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Doubles in session


Current system
18050-4147
CPO 78
HD 164837


Nearby doubles
17' : 18064-4145
HJ 5011

19' : 18065-4141
DAW 220

25' : 18032-4132
BRT1014

27' : 18025-4152
BRT1013

32' : 18026-4204
HJ 5004

38' : 18060-4223
CPO9256

51' : 18065-4100
RST2028

52' : 18055-4238
CPO 572AB

54' : 18084-4225
CPO 573

54' : 18003-4137
BRT1010

62' : 18105-4150
BRT1028

64' : 18044-4044
RST2023

66' : 18096-4227
BRT1026

68' : 18036-4253
DON 879

68' : 18051-4040
CPO 571

71' : 17589-4128
CPO 568

73' : 17597-4105
RST2013

73' : 17597-4106
RST2012

78' : 18116-4125
I 1352

79' : 18044-4306
DON 880

82' : 17583-4222
TDT 604

83' : 18093-4041
BRT1025

86' : 17586-4059
SKF1926

88' : 17584-4236
CPO 565

88' : 17596-4044
I 1348

89' : 18002-4258
WFC 204



Selections
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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.

18050-4147 CPO 78 (HD 164837)

 
 
18h 04m 57.08s -41° 47' 08.6" P.A. 27.00 sep 87.3 mag 9.82,11.62 Sp G5V dist. 100.7 pc (328.48 l.y.)
 
 
Coord 2000 18050-4147 Discov num CPO  78 Comp Coord arcsec 2000 18 04 57.08 -41 47 08.6
Date first 1900 Date last 2015 Obs 5
Pa first 30 Pa last 27.2 P.A. Now (θ) 27.2°
Sep first 120.0 Sep last 87.272 Sep. Now (ρ) 87.272"
Mag pri 9.82 Mag sec 11.62 delta mag (ΔM) 1.8 Spectral class G5V (yellow)
Pri motion ra +011 Sec motion ra -001
Pri motion dec -068 Sec motion dec -056
Notes
rPM=0.246 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164837 Constellation Corona Austrina HIP 88557 Tycho2 7907-05029-1
Gaia DR2 6725332230447258752 HD 164837 CD CD-4112377 CP CP-41 8525
Distance 100.7 Distance ly 328.48
 
 
WDS 18050-4147 CPO 78 (HD 164837) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CpO1906 - Cape Observatory .
CpO1906 Cape Obs - Henderson, 1906
CpO1938 P+ - Cape Observatory .
CpO1938 +T Cape Obs (1822-1938 data)
CpO9999 T - Cape Observatory ...................
CpO9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18050-4147 CPO 78 1900 1 30 120.0 9.80 12.00 G5V 180457.08-414708.1
18050-4147 CPO 78 1998 2 28 87.1 9.82 11.62 G5V D 180457.08-414708.6
18050-4147 CPO 78 2010 4 27 87.2 9.82 11.62 G5V 180457.08-414708.6
18050-4147 CPO 78 2015 5 27 87.3 9.82 11.62 G5V 180457.08-414708.6

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

 
 
WDS 18050-4147 CPO 78 (HD 164837) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18050-4147 CPO 78 (HD 164837) : MEASURES
 
 
No records found.

 
 
WDS 18050-4147 (HD 164837) : VIRTUAL EYEPIECE
 
 

18050-4147 CPO 78A mag 9.82 Sp G5V 18050-4147 CPO 78B sep 83.1 P.A. 21.00 mag 11.62 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18050-4147 (HD 164837) : ALADIN DSS IMAGE @ 18h 04m 57.08s -41° 47' 08.6"
 
 
 
 
WDS 18050-4147 CPO 78 (HD 164837) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18050-4147 CPO 78 distance=0' 18064-4145 HJ 5011 distance=17' 18065-4141 DAW 220 distance=19' 18032-4132 BRT1014 distance=25' 18025-4152 BRT1013 distance=27' 18026-4204 HJ 5004 distance=32' 18060-4223 CPO9256 distance=38' 18065-4100 RST2028 distance=51' 18055-4238 CPO 572AB distance=52' 18084-4225 CPO 573 distance=54' 18003-4137 BRT1010 distance=54' 18105-4150 BRT1028 distance=62' 18044-4044 RST2023 distance=64' 18096-4227 BRT1026 distance=66' 18036-4253 DON 879 distance=68' 18051-4040 CPO 571 distance=68' 17589-4128 CPO 568 distance=71' 17597-4105 RST2013 distance=73' 17597-4106 RST2012 distance=73' 18116-4125 I 1352 distance=78' 18044-4306 DON 880 distance=79' 17583-4222 TDT 604 distance=82' 18093-4041 BRT1025 distance=83' 17586-4059 SKF1926 distance=86' 17584-4236 CPO 565 distance=88' 17596-4044 I 1348 distance=88' 18002-4258 WFC 204 distance=89' 18043-4019 WG 222 distance=89' 17580-4233 TDT 599 distance=90' 18118-4238 I 1353 distance=92' 18135-4147 BRT1034 distance=96' 18128-4233 BRT1030 distance=98' 18133-4220 BRT1032 distance=99' 18107-4032 HJ 5025 distance=99' 18139-4140 BRT1035 distance=100' 18068-4325 HJ 5014 distance=101' 18037-4008 TDS 901 distance=101' 17558-4148 VOU 79 distance=102' 18139-4126 BRT1036 distance=103' 18030-4328 SEE 345 distance=103' 18135-4230 BRT1033 distance=105' 18116-4035 WG 227 distance=105' 18108-4026 HJ 5023 distance=105' 18089-4012 TDT 709 distance=106' 18007-4321 LDS 620 distance=106' 18137-4108 ARY 125AB distance=106' 18137-4108 ARY 125AC distance=106' 17589-4310 DON 873 distance=107' 17591-4312 DON 874 distance=108' 17555-4206 VOU 78 distance=108' 18090-4009 WG 224 distance=108' 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 18050-4147 CPO 78 27 87.3
Show 18064-4145 HJ 5011 344 28.1 17
Show 18065-4141 DAW 220 243 8.1 19
Show 18032-4132 BRT1014 272 5.7 25
Show 18025-4152 BRT1013 348 6.1 27
Show 18026-4204 HJ 5004 289 12.7 32
Show 18060-4223 CPO9256 65 4.5 38
Show 18065-4100 RST2028 23 6.1 51
Show 18055-4238 CPO 572 AB 289 5.1 52
Show 18084-4225 CPO 573 25 4.9 54
Show 18003-4137 BRT1010 125 6.1 54
Show 18105-4150 BRT1028 299 4.0 62
Show 18044-4044 RST2023 65 2.4 64
Show 18096-4227 BRT1026 4 5.7 66
Show 18036-4253 DON 879 278 2.0 68
Show 18051-4040 CPO 571 212 4.1 68
Show 17589-4128 CPO 568 100 4.5 71
Show 17597-4105 RST2013 206 0.7 73
Show 17597-4106 RST2012 140 0.7 73
Show 18116-4125 I 1352 72 2.1 78
Show 18044-4306 DON 880 178 3.3 79
Show 17583-4222 TDT 604 257 0.4 82
Show 18093-4041 BRT1025 56 4.7 83
Show 17586-4059 SKF1926 242 2.4 86
Show 17584-4236 CPO 565 329 1.7 88
Show 17596-4044 I 1348 59 3.4 88
Show 18002-4258 WFC 204 291 7.8 89
Show 18043-4019 WG 222 33 8.4 89
Show 17580-4233 TDT 599 265 0.6 90
Show 18118-4238 I 1353 73 1.2 92
Show 18135-4147 BRT1034 171 3.0 96
Show 18128-4233 BRT1030 7 4.6 98
Show 18133-4220 BRT1032 93 5.6 99
Show 18107-4032 HJ 5025 99 45.3 99
Show 18139-4140 BRT1035 89 5.2 100
Show 18068-4325 HJ 5014 1.8 101
Show 18037-4008 TDS 901 262 0.9 101
Show 17558-4148 VOU 79 154 4.7 102
Show 18139-4126 BRT1036 194 6.1 103
Show 18030-4328 SEE 345 139 15.3 103
Show 18135-4230 BRT1033 91 2.8 105
Show 18116-4035 WG 227 187 6.2 105
Show 18108-4026 HJ 5023 276 8.7 105
Show 18089-4012 TDT 709 311 2.0 106
Show 18007-4321 LDS 620 331 3.4 106
Show 18137-4108 ARY 125 AB 354 25.9 106
Show 18137-4108 ARY 125 AC 76 27.9 106
Show 17589-4310 DON 873 57 0.2 107
Show 17591-4312 DON 874 61 1.6 108
Show 17555-4206 VOU 78 128 4.9 108
Show 18090-4009 WG 224 352 6.1 108

 
 
WDS 18050-4147 : COMPONENTS
 
 
  A
B pa=21.0°
sep=83.13"
 
 
18050-4147 A
 
 
Componente originario normalizzato AB Name HD 164837 Coord arcsec 2000 180457.08-414708.6 Mag 9.82
Spectral class G5V (yellow) PmRA 11.00 PmDE -68.0 HIP 88557
Tycho2 7907-05029-1 HD 164837 CD CD-4112377 CP CP-41 8525
Tycho2
Tycho2 7907-05029-1 Pflag RAmdeg 271.23786781 DEmdeg -41.78573340
PmRA 7.9 PmDE -68.2 E RAmdeg 16 E DEmdeg 20
E pmRA 1.3 E pmDE 1.3 EpRAm 1987.22 EpDEm 1984.68
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 1.0
Q pmDE 0.5 BTmag 10.582 E BTmag 0.037 VTmag 9.822
E VTmag 0.026 Prox 999 TYC T HIP 88557
CCDM RAdeg 271.23784361 DEdeg -41.78557306 EpRA 1990 1.62
EpDE 1990 1.49 E RAdeg 16.8 E DEdeg 21.7 Posflg
Corr -0.2
Hipparcos
Catalog H HIP 88557 Proxy RAhms 18 04 57.08
DEdms -41 47 08.1 Vmag 9.71 VarFlag R Vmag H
RAdeg 271.238 DEdeg -41.7856 AstroRef Plx 8.85
CCDM 18050-4147 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164837 BD
CD CD-4112377 CP CP-41 8525 Dm number -4112377 VIred 0.76
SpType G5V R SpType Coord arcsec 2000 180457.08-414708.1
Hipparcos 2
HIP 88557 Sn 5 So 0 Nc 1
RArad 4.7339933992 DErad -0.7292957787 Plx 9.93 PmRA 9.63
PmDE -66.1 E RArad 1.78 E DErad 0.82 E Plx 1.83
E pmRA 1.86 E pmDE 0.76 Hpmag 9.8524 E Hpmag 0.0026
SHp 0.02 VA 0 BV 0.708 E BV 0.037
VI 0.76
CCDM
Ccdm 18050-4147 RComp Comp A Note1
Note2 Discov num DRAs -2.92 DDEs -9.6
R dRAs 31 Year Theta Rho
Obs 2 Vmag 9.8 Sp G0 PmNote *
PmRA 1 PmDE -82 Dm number -4112377 Cat1 CD
Name2 Cat2 HD 164837 M HD
ADS BDS M ADS BDS N IDS IDS 17578S4147A
HIC 88557
 
 
18050-4147 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180459.74-414551.0 Mag 11.62 PmRA -1.00
PmDE -56.0 Calc delta mag 1.8 Calc coord yes
CCDM
Ccdm 18050-4147 RComp Comp B Note1
Note2 Discov num CPO 78 DRAs DDEs
R dRAs Year Theta 030 Rho 120.0
Obs Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17578S4147B
HIC