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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



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Neglected List I
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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.

 
 
DISCOVERER
 
 
idgroup discov author
1 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
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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 0
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 0 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
 
 
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
 
 
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