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Doubles in session


Current system
18457-4226
HDS 2660
HD 173123


Nearby doubles
21' : 18463-4206
DON 922

28' : 18459-4158
UC 3665

30' : 18482-4216
CPO9001

31' : 18455-4155
FAL 64AB

41' : 18449-4146
BRT1076

42' : 18421-4237
UC 3645

52' : 18411-4227
TDS 932

52' : 18472-4315
BRT1078

52' : 18412-4210
I 250

54' : 18468-4318
BRT1077

59' : 18431-4134
I 1380

67' : 18402-4200
UC 3634

67' : 18508-4301
UC 3694

67' : 18506-4304
BRT1080

70' : 18481-4330
KPP4341AB

75' : 18489-4120
RST2075

77' : 18470-4110
TDS 944

78' : 18494-4120
TDT1073

80' : 18404-4320
SKF1149

81' : 18400-4137
I 1377

82' : 18385-4247
DON 915

84' : 18382-4240
CPO 595

85' : 18408-4330
DON 918

90' : 18508-4335
DON 926

92' : 18530-4143
UC 3710

96' : 18378-4148
BRT1071



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18457-4226 HDS 2660 (HD 173123)

 
 
18h 45m 41.37s -42° 25' 32.1" P.A. 354.00 sep 0.1 mag 8.81,10.22 Sp G6III dist. 229.36 pc (748.17 l.y.)
 
 
Coord 2000 18457-4226 Discov num HDS2660 Comp Coord arcsec 2000 18 45 41.37 -42 25 32.1
Date first 1991 Date last 1991 Obs 1
Pa first 354 Pa last 354 P.A. Now (θ) 354°
Sep first 0.1 Sep last 0.139 Sep. Now (ρ) 0.139"
Mag pri 8.81 Mag sec 10.22 delta mag (ΔM) 1.41 Spectral class G6III (yellow)
Pri motion ra +009 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173123 Constellation Corona Austrina SAO 229251 HIP 92046
Tycho2 7923-01481-1 Gaia DR2 6716280024232507520 HD 173123 CD CD-4213585
CP CP-42 8481 Distance 229.36 Distance ly 748.17
 
 
WDS 18457-4226 HDS 2660 (HD 173123) : 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
18457-4226 HDS2660 1991 1 354 0.1 8.81 10.22 G6III 184541.37-422532.1

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

 
 
WDS 18457-4226 HDS 2660 (HD 173123) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18457-4226 HDS 2660 (HD 173123) : MEASURES
 
 
No records found.

 
 
WDS 18457-4226 (HD 173123) : VIRTUAL EYEPIECE
 
 

18457-4226 HDS2660A mag 8.81 Sp G6III 18457-4226 HDS2660B sep 0.1 P.A. 355.60 mag 10.22 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 18457-4226 (HD 173123) : ALADIN DSS IMAGE @ 18h 45m 41.37s -42° 25' 32.1"
 
 
 
 
WDS 18457-4226 HDS 2660 (HD 173123) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18457-4226 HDS2660 distance=0' 18463-4206 DON 922 distance=21' 18459-4158 UC 3665 distance=28' 18482-4216 CPO9001 distance=30' 18455-4155 FAL 64AB distance=31' 18449-4146 BRT1076 distance=41' 18421-4237 UC 3645 distance=42' 18411-4227 TDS 932 distance=52' 18472-4315 BRT1078 distance=52' 18412-4210 I 250 distance=52' 18468-4318 BRT1077 distance=54' 18431-4134 I 1380 distance=59' 18402-4200 UC 3634 distance=67' 18508-4301 UC 3694 distance=67' 18506-4304 BRT1080 distance=67' 18481-4330 KPP4341AB distance=70' 18481-4330 KPP4341AC distance=70' 18481-4330 KPP4341BC distance=70' 18489-4120 RST2075 distance=75' 18470-4110 TDS 944 distance=77' 18494-4120 TDT1073 distance=78' 18404-4320 SKF1149 distance=80' 18400-4137 I 1377 distance=81' 18385-4247 DON 915 distance=82' 18382-4240 CPO 595 distance=84' 18408-4330 DON 918 distance=85' 18522-4143 HDO 291A,BC distance=85' 18522-4143 I 1385BC distance=85' 18508-4335 DON 926 distance=90' 18530-4143 UC 3710 distance=92' 18378-4148 BRT1071 distance=96' 18516-4337 UC 3698 distance=97' 18387-4127 HJ 5052 distance=98' 18368-4233 CRI 20 distance=99' 18370-4207 I 1374 distance=99' 18459-4046 HDS2661AB distance=100' 18543-4252 DON 931 distance=100' 18510-4104 HJ 5066 distance=101' 18390-4336 BRT1073AB distance=102' 18390-4336 DAM 113AC distance=102' 18418-4054 TDT1005 distance=102' 18541-4310 BRT1081 distance=103' 18420-4050 UC 3643 distance=104' 18524-4111 UC 3704 distance=107' 18366-4140 RST2067 distance=111' 18367-4137 CPO 593 distance=112' 18428-4416 LDS 649 distance=115' 18561-4230 LDS 658 distance=116' 18420-4034 UC 3642 distance=120' 18565-4246 KPP 428 distance=121' 18464-4025 RST2072AB distance=122' 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 18457-4226 HDS2660 354 0.1
Show 18463-4206 DON 922 316 8.4 21
Show 18459-4158 UC 3665 87 37.2 28
Show 18482-4216 CPO9001 216 2.6 30
Show 18455-4155 FAL 64 AB 134 11.9 31
Show 18449-4146 BRT1076 15 4.1 41
Show 18421-4237 UC 3645 333 14.3 42
Show 18411-4227 TDS 932 4.0 52
Show 18472-4315 BRT1078 302 3.2 52
Show 18412-4210 I 250 110 1.2 52
Show 18468-4318 BRT1077 331 4.1 54
Show 18431-4134 I 1380 170 1.5 59
Show 18402-4200 UC 3634 112 43.8 67
Show 18508-4301 UC 3694 319 27.5 67
Show 18506-4304 BRT1080 308 5.5 67
Show 18481-4330 KPP4341 AB 144 2.1 70
Show 18481-4330 KPP4341 AC 297 6.0 70
Show 18481-4330 KPP4341 BC 302 7.1 70
Show 18489-4120 RST2075 96 9.5 75
Show 18470-4110 TDS 944 139 2.4 77
Show 18494-4120 TDT1073 3 0.5 78
Show 18404-4320 SKF1149 22 42.5 80
Show 18400-4137 I 1377 81 1.7 81
Show 18385-4247 DON 915 211 2.5 82
Show 18382-4240 CPO 595 17 3.9 84
Show 18408-4330 DON 918 130 2.1 85
Show 18522-4143 HDO 291 A,BC 341 36.6 85
Show 18522-4143 I 1385 BC 292 0.6 85
Show 18508-4335 DON 926 274 0.9 90
Show 18530-4143 UC 3710 97 52.0 92
Show 18378-4148 BRT1071 353 3.6 96
Show 18516-4337 UC 3698 114 50.9 97
Show 18387-4127 HJ 5052 130 5.7 98
Show 18368-4233 CRI 20 92 8.4 99
Show 18370-4207 I 1374 119 2.2 99
Show 18459-4046 HDS2661 AB 263 4.3 100
Show 18543-4252 DON 931 246 0.5 100
Show 18510-4104 HJ 5066 85 10.1 101
Show 18390-4336 BRT1073 AB 285 4.3 102
Show 18390-4336 DAM 113 AC 153 10.2 102
Show 18418-4054 TDT1005 33 1.0 102
Show 18541-4310 BRT1081 246 3.8 103
Show 18420-4050 UC 3643 275 23.0 104
Show 18524-4111 UC 3704 144 64.9 107
Show 18366-4140 RST2067 192 1.6 111
Show 18367-4137 CPO 593 257 3.7 112
Show 18428-4416 LDS 649 240 130.4 115
Show 18561-4230 LDS 658 258 76.1 116
Show 18420-4034 UC 3642 337 47.0 120
Show 18565-4246 KPP 428 348 3.5 121
Show 18464-4025 RST2072 AB 241 1.5 122

 
 
WDS 18457-4226 : COMPONENTS
 
 
  A
B pa=355.6°
sep=0.14"
 
 
18457-4226 A
 
 
Componente originario normalizzato AB Name HD 173123 Coord arcsec 2000 184541.37-422532.1 Mag 8.81
Spectral class G6III (yellow) PmRA 9.00 PmDE 7.0 SAO 229251
HIP 92046 Tycho2 7923-01481-1 HD 173123 CD CD-4213585
CP CP-42 8481
Tycho2
Tycho2 7923-01481-1 Pflag RAmdeg 281.42238231 DEmdeg -42.42555859
PmRA 9.9 PmDE 5.6 E RAmdeg 10 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.38 EpDEm 1988.70
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.8 BTmag 9.455 E BTmag 0.024 VTmag 8.527
E VTmag 0.016 Prox 999 TYC T HIP 92046
CCDM AB RAdeg 281.42235083 DEdeg -42.42557056 EpRA 1990 1.75
EpDE 1990 1.71 E RAdeg 9.5 E DEdeg 11.8 Posflg P
Corr 0.0
SAO
SAO 229251 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 0.01 Vmag 8.5 SpType G5
Double code Source 48 CatNum 17649 DM CP-42 8481
DMcomp BDsup HD 173123 M HD 0
GC RA1950rad 4.89619154 DE1950rad -0.74139132 PmRA2000 0.0004
PmDE2000 0.008
Hipparcos
Catalog H HIP 92046 Proxy H RAhms 18 45 41.37
DEdms -42 25 32.1 Vmag 8.39 VarFlag R Vmag H
RAdeg 281.422 DEdeg -42.4256 AstroRef * Plx 2.53
CCDM 18457-4226 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 354 Rho 0.139 HD 173123 BD
CD CD-4213585 CP CP-42 8481 Dm number -4213585 VIred 0.87
SpType G6III R SpType Coord arcsec 2000 184541.37-422532.1
Hipparcos 2
HIP 92046 Sn 55 So 3 Nc 2
RArad 4.9117466695 DErad -0.7404659489 Plx 4.36 PmRA 9.66
PmDE 5.1 E RArad 1.06 E DErad 0.71 E Plx 1.22
E pmRA 1.3 E pmDE 0.84 Hpmag 8.5435 E Hpmag 0.0019
SHp 0.014 VA 0 BV 0.86 E BV 0.023
VI 0.87
CCDM
Ccdm 18457-4226 RComp Comp A Note1
Note2 Discov num DRAs -0.63 DDEs 28.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.8 Sp G6 PmNote *
PmRA 9 PmDE 7 Dm number -4213585 Cat1 CD
Name2 229251 Cat2 SAO HD 173123 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 92046
 
 
18457-4226 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184541.37-422532.0 Mag 10.22 Calc delta mag 1.41
Calc coord yes
CCDM
Ccdm 18457-4226 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.63 DDEs 28.1
R dRAs 82 Year 1991 Theta 354 Rho 0.1
Obs 1 Vmag 10.2 Sp PmNote *
PmRA 9 PmDE 7 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 92046