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Doubles in session


Current system
15160-7025
HDS 2146
HD 134735


Nearby doubles
8' : 15154-7032
FMR 173

12' : 15167-7013
BVD 111

14' : 15181-7018
HDS2151

21' : 15125-7013
TVB 276

26' : 15191-7005
TDS9483

29' : 15148-6957
DON 720

33' : 15096-7027
TDS9424

35' : 15098-7010
HJ 4729

37' : 15212-6959
HDS2160

40' : 15215-6956
DON 726

42' : 15196-7102
HEI 235

45' : 15074-7036
MLO 63

46' : 15246-7011
TDS9511

47' : 15075-7008
DON 711AB

49' : 15128-7111
B 2348

50' : 15240-7054
WIS 285

50' : 15240-7056
HEI 380

53' : 15261-7040
TOB 330

58' : 15145-6927
DON 718

60' : 15112-6931
KPP2397

60' : 15195-6928
DON 725

63' : 15106-7122
TOI 905

64' : 15282-7044
KPP3959

68' : 15026-7028
TDS9380

68' : 15217-6924
DON 727

70' : 15276-6949
KPP 559AB



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.

15160-7025 HDS 2146 (HD 134735)

 
 
15h 15m 58.53s -70° 24' 48.9" P.A. 197.00 sep 0.2 mag 7.31,7.92 Sp F5IV dist. 112.74 pc (367.76 l.y.)
 
 
Coord 2000 15160-7025 Discov num HDS2146 Comp Coord arcsec 2000 15 15 58.53 -70 24 48.9
Date first 1991 Date last 2021 Obs 9
Pa first 201 Pa last 197 P.A. Now (θ) 197°
Sep first 0.2 Sep last 0.166 Sep. Now (ρ) 0.166"
Mag pri 7.31 Mag sec 7.92 delta mag (ΔM) 0.61 Spectral class F5IV (yellow-white)
Pri motion ra -013 Sec motion ra
Pri motion dec -046 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 134735 Constellation Triangulum Australe SAO 257258 HIP 74701
Tycho2 9263-03172-1 Gaia DR2 5798987125644465408 HD 134735 GC 20470
CP CP-69 2281 Distance 112.74 Distance ly 367.76
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.224y Periastron (T)2014.313y Semi-major axis (a)0.129a
Eccentricity (e)0.75 Inclination (i)34.6° Longitude of periastron (ω)242.8°
Node (Ω)165° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 226.6 0.192
2001 229.5 0.189
2002 232.5 0.184
2003 235.7 0.179
2004 239.0 0.173
2005 242.7 0.165
2006 246.7 0.157
2007 251.2 0.147
2008 256.4 0.137
2009 262.5 0.125
2010 270.1 0.111
2011 279.8 0.096
2012 293.6 0.079
2013 316.0 0.059
2014 7.5 0.034
2015 120.7 0.039
2016 156.8 0.072
2017 171.3 0.099
2018 180.2 0.119
2019 186.6 0.136
2020 191.7 0.150
2021 196.0 0.161
2022 199.8 0.171
2023 203.2 0.178
2024 206.4 0.184
2025 209.4 0.189
2026 212.2 0.192
2027 215.0 0.195
2028 217.8 0.196
2029 220.5 0.196
2030 223.2 0.195


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


 
  


wds15160-7025a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15160-7025 HDS 2146 (HD 134735) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018e orb - Tokovinin, A. 2018IAUDS.195....1T
Tok2018e Inf. Circ. 195, 1, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (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
15160-7025 HDS2146 1991 1 201 0.2 7.31 7.92 F5IV 151558.53-702448.9
15160-7025 HDS2146 2017 5 174 0.1 7.31 7.92 F5IV 151558.53-702448.9
15160-7025 HDS2146 2018 6 181 0.1 7.31 7.92 F5IV O 151558.53-702448.9
15160-7025 HDS2146 2019 8 189 0.1 7.31 7.92 F5IV O 151558.53-702448.9
15160-7025 HDS2146 2021 9 197 0.2 7.31 7.92 F5IV O 151558.53-702448.9

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

 
 
WDS 15160-7025 HDS 2146 (HD 134735) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15160-7025 HDS 2146 (HD 134735) : MEASURES
 
 
No records found.

 
 
WDS 15160-7025 (HD 134735) : VIRTUAL EYEPIECE
 
 

15160-7025 HDS2146A mag 7.31 Sp F5IV 15160-7025 HDS2146B sep 0.2 P.A. 185.90 mag 7.92 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 15160-7025 (HD 134735) : ALADIN DSS IMAGE @ 15h 15m 58.53s -70° 24' 48.9"
 
 
 
 
WDS 15160-7025 HDS 2146 (HD 134735) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15160-7025 HDS2146 distance=0' 15154-7032 FMR 173 distance=8' 15167-7013 BVD 111 distance=12' 15181-7018 HDS2151 distance=14' 15125-7013 TVB 276 distance=21' 15191-7005 TDS9483 distance=26' 15148-6957 DON 720 distance=29' 15096-7027 TDS9424 distance=33' 15098-7010 HJ 4729 distance=35' 15212-6959 HDS2160 distance=37' 15215-6956 DON 726 distance=40' 15196-7102 HEI 235 distance=42' 15074-7036 MLO 63 distance=45' 15246-7011 TDS9511 distance=46' 15075-7008 DON 711AB distance=47' 15075-7008 DON 711AB,C distance=47' 15128-7111 B 2348 distance=49' 15240-7054 WIS 285 distance=50' 15240-7056 HEI 380 distance=50' 15261-7040 TOB 330 distance=53' 15145-6927 DON 718 distance=58' 15112-6931 KPP2397 distance=60' 15195-6928 DON 725 distance=60' 15106-7122 TOI 905 distance=63' 15282-7044 KPP3959 distance=64' 15026-7028 TDS9380 distance=68' 15217-6924 DON 727 distance=68' 15276-6949 KPP 559AB distance=70' 15297-7041 TDS9531 distance=71' 15230-6924 TDS9501 distance=71' 15037-6948 TDS9390 distance=73' 15268-7121 TDS9518 distance=78' 15038-6934 DON 708 distance=82' 15126-6903 DON 717 distance=84' 15004-7101 TDS9368 distance=86' 15309-6946 DON 732 distance=86' 15125-6901 KPP2975 distance=86' 14593-7047 TDS9361 distance=86' 15333-7037 TDS9546 distance=88' 14583-7030 R 254 distance=89' 14585-7008 DON 697 distance=91' 15270-6915 KPP2978 distance=91' 15337-7007 HDS2184 distance=92' 14575-7020 R 252 distance=94' 14583-7056 I 427 distance=94' 15083-6900 DON 713 distance=94' 15343-7053 B 2035 distance=96' 14568-7029 R 253 distance=97' 15230-6856 TDS9500 distance=97' 14567-7020 I 954AB distance=98' 14567-7020 R 251AC distance=98' 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 15160-7025 HDS2146 197 0.2
Show 15154-7032 FMR 173 145 57.4 8
Show 15167-7013 BVD 111 125 29.8 12
Show 15181-7018 HDS2151 100 0.1 14
Show 15125-7013 TVB 276 106 2.8 21
Show 15191-7005 TDS9483 212 0.5 26
Show 15148-6957 DON 720 10 1.0 29
Show 15096-7027 TDS9424 247 1.2 33
Show 15098-7010 HJ 4729 326 8.2 35
Show 15212-6959 HDS2160 222 1.4 37
Show 15215-6956 DON 726 256 0.9 40
Show 15196-7102 HEI 235 45 2.7 42
Show 15074-7036 MLO 63 291 3.2 45
Show 15246-7011 TDS9511 247 0.5 46
Show 15075-7008 DON 711 AB 95 0.1 47
Show 15075-7008 DON 711 AB,C 90 10.1 47
Show 15128-7111 B 2348 153 2.5 49
Show 15240-7054 WIS 285 104 505.9 50
Show 15240-7056 HEI 380 153 1.1 50
Show 15261-7040 TOB 330 131 28.2 53
Show 15145-6927 DON 718 31 3.5 58
Show 15112-6931 KPP2397 188 20.7 60
Show 15195-6928 DON 725 304 3.5 60
Show 15106-7122 TOI 905 101 2.3 63
Show 15282-7044 KPP3959 138 29.0 64
Show 15026-7028 TDS9380 247 0.9 68
Show 15217-6924 DON 727 252 5.5 68
Show 15276-6949 KPP 559 AB 286 5.3 70
Show 15297-7041 TDS9531 183 3.5 71
Show 15230-6924 TDS9501 29 0.6 71
Show 15037-6948 TDS9390 210 0.7 73
Show 15268-7121 TDS9518 269 0.5 78
Show 15038-6934 DON 708 9 6.5 82
Show 15126-6903 DON 717 123 2.9 84
Show 15004-7101 TDS9368 342 0.8 86
Show 15309-6946 DON 732 27 2.7 86
Show 15125-6901 KPP2975 335 2.1 86
Show 14593-7047 TDS9361 206 2.4 86
Show 15333-7037 TDS9546 140 0.9 88
Show 14583-7030 R 254 122 11.2 89
Show 14585-7008 DON 697 86 3.8 91
Show 15270-6915 KPP2978 174 15.3 91
Show 15337-7007 HDS2184 96 0.5 92
Show 14575-7020 R 252 257 20.2 94
Show 14583-7056 I 427 345 2.0 94
Show 15083-6900 DON 713 74 12.5 94
Show 15343-7053 B 2035 79 3.2 96
Show 14568-7029 R 253 167 9.3 97
Show 15230-6856 TDS9500 282 0.6 97
Show 14567-7020 I 954 AB 314 2.3 98
Show 14567-7020 R 251 AC 237 26.7 98

 
 
WDS 15160-7025 : COMPONENTS
 
 
  A
B pa=185.9°
sep=0.16"
 
 
15160-7025 A
 
 
Componente originario normalizzato AB Name HD 134735 Coord arcsec 2000 151558.53-702448.9 Mag 7.31
Spectral class F5IV (yellow-white) PmRA -13.00 PmDE -46.0 SAO 257258
HIP 74701 Tycho2 9263-03172-1 HD 134735 GC 20470
CP CP-69 2281
Tycho2
Tycho2 9263-03172-1 Pflag RAmdeg 228.99376506 DEmdeg -70.41369399
PmRA -16.3 PmDE -49.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.2 EpRAm 1991.42 EpDEm 1991.40
Num 15 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.1
Q pmDE 0.6 BTmag 7.229 E BTmag 0.014 VTmag 6.766
E VTmag 0.010 Prox 999 TYC T HIP 74701
CCDM AB RAdeg 228.99387861 DEdeg -70.41357917 EpRA 1990 1.64
EpDE 1990 1.67 E RAdeg 3.8 E DEdeg 3.6 Posflg P
Corr -0.1
SAO
SAO 257258 DelFlag RA1950 PmRA1950 0.0023
DE1950 PmDE1950 -0.041 Vmag 6.7 SpType F0
Double code Source 70 CatNum 20470 DM CP-69 2281
DMcomp BDsup HD 134735 M HD 0
GC 20470 RA1950rad 3.97538347 DE1950rad -1.22570851 PmRA2000 0.0004
PmDE2000 -0.036
Hipparcos
Catalog H HIP 74701 Proxy H RAhms 15 15 58.53
DEdms -70 24 48.9 Vmag 6.71 VarFlag R Vmag G
RAdeg 228.994 DEdeg -70.4136 AstroRef * Plx 8.29
CCDM 15160-7025 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 201 Rho 0.177 HD 134735 BD
CD CP CP-69 2281 Dm number -69 2281 VIred 0.49
SpType F5IV R SpType Coord arcsec 2000 151558.53-702448.9
Hipparcos 2
HIP 74701 Sn 55 So 3 Nc 2
RArad 3.9966972527 DErad -1.2289486602 Plx 8.87 PmRA -13.4
PmDE -45.48 E RArad 0.4 E DErad 0.52 E Plx 0.64
E pmRA 0.44 E pmDE 0.62 Hpmag 6.8225 E Hpmag 0.0009
SHp 0.01 VA 0 BV 0.457 E BV 0.006
VI 0.49
CCDM
Ccdm 15160-7025 RComp Comp A Note1
Note2 Discov num DRAs -1.49 DDEs 10.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.3 Sp F5 PmNote *
PmRA -13 PmDE -46 Dm number -69 2281 Cat1 CPD
Name2 257258 Cat2 SAO HD 134735 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 74701
 
 
15160-7025 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 151558.53-702449.1 Mag 7.92 Calc delta mag 0.61
Calc coord yes
CCDM
Ccdm 15160-7025 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.50 DDEs 10.6
R dRAs 82 Year 1991 Theta 201 Rho 0.2
Obs 1 Vmag 7.9 Sp PmNote *
PmRA -13 PmDE -46 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 74701