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Current system
20403-5114
HU 1617
HD 196537


Nearby doubles
47' : 20436-5148
I 128

49' : 20351-5109
HDS2941

51' : 20455-5105
HU 1618

63' : 20450-5029
I 17AB

64' : 20394-5216
UC 4245

71' : 20384-5221
RST1074AB

72' : 20382-5223
TDT2440

76' : 20354-5014
WOR9002AB

78' : 20403-4956
KRW 2

80' : 20433-4959
UC 4269

90' : 20485-5200
B 1388

105' : 20315-5012
B 488

106' : 20291-5105
I 664

108' : 20327-5235
RST1072

109' : 20511-5154
SHN 248

112' : 20327-4949
TSN 34

112' : 20500-5220
I 1428

116' : 20506-5218
HU 1623

116' : 20516-5030
KPP 479

117' : 20525-5136
ALD 94

121' : 20274-5108
RST1070

122' : 20492-5242
UC 4300AB

123' : 20469-4929
CBL 180

123' : 20331-4932
UC 4215

125' : 20270-5111
KPP 584

126' : 20458-4920
HDS2956



Selections
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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.

20403-5114 HU 1617 (HD 196537)

 
 
20h 40m 15.16s -51° 13' 45.7" P.A. 279.00 sep 0.2 mag 8.50,9.00 Sp F6/7V dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000 20403-5114 Discov num HU 1617 Comp Coord arcsec 2000 20 40 15.16 -51 13 45.7
Date first 1914 Date last 2019 Obs 12
Pa first 124 Pa last 279.1 P.A. Now (θ) 279.1°
Sep first 0.5 Sep last 0.172 Sep. Now (ρ) 0.172"
Mag pri 8.50 Mag sec 9.00 delta mag (ΔM) 0.5 Spectral class F6/7V (yellow-white)
Pri motion ra +030 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 196537 Constellation Indus SAO 246682 HIP 102006
Tycho2 8419-01332-1 Gaia DR2 6474719896585017728 HD 196537 CD CD-5112659
CP CP-5111541 Distance 275.48 Distance ly 898.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)200y Periastron (T)2058.84y Semi-major axis (a)0.351a
Eccentricity (e)0.351 Inclination (i)84.4° Longitude of periastron (ω)248.1°
Node (Ω)111° Notes ReferenceTok2021f
Equinox2000 Last observation2019 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 275.6 0.145
2001 276.5 0.151
2002 277.4 0.158
2003 278.1 0.165
2004 278.8 0.172
2005 279.5 0.178
2006 280.1 0.185
2007 280.7 0.191
2008 281.2 0.197
2009 281.7 0.203
2010 282.2 0.209
2011 282.7 0.215
2012 283.1 0.221
2013 283.5 0.226
2014 283.9 0.232
2015 284.3 0.237
2016 284.6 0.242
2017 284.9 0.247
2018 285.3 0.251
2019 285.6 0.256
2020 285.9 0.260
2021 286.2 0.264
2022 286.5 0.267
2023 286.8 0.271
2024 287.0 0.274
2025 287.3 0.277
2026 287.6 0.279
2027 287.8 0.281
2028 288.1 0.283
2029 288.3 0.284
2030 288.6 0.285


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


 
  


wds20403-5114a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20403-5114 HU 1617 (HD 196537) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20403-5114 HU 1617 1978 9 141 0.1 8.50 9.00 F6/7V 204015.16-511345.7
20403-5114 HU 1617 2008 10 90 0.1 8.50 9.00 F6/7V 204015.16-511345.7
20403-5114 HU 1617 2017 11 98 0.2 8.50 9.00 F6/7V 204015.16-511345.7
20403-5114 HU 1617 2019 12 279 0.2 8.50 9.00 F6/7V 204015.16-511345.7

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

 
 
WDS 20403-5114 HU 1617 (HD 196537) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20403-5114 HU 1617 (HD 196537) : MEASURES
 
 
No records found.

 
 
WDS 20403-5114 (HD 196537) : VIRTUAL EYEPIECE
 
 

20403-5114 HU 1617A mag 8.5 Sp F6/7V 20403-5114 HU 1617B sep 0.1 P.A. 284.30 mag 9 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 20403-5114 (HD 196537) : ALADIN DSS IMAGE @ 20h 40m 15.16s -51° 13' 45.7"
 
 
 
 
WDS 20403-5114 HU 1617 (HD 196537) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20403-5114 HU 1617 distance=0' 20436-5148 I 128 distance=47' 20351-5109 HDS2941 distance=49' 20455-5105 HU 1618 distance=51' 20450-5029 I 17AB distance=63' 20450-5029 DUN 235AC distance=63' 20394-5216 UC 4245 distance=64' 20384-5221 RST1074AB distance=71' 20382-5223 TDT2440 distance=72' 20354-5014 LDS 714AC distance=76' 20354-5014 WOR9002AB distance=76' 20403-4956 KRW 2 distance=78' 20433-4959 UC 4269 distance=80' 20485-5200 B 1388 distance=90' 20315-5012 B 488 distance=105' 20291-5105 I 664 distance=106' 20327-5235 RST1072 distance=108' 20511-5154 SHN 248 distance=109' 20327-4949 TSN 34 distance=112' 20500-5220 I 1428 distance=112' 20506-5218 HU 1623 distance=116' 20516-5030 KPP 479 distance=116' 20525-5136 ALD 94 distance=117' 20274-5108 RST1070 distance=121' 20492-5242 UC 4300AB distance=122' 20469-4929 CBL 180 distance=123' 20331-4932 UC 4215 distance=123' 20270-5111 KPP 584 distance=125' 20458-4920 HDS2956 distance=126' 20269-5133 SKF1165 distance=127' 20267-5107 UC 4186 distance=128' 20539-5111 CPO 618 distance=128' 20508-5237 RST1077 distance=129' 20308-5253 B 2486 distance=132' 20458-5317 UC 4283 distance=134' 20278-5240 RST1071 distance=145' 20549-5207 ARY 78 distance=147' 20551-5207 I 18 distance=149' 20381-4846 UC 4241 distance=150' 20236-5111 I 1417 distance=157' 20570-5138 KPP 480 distance=158' 20232-5047 RST1068 distance=164' 20577-5148 RST1078 distance=167' 20546-4938 TOK 680AB distance=168' 20546-4938 TOK 680AC distance=168' 20420-5400 WIS 341 distance=168' 20380-4828 WSP 88 distance=168' 20534-4923 SHY 784AB distance=168' 20534-4923 SHY 784BC distance=169' 20421-4825 SKF1167 distance=171' 20333-5352 HU 1532 distance=171' 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 20403-5114 HU 1617 279 0.2
Show 20436-5148 I 128 328 3.6 47
Show 20351-5109 HDS2941 268 5.1 49
Show 20455-5105 HU 1618 240 1.0 51
Show 20450-5029 I 17 AB 32 1.2 63
Show 20450-5029 DUN 235 AC 122 125.4 63
Show 20394-5216 UC 4245 199 24.1 64
Show 20384-5221 RST1074 AB 226 2.5 71
Show 20382-5223 TDT2440 228 1.8 72
Show 20354-5014 LDS 714 AC 238 100.3 76
Show 20354-5014 WOR9002 AB 273 1.1 76
Show 20403-4956 KRW 2 62 20.5 78
Show 20433-4959 UC 4269 85 20.3 80
Show 20485-5200 B 1388 327 5.4 90
Show 20315-5012 B 488 78 1.7 105
Show 20291-5105 I 664 281 1.5 106
Show 20327-5235 RST1072 322 2.8 108
Show 20511-5154 SHN 248 344 1.3 109
Show 20327-4949 TSN 34 213 8.7 112
Show 20500-5220 I 1428 304 6.9 112
Show 20506-5218 HU 1623 229 1.6 116
Show 20516-5030 KPP 479 347 4.9 116
Show 20525-5136 ALD 94 304 1.7 117
Show 20274-5108 RST1070 287 1.2 121
Show 20492-5242 UC 4300 AB 240 62.2 122
Show 20469-4929 CBL 180 198 27.9 123
Show 20331-4932 UC 4215 113 41.9 123
Show 20270-5111 KPP 584 85 5.4 125
Show 20458-4920 HDS2956 294 12.8 126
Show 20269-5133 SKF1165 222 20.3 127
Show 20267-5107 UC 4186 345 9.2 128
Show 20539-5111 CPO 618 315 6.1 128
Show 20508-5237 RST1077 193 1.2 129
Show 20308-5253 B 2486 188 8.3 132
Show 20458-5317 UC 4283 105 7.3 134
Show 20278-5240 RST1071 255 3.8 145
Show 20549-5207 ARY 78 302 31.7 147
Show 20551-5207 I 18 359 4.0 149
Show 20381-4846 UC 4241 189 44.7 150
Show 20236-5111 I 1417 312 0.8 157
Show 20570-5138 KPP 480 259 3.9 158
Show 20232-5047 RST1068 203 0.3 164
Show 20577-5148 RST1078 114 1.1 167
Show 20546-4938 TOK 680 AB 271 5.3 168
Show 20546-4938 TOK 680 AC 333 7.0 168
Show 20420-5400 WIS 341 113 999.9 168
Show 20380-4828 WSP 88 147 16.3 168
Show 20534-4923 SHY 784 AB 134 348.4 168
Show 20534-4923 SHY 784 BC 147 2.8 169
Show 20421-4825 SKF1167 253 84.3 171
Show 20333-5352 HU 1532 269 0.6 171

 
 
WDS 20403-5114 : COMPONENTS
 
 
  A
B pa=284.3°
sep=0.11"
 
 
20403-5114 A
 
 
Componente originario normalizzato AB Name HD 196537 Coord arcsec 2000 204015.16-511345.7 Mag 8.5
Spectral class F6/7V (yellow-white) PmRA 30.00 PmDE -38.0 SAO 246682
HIP 102006 Tycho2 8419-01332-1 HD 196537 CD CD-5112659
CP CP-5111541
Tycho2
Tycho2 8419-01332-1 Pflag RAmdeg 310.06326565 DEmdeg -51.22944494
PmRA 30.4 PmDE -31.1 E RAmdeg 7 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.63 EpDEm 1990.33
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 8.849 E BTmag 0.018 VTmag 8.250
E VTmag 0.014 Prox 999 TYC T HIP 102006
CCDM RAdeg 310.06315417 DEdeg -51.22937444 EpRA 1990 1.75
EpDE 1990 1.83 E RAdeg 6.7 E DEdeg 8.0 Posflg
Corr -0.1
SAO
SAO 246682 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 -0.05 Vmag 8.2 SpType F8
Double code Source 48 CatNum 18921 DM CP-5111541
DMcomp BDsup HD 196537 M HD 0
GC RA1950rad 5.39575727 DE1950rad -0.89721534 PmRA2000 0.0041
PmDE2000 -0.054
Hipparcos
Catalog H HIP 102006 Proxy RAhms 20 40 15.16
DEdms -51 13 45.7 Vmag 8.19 VarFlag R Vmag H
RAdeg 310.063 DEdeg -51.2294 AstroRef Plx 5.42
CCDM 20403-5114 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196537 BD
CD CD-5112659 CP CP-5111541 Dm number -5112659 VIred 0.61
SpType F6/F7V R SpType Coord arcsec 2000 204015.16-511345.7
Hipparcos 2
HIP 102006 Sn 5 So 0 Nc 1
RArad 5.4116227908 DErad -0.8941211458 Plx 3.63 PmRA 30.42
PmDE -31.46 E RArad 0.9 E DErad 0.83 E Plx 1
E pmRA 0.98 E pmDE 0.7 Hpmag 8.3142 E Hpmag 0.0026
SHp 0.017 VA 0 BV 0.551 E BV 0.016
VI 0.62
CCDM
Ccdm 20403-5114 RComp Comp A Note1
Note2 Discov num DRAs -2.74 DDEs 12.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp F8 PmNote *
PmRA 40 PmDE -50 Dm number -5112659 Cat1 CD
Name2 246682 Cat2 SAO HD 196537 M HD
ADS BDS M ADS BDS N IDS IDS 20330S5135A
HIC 102006
 
 
20403-5114 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204015.15-511345.7 Mag 9 Calc delta mag 0.5
Calc coord yes
CCDM
Ccdm 20403-5114 RComp Comp B Note1
Note2 Discov num HU 1617 DRAs DDEs
R dRAs Year 1959 Theta 124 Rho 0.2
Obs 8 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20330S5135B
HIC 102006