COMPONENTS
 
 
  A B
B pa=335.5°
sep=0.90"
 
C pa=256.3°
sep=60.18"
pa=255.5°
sep=60.02"
 
 
01337-1213 A
 
 
Name HD 9575 Coord arcsec 2000 013342.39-121246.1 Mag 9.23 Spectral class G3V (yellow)
PmRA -11.00 PmDE -9.0 SAO 147882 HIP 7274
Tycho2 5279-00225-1 HD 9575 ADS 1223 BD BD-12 286
Tycho2
Tycho2 5279-00225-1 Pflag P RAmdeg 23.42663807 DEmdeg -12.21280098
PmRA -10.7 PmDE -8.9 E RAmdeg 11 E DEmdeg 13
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.28 EpDEm 1990.95
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 9.910 E BTmag 0.026 VTmag 9.228
E VTmag 0.019 Prox 8 TYC T HIP 7274
CCDM A RAdeg 23.42669889 DEdeg -12.21287278 EpRA 1990 1.71
EpDE 1990 1.56 E RAdeg 11.2 E DEdeg 13.3 Posflg D
Corr -0.2
SAO
SAO 147882 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 0.013 Vmag 8.5 SpType G0
Double code Source 20 CatNum 338 DM BD-12 286
DMcomp BDsup HD 9575 M HD 0
GC RA1950rad 0.39810754 DE1950rad -0.21761955 PmRA2000 -0.0016
PmDE2000 0.01
Hipparcos
Catalog H HIP 7274 Proxy H RAhms 01 33 42.41
DEdms -12 12 46.4 Vmag 8.51 VarFlag R Vmag G
RAdeg 23.4267 DEdeg -12.2129 AstroRef A Plx 14.57
CCDM 01337-1213 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 338 Rho 0.848 HD 9575 BD BD-12 286
CD CP Dm number -12 286 VIred 0.7
SpType G3V R SpType Coord arcsec 2000 013342.41-121246.4
Hipparcos 2
HIP 7274 Sn 15 So 3 Nc 2
RArad 0.4088730558 DErad -0.2131548867 Plx 15.01 PmRA -13.75
PmDE -7.61 E RArad 3.86 E DErad 2.15 E Plx 3.53
E pmRA 4.11 E pmDE 2.12 Hpmag 8.5935 E Hpmag 0.0019
SHp 0.014 VA 0 BV 0.64 E BV 0.015
VI 0.7
CCDM
Ccdm 01337-1213 RComp Comp A Note1
Note2 Discov num DRAs 0.30 DDEs 15.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp G0 PmNote *
PmRA -28 PmDE 13 Dm number -12 286 Cat1 BD
Name2 147882 Cat2 SAO HD 9575 M HD
ADS BDS A 1223 M ADS BDS N IDS IDS 01288S1244A
HIC 7274
 
 
01337-1213 B
 
 
Coord arcsec 2000 013342.36-121245.3 Mag 9.31 PmRA -11.00 PmDE -9.0
HIP 7274 Tycho2 5279-00225-2 Calc delta mag 0.08 Calc coord yes
Tycho2
Tycho2 5279-00225-2 Pflag P RAmdeg 23.42663807 DEmdeg -12.21280098
PmRA -10.7 PmDE -8.9 E RAmdeg 11 E DEmdeg 13
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.28 EpDEm 1990.95
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 10.068 E BTmag 0.027 VTmag 9.305
E VTmag 0.020 Prox 8 TYC T HIP 7274
CCDM B RAdeg 23.42661556 DEdeg -12.21265917 EpRA 1990 1.71
EpDE 1990 1.55 E RAdeg 11.8 E DEdeg 14.2 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 7274 Proxy H RAhms 01 33 42.41
DEdms -12 12 46.4 Vmag 8.51 VarFlag R Vmag G
RAdeg 23.4267 DEdeg -12.2129 AstroRef A Plx 14.57
CCDM 01337-1213 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 338 Rho 0.848 HD 9575 BD BD-12 286
CD CP Dm number -12 286 VIred 0.7
SpType G3V R SpType Coord arcsec 2000 013342.41-121246.4
Hipparcos 2
HIP 7274 Sn 15 So 3 Nc 2
RArad 0.4088730558 DErad -0.2131548867 Plx 15.01 PmRA -13.75
PmDE -7.61 E RArad 3.86 E DErad 2.15 E Plx 3.53
E pmRA 4.11 E pmDE 2.12 Hpmag 8.5935 E Hpmag 0.0019
SHp 0.014 VA 0 BV 0.64 E BV 0.015
VI 0.7
CCDM
Ccdm 01337-1213 RComp Comp B Note1 *
Note2 Discov num HWE 4 DRAs DDEs
R dRAs Year 1877 Theta Rho
Obs 36 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1223 M ADS BDS N IDS IDS 01288S1244B
HIC 7274
 
 
01337-1213 C
 
 
Coord arcsec 2000 013338.40-121300.4 Mag 12.25 Calc delta mag 3.02 Calc coord yes