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Doubles in session


Current system
20052-4834
HDS 2864
HD 190016


Nearby doubles
45' : 20091-4856
RST1060

62' : 20100-4914
KPP1803

64' : 20109-4806
UC 4114

71' : 20043-4724
I 661

76' : 19581-4808
HDS2842

80' : 20014-4724
I 256

83' : 19572-4856
TOI1060

89' : 19564-4850
BRT1103

90' : 20139-4812
TDT2107

93' : 20026-5003
HDS2857

95' : 20060-4659
DAW 26AB

100' : 19596-4958
CPO9292

106' : 20062-4649
HJ 5166

112' : 20119-4704
HJ 5172

113' : 20163-4826
LDS 707

113' : 20018-4647
UC 4067

119' : 20093-4643
SIN 114

121' : 20095-5026
HU 1612

121' : 20095-4641
HJ 5169

122' : 20093-5029
RST1061

123' : 20124-5014
I 1046

123' : 20107-4644
I 123

125' : 20177-4834
BRT1106

128' : 20008-4634
RST1054

128' : 20127-5019
HJ 5174

129' : 20142-5007
VSP 55



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20052-4834 HDS 2864 (HD 190016)

 
 
20h 05m 12.62s -48° 33' 54.7" P.A. 339.00 sep 0.2 mag 10.55,11.17 Sp K0/K1V dist. 62.42 pc (203.61 l.y.)
 
 
Coord 2000 20052-4834 Discov num HDS2864 Comp Coord arcsec 2000 20 05 12.62 -48 33 54.7
Date first 1991 Date last 2021 Obs 5
Pa first 270 Pa last 339.3 P.A. Now (θ) 339.3°
Sep first 0.2 Sep last 0.231 Sep. Now (ρ) 0.231"
Mag pri 10.55 Mag sec 11.17 delta mag (ΔM) 0.62 Spectral class K0/K1V (yellow-orange)
Pri motion ra +076 Sec motion ra
Pri motion dec -103 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190016 Constellation Telescopium HIP 98927 Tycho2 8396-00116-1
HD 190016 CD CD-4813409 CP CP-4810322 Distance 62.42
Distance ly 203.61
 
 
WDS 20052-4834 HDS 2864 (HD 190016) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
20052-4834 HDS2864 1991 1 270 0.2 10.55 11.17 K0/K1V 200512.62-483354.7
20052-4834 HDS2864 2014 2 324 0.3 10.55 11.17 K0/K1V 200512.62-483354.7
20052-4834 HDS2864 2017 3 330 0.3 10.55 11.17 K0/K1V 200512.62-483354.7
20052-4834 HDS2864 2018 4 331 0.3 10.55 11.17 K0/K1V 200512.62-483354.7
20052-4834 HDS2864 2021 5 339 0.2 10.55 11.17 K0/K1V 200512.62-483354.7

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

 
 
WDS 20052-4834 HDS 2864 (HD 190016) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20052-4834 HDS 2864 (HD 190016) : MEASURES
 
 
No records found.

 
 
WDS 20052-4834 (HD 190016) : VIRTUAL EYEPIECE
 
 

20052-4834 HDS2864A mag 10.55 Sp K0/K1V 20052-4834 HDS2864B sep 0.2 P.A. 346.00 mag 11.17 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 20052-4834 (HD 190016) : ALADIN DSS IMAGE @ 20h 05m 12.62s -48° 33' 54.7"
 
 
 
 
WDS 20052-4834 HDS 2864 (HD 190016) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20052-4834 HDS2864 distance=1' 20091-4856 RST1060 distance=45' 20100-4914 KPP1803 distance=62' 20109-4806 UC 4114 distance=64' 20043-4724 I 661 distance=71' 19581-4808 HDS2842 distance=76' 20014-4724 I 256 distance=80' 19572-4856 TOI1060 distance=83' 19564-4850 BRT1103 distance=89' 20139-4812 TDT2107 distance=90' 20026-5003 HDS2857 distance=93' 20060-4659 DAW 26BC distance=95' 20060-4659 DAW 26AB distance=95' 20060-4659 DAW 26AC distance=95' 19596-4958 CPO9292 distance=100' 20062-4649 HJ 5166 distance=106' 20119-4704 HJ 5172 distance=112' 20163-4826 LDS 707 distance=113' 20018-4647 UC 4067 distance=113' 20093-4643 SIN 114 distance=119' 20095-5026 HU 1612 distance=121' 20095-4641 HJ 5169 distance=121' 20093-5029 RST1061 distance=122' 20124-5014 I 1046 distance=123' 20107-4644 I 123 distance=123' 20177-4834 BRT1106 distance=125' 20008-4634 RST1054 distance=128' 20127-5019 HJ 5174 distance=128' 20142-5007 VSP 55 distance=129' 20174-4750 UC 4139 distance=130' 20053-5043 UC 4079 distance=130' 20096-5038 RST1062 distance=131' 19529-4744 TDT1823 distance=134' 20139-5019 HU 1613 distance=136' 19587-5034 B 983 distance=137' 20086-4618 CPO 88AB distance=141' 20086-4618 UC 4098AC distance=141' 20086-4618 UC 4100BD distance=141' 20071-5055 BRT1104 distance=142' 20192-4757 RST1066 distance=145' 19538-5009 HDS2835 distance=147' 19590-4622 HJ 5157 distance=147' 20010-4614 HJ 5160 distance=148' 19539-5012 RST1050 distance=148' 20191-4937 RST1065 distance=151' 20106-4612 RSS 542 distance=152' 20022-4556 HDS2854 distance=161' 20023-4554 I 660 distance=163' 19590-5106 I 1407 distance=164' 20151-5048 RSS 544 distance=165' 20041-4547 CPO 87 distance=167' 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 20052-4834 HDS2864 339 0.2 1
Show 20091-4856 RST1060 151 0.2 45
Show 20100-4914 KPP1803 353 14.0 62
Show 20109-4806 UC 4114 8 13.9 64
Show 20043-4724 I 661 39 0.6 71
Show 19581-4808 HDS2842 76 0.3 76
Show 20014-4724 I 256 189 0.8 80
Show 19572-4856 TOI1060 167 0.3 83
Show 19564-4850 BRT1103 206 4.4 89
Show 20139-4812 TDT2107 242 0.6 90
Show 20026-5003 HDS2857 6 18.0 93
Show 20060-4659 DAW 26 BC 310 3.2 95
Show 20060-4659 DAW 26 AB 189 4.3 95
Show 20060-4659 DAW 26 AC 235 3.8 95
Show 19596-4958 CPO9292 300 4.3 100
Show 20062-4649 HJ 5166 249 11.3 106
Show 20119-4704 HJ 5172 9 36.7 112
Show 20163-4826 LDS 707 25 18.3 113
Show 20018-4647 UC 4067 339 13.5 113
Show 20093-4643 SIN 114 110 59.8 119
Show 20095-5026 HU 1612 63 1.0 121
Show 20095-4641 HJ 5169 128 6.0 121
Show 20093-5029 RST1061 282 1.2 122
Show 20124-5014 I 1046 51 1.2 123
Show 20107-4644 I 123 210 6.3 123
Show 20177-4834 BRT1106 73 4.5 125
Show 20008-4634 RST1054 2 0.3 128
Show 20127-5019 HJ 5174 266 18.8 128
Show 20142-5007 VSP 55 96 0.1 129
Show 20174-4750 UC 4139 4 30.2 130
Show 20053-5043 UC 4079 78 11.2 130
Show 20096-5038 RST1062 351 0.4 131
Show 19529-4744 TDT1823 80 0.7 134
Show 20139-5019 HU 1613 142 0.7 136
Show 19587-5034 B 983 330 1.2 137
Show 20086-4618 CPO 88 AB 101 57.4 141
Show 20086-4618 UC 4098 AC 216 23.3 141
Show 20086-4618 UC 4100 BD 359 48.2 141
Show 20071-5055 BRT1104 219 3.7 142
Show 20192-4757 RST1066 184 0.5 145
Show 19538-5009 HDS2835 23 0.2 147
Show 19590-4622 HJ 5157 280 17.5 147
Show 20010-4614 HJ 5160 164 26.7 148
Show 19539-5012 RST1050 214 0.5 148
Show 20191-4937 RST1065 69 1.3 151
Show 20106-4612 RSS 542 311 21.9 152
Show 20022-4556 HDS2854 327 0.1 161
Show 20023-4554 I 660 277 1.8 163
Show 19590-5106 I 1407 119 5.7 164
Show 20151-5048 RSS 544 167 17.6 165
Show 20041-4547 CPO 87 5 28.0 167

 
 
WDS 20052-4834 : COMPONENTS
 
 
  A
B pa=346.0°
sep=0.22"
 
 
20052-4834 A
 
 
Componente originario normalizzato AB Name HD 190016 Coord arcsec 2000 200512.62-483354.7 Mag 10.55
Spectral class K0/K1V (yellow-orange) PmRA 76.00 PmDE -103.0 HIP 98927
Tycho2 8396-00116-1 HD 190016 CD CD-4813409 CP CP-4810322
Tycho2
Tycho2 8396-00116-1 Pflag RAmdeg 301.30282893 DEmdeg -48.56543573
PmRA 71.5 PmDE -102.6 E RAmdeg 26 E DEmdeg 30
E pmRA 2.1 E pmDE 2.0 EpRAm 1989.88 EpDEm 1988.93
Num 3 Q RAmdeg 0.1 Q DEmdeg 2.8 Q pmRA 0.0
Q pmDE 2.8 BTmag 11.084 E BTmag 0.061 VTmag 9.962
E VTmag 0.035 Prox 999 TYC T HIP 98927
CCDM AB RAdeg 301.30257778 DEdeg -48.56519333 EpRA 1990 1.63
EpDE 1990 1.50 E RAdeg 25.8 E DEdeg 29.7 Posflg P
Corr 0.2
Hipparcos
Catalog H HIP 98927 Proxy H RAhms 20 05 12.62
DEdms -48 33 54.7 Vmag 9.92 VarFlag 2 R Vmag H
RAdeg 301.303 DEdeg -48.5652 AstroRef * Plx 16.33
CCDM 20052-4834 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual D M HIP AB
Theta 270 Rho 0.161 HD 190016 BD
CD CD-4813409 CP CP-4810322 Dm number -4813409 VIred 0.95
SpType K0/K1V R SpType Coord arcsec 2000 200512.62-483354.7
Hipparcos 2
HIP 98927 Sn 55 So 3 Nc 2
RArad 5.2587218598 DErad -0.8476224289 Plx 16.02 PmRA 73.8
PmDE -100.93 E RArad 1.71 E DErad 1.13 E Plx 2.07
E pmRA 2.89 E pmDE 2 Hpmag 10.0659 E Hpmag 0.0037
SHp 0.034 VA 0 BV 0.991 E BV 0.07
VI 1.03
CCDM
Ccdm 20052-4834 RComp Comp A Note1
Note2 Discov num DRAs 0.68 DDEs 4.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.6 Sp K0 PmNote *
PmRA 76 PmDE -103 Dm number -4813409 Cat1 CD
Name2 Cat2 HD 190016 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98927
 
 
20052-4834 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200512.61-483354.5 Mag 11.17 Calc delta mag 0.62
Calc coord yes
CCDM
Ccdm 20052-4834 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.67 DDEs 4.4
R dRAs 82 Year 1991 Theta 270 Rho 0.2
Obs 1 Vmag 11.2 Sp PmNote *
PmRA 76 PmDE -103 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98927