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Doubles in session


Current system
20501-3943
R 326
HD 198190


Nearby doubles
23' : 20497-3921
B 502

31' : 20523-4000
SKF1097

32' : 20492-4012
TSN 194

64' : 20503-3839
B 503

66' : 20452-4017
CRU9013AB

71' : 20561-3953
SKF1098

75' : 20442-3914
WSP 7AB

75' : 20517-4054
HJ 5228

76' : 20530-3836
TOI 154

78' : 20563-3916
TDT2646

79' : 20433-3945
WG 262

81' : 20436-3912
TDT2502

85' : 20435-3905
TDT2501

90' : 20574-3913
TDT2658

95' : 20576-3908
WG 263

96' : 20521-3810
SEE 429

101' : 20552-4104
UC 4326

104' : 20562-3828
TDT2645AB

107' : 20419-3853
TOI2247

110' : 20404-4012
WG 260

116' : 20593-3902
WG 264

125' : 20392-3945
UC 4244

131' : 20552-4139
UC 4327

136' : 20593-3820
B 2894

136' : 20457-3736
HJ 5216

137' : 20536-4153
BRT1115



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.

20501-3943 R 326 (HD 198190)

 
 
20h 50m 03.17s -39° 42' 30.6" P.A. 293.00 sep 40.3 mag 8.33,12.20 Sp A3III/IV dist. 383.14 pc (1249.8 l.y.)
 
 
Coord 2000 20501-3943 Discov num R   326 Comp Coord arcsec 2000 20 50 03.17 -39 42 30.6
Date first 1996 Date last 2015 Obs 6
Pa first 293 Pa last 292.6 P.A. Now (θ) 292.6°
Sep first 40.2 Sep last 40.255 Sep. Now (ρ) 40.255"
Mag pri 8.33 Mag sec 12.20 delta mag (ΔM) 3.87 Spectral class A3III/IV (white)
Pri motion ra -003 Sec motion ra -004
Pri motion dec +001 Sec motion dec +005
Notes
rPM=0.644
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198190 Constellation Microscopium SAO 212471 HIP 102839
Tycho2 7968-00850-1 Gaia DR2 6678734622717190784 HD 198190 CD CD-4014051
CP CP-40 9382 Distance 383.14 Distance ly 1249.8
 
 
WDS 20501-3943 R 326 (HD 198190) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
R__1871 Ma - Russell, H.C. 1884QB821.R94......
R__1871 Sydney Obs. Results, 1871-1881
R__1882 Ma j Russell, H.C. 1882MmRAS..47..109R
R__1882 MemRAS 47, 109, 1882
R__1892 Ma - Russell, H.C. 1892MmRAS..50...57R
R__1892 MemRAS 50, 57, 1892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20501-3943 R 326 2000 1 293 40.2 8.30 12.20 205003.17-394230.6
20501-3943 R 326 2010 4 293 40.2 8.33 12.20 A3III/IV 205003.17-394230.6
20501-3943 R 326 2015 5 293 40.3 8.33 12.20 A3III/IV 205003.17-394230.6

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

 
 
WDS 20501-3943 R 326 (HD 198190) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20501-3943 R 326 (HD 198190) : MEASURES
 
 
No records found.

 
 
WDS 20501-3943 (HD 198190) : VIRTUAL EYEPIECE
 
 

20501-3943 R 326A mag 8.33 Sp A3III/IV 20501-3943 R 326B sep 32.5 P.A. 298.40 mag 12.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 20501-3943 (HD 198190) : ALADIN DSS IMAGE @ 20h 50m 03.17s -39° 42' 30.6"
 
 
 
 
WDS 20501-3943 R 326 (HD 198190) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20501-3943 R 326 distance=0' 20497-3921 B 502 distance=23' 20523-4000 SKF1097 distance=31' 20492-4012 TSN 194 distance=32' 20503-3839 B 503 distance=64' 20452-4017 CRU9013AB distance=66' 20452-4017 DAM 815AC distance=66' 20561-3953 SKF1098 distance=71' 20442-3914 WSP 7AB distance=75' 20442-3914 WSP 7AC distance=75' 20517-4054 HJ 5228 distance=75' 20530-3836 TOI 154 distance=76' 20563-3916 TDT2646 distance=78' 20433-3945 WG 262 distance=79' 20436-3912 TDT2502 distance=81' 20435-3905 TDT2501 distance=85' 20574-3913 TDT2658 distance=90' 20576-3908 WG 263 distance=95' 20521-3810 SEE 429 distance=96' 20552-4104 UC 4326 distance=101' 20562-3828 TDT2645AB distance=104' 20419-3853 TOI2247 distance=107' 20404-4012 WG 260 distance=110' 20593-3902 WG 264 distance=116' 20392-3945 UC 4244 distance=125' 20552-4139 UC 4327 distance=131' 20593-3820 B 2894 distance=136' 20457-3736 HJ 5216 distance=136' 20536-4153 BRT1115 distance=137' 20573-4136 UC 4343 distance=141' 20570-3748 NSN 489 distance=142' 20400-4109 UC 4250 distance=144' 20502-3719 BRT1813 distance=144' 20576-3745 B 2488 distance=148' 21007-4111 I 1049 distance=150' 20579-3743 HJ 5236 distance=151' 20556-4204 BRT1116 distance=156' 20542-3714 BRT1815 distance=156' 21008-4123 B 513 distance=159' 20584-3735 SKF1251 distance=162' 20401-3920 SEE 422 distance=162' 21029-3839 KPP4221CD distance=163' 20360-3934 UC 4228 distance=163' 21030-3838 UC 4365 distance=164' 20392-4131 KPP1483 distance=165' 21009-4132 WIS 346 distance=165' 20561-4213 UC 4335 distance=166' 21038-4041 RSS 37 distance=169' 20539-3658 B 507 distance=171' 20353-4017 SEE 421AB distance=173' 20353-4017 KPP4396AC 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 20501-3943 R 326 293 40.3
Show 20497-3921 B 502 113 1.3 23
Show 20523-4000 SKF1097 2 9.6 31
Show 20492-4012 TSN 194 187 0.0 32
Show 20503-3839 B 503 116 2.5 64
Show 20452-4017 CRU9013 AB 101 70.2 66
Show 20452-4017 DAM 815 AC 180 19.5 66
Show 20561-3953 SKF1098 225 6.9 71
Show 20442-3914 WSP 7 AB 229 4.5 75
Show 20442-3914 WSP 7 AC 137 14.3 75
Show 20517-4054 HJ 5228 104 32.5 75
Show 20530-3836 TOI 154 203 0.2 76
Show 20563-3916 TDT2646 242 1.6 78
Show 20433-3945 WG 262 199 3.3 79
Show 20436-3912 TDT2502 230 0.7 81
Show 20435-3905 TDT2501 52 0.5 85
Show 20574-3913 TDT2658 30 0.5 90
Show 20576-3908 WG 263 34 7.1 95
Show 20521-3810 SEE 429 179 3.4 96
Show 20552-4104 UC 4326 242 36.5 101
Show 20562-3828 TDT2645 AB 241 0.7 104
Show 20419-3853 TOI2247 347 0.3 107
Show 20404-4012 WG 260 31 6.2 110
Show 20593-3902 WG 264 82 5.3 116
Show 20392-3945 UC 4244 129 43.9 125
Show 20552-4139 UC 4327 96 77.2 131
Show 20593-3820 B 2894 311 11.4 136
Show 20457-3736 HJ 5216 22 15.6 136
Show 20536-4153 BRT1115 339 3.5 137
Show 20573-4136 UC 4343 265 17.3 141
Show 20570-3748 NSN 489 348 2.7 142
Show 20400-4109 UC 4250 315 28.8 144
Show 20502-3719 BRT1813 296 5.4 144
Show 20576-3745 B 2488 226 2.4 148
Show 21007-4111 I 1049 346 1.3 150
Show 20579-3743 HJ 5236 308 5.9 151
Show 20556-4204 BRT1116 138 4.5 156
Show 20542-3714 BRT1815 207 4.2 156
Show 21008-4123 B 513 29 3.8 159
Show 20584-3735 SKF1251 217 148.1 162
Show 20401-3920 SEE 422 242 20.9 162
Show 21029-3839 KPP4221 CD 265 4.5 163
Show 20360-3934 UC 4228 177 45.9 163
Show 21030-3838 UC 4365 207 99.7 164
Show 20392-4131 KPP1483 59 11.1 165
Show 21009-4132 WIS 346 6 999.9 165
Show 20561-4213 UC 4335 196 30.8 166
Show 21038-4041 RSS 37 318 50.5 169
Show 20539-3658 B 507 215 0.5 171
Show 20353-4017 SEE 421 AB 7 14.7 173
Show 20353-4017 KPP4396 AC 51 4.2 173

 
 
WDS 20501-3943 : COMPONENTS
 
 
  A
B pa=298.4°
sep=32.51"
 
 
20501-3943 A
 
 
Componente originario normalizzato AB Name HD 198190 Coord arcsec 2000 205003.17-394230.6 Mag 8.33
Spectral class A3III/IV (white) PmRA -3.00 PmDE 1.0 SAO 212471
HIP 102839 Tycho2 7968-00850-1 HD 198190 CD CD-4014051
CP CP-40 9382
Tycho2
Tycho2 7968-00850-1 Pflag RAmdeg 312.51320391 DEmdeg -39.70848704
PmRA -3.0 PmDE 0.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.30 EpDEm 1990.84
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.9 BTmag 8.509 E BTmag 0.016 VTmag 8.334
E VTmag 0.012 Prox 999 TYC T HIP 102839
CCDM RAdeg 312.51321250 DEdeg -39.70848833 EpRA 1990 1.82
EpDE 1990 1.61 E RAdeg 5.2 E DEdeg 6.1 Posflg
Corr -0.3
SAO
SAO 212471 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.03 Vmag 8.3 SpType A2
Double code Source 41 CatNum 10782 DM CD-4014051
DMcomp BDsup HD 198190 M HD 0
GC RA1950rad 5.44019708 DE1950rad -0.69630942 PmRA2000 -0.0005
PmDE2000 -0.033
Hipparcos
Catalog H HIP 102839 Proxy RAhms 20 50 03.17
DEdms -39 42 30.6 Vmag 8.32 VarFlag R Vmag H
RAdeg 312.513 DEdeg -39.7085 AstroRef Plx 2.9
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 198190 BD
CD CD-4014051 CP CP-40 9382 Dm number -4014051 VIred 0.17
SpType A3III/IV R SpType Coord arcsec 2000 205003.17-394230.6
Hipparcos 2
HIP 102839 Sn 5 So 0 Nc 1
RArad 5.4543845152 DErad -0.6930438655 Plx 2.61 PmRA -2.93
PmDE 0.92 E RArad 0.62 E DErad 0.5 E Plx 0.83
E pmRA 0.96 E pmDE 0.7 Hpmag 8.3837 E Hpmag 0.0016
SHp 0.015 VA 0 BV 0.172 E BV 0.013
VI 0.19
 
 
20501-3943 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205000.69-394215.1 Mag 12.2 PmRA -4.00
PmDE 5.0 Calc delta mag 3.87 Calc coord yes