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Doubles in session


Current system
18543-4252
DON 931
HD 174823


Nearby doubles
19' : 18541-4310
BRT1081

24' : 18565-4246
KPP 428

29' : 18561-4230
LDS 658

41' : 18508-4301
UC 3694

44' : 18506-4304
BRT1080

52' : 18547-4343
RSS 494

56' : 18516-4337
UC 3698

59' : 18508-4335
DON 926

65' : 18599-4316
TDT1175

71' : 18530-4143
UC 3710

74' : 18565-4401
DON 935

75' : 19012-4250
UC 3761

77' : 18482-4216
CPO9001

79' : 18481-4330
KPP4341AB

82' : 18554-4131
BRT1082

83' : 19012-4327
TDT1183

83' : 18472-4315
BRT1078

87' : 18468-4318
BRT1077

90' : 18555-4420
UC 3726

94' : 19029-4245
LDS 663

95' : 19024-4219
UC 3770

96' : 18583-4417
CPO 604

98' : 19032-4255
TDT1201

98' : 18583-4418
B 2872

99' : 19027-4216
POL 7

100' : 18457-4226
HDS2660



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

18543-4252 DON 931 (HD 174823)

 
 
18h 54m 23.24s -42° 51' 49.4" P.A. 246.00 sep 0.5 mag 9.80,11.20 Sp K1III:
 
 
Coord 2000 18543-4252 Discov num DON 931 Comp Coord arcsec 2000 18 54 23.24 -42 51 49.4
Date first 1931 Date last 1936 Obs 2
Pa first 249 Pa last 245.8 P.A. Now (θ) 245.8°
Sep first 0.4 Sep last 0.54 Sep. Now (ρ) 0.54"
Mag pri 9.80 Mag sec 11.20 delta mag (ΔM) 1.4 Spectral class K1III: (yellow-orange)
Pri motion ra +009 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174823 Constellation Corona Austrina Tycho2 7924-00499-1 Gaia DR2 6715306509763699712
HD 174823
 
 
WDS 18543-4252 DON 931 (HD 174823) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 DON Donner, H.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18543-4252 DON 931 1936 2 246 0.5 9.80 11.20 K1III: 185423.24-425149.4

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

 
 
WDS 18543-4252 DON 931 (HD 174823) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18543-4252 DON 931 (HD 174823) : MEASURES
 
 
No records found.

 
 
WDS 18543-4252 (HD 174823) : VIRTUAL EYEPIECE
 
 

18543-4252 DON 931A mag 9.8 Sp K1III: 18543-4252 DON 931B sep 0.4 P.A. 238.50 mag 11.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18543-4252 (HD 174823) : ALADIN DSS IMAGE @ 18h 54m 23.24s -42° 51' 49.4"
 
 
 
 
WDS 18543-4252 DON 931 (HD 174823) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18543-4252 DON 931 distance=0' 18541-4310 BRT1081 distance=19' 18565-4246 KPP 428 distance=24' 18561-4230 LDS 658 distance=29' 18508-4301 UC 3694 distance=41' 18506-4304 BRT1080 distance=44' 18547-4343 RSS 494 distance=52' 18516-4337 UC 3698 distance=56' 18508-4335 DON 926 distance=59' 18599-4316 TDT1175 distance=65' 18530-4143 UC 3710 distance=71' 18565-4401 DON 935 distance=74' 18522-4143 HDO 291A,BC distance=74' 18522-4143 I 1385BC distance=75' 19012-4250 UC 3761 distance=75' 18482-4216 CPO9001 distance=77' 18481-4330 KPP4341BC distance=79' 18481-4330 KPP4341AB distance=79' 18481-4330 KPP4341AC distance=79' 18554-4131 BRT1082 distance=82' 19012-4327 TDT1183 distance=83' 18472-4315 BRT1078 distance=83' 18468-4318 BRT1077 distance=87' 18555-4420 UC 3726 distance=90' 19029-4245 LDS 663 distance=94' 19024-4219 UC 3770 distance=95' 18583-4417 CPO 604 distance=96' 19032-4255 TDT1201 distance=98' 18583-4418 B 2872 distance=98' 19027-4216 POL 7 distance=99' 18457-4226 HDS2660 distance=100' 19034-4238 SEE 365 distance=101' 18463-4206 DON 922 distance=101' 19035-4310 UC 3780AB distance=102' 18599-4131 UC 3750 distance=102' 19035-4310 KPP4394BC distance=102' 18499-4422 DON 925 distance=103' 18572-4114 UC 3736 distance=104' 18524-4111 UC 3704 distance=104' 19021-4151 DON 939 distance=106' 18494-4120 TDT1073 distance=108' 18459-4158 UC 3665 distance=109' 19016-4407 COO 229 distance=109' 18588-4115 TOI1061 distance=109' 18489-4120 RST2075 distance=111' 18455-4155 FAL 64AB distance=114' 18583-4438 NZO 96 distance=115' 18510-4104 HJ 5066 distance=115' 18548-4054 CPO 601 distance=118' 19054-4300 UC 3794 distance=121' 19054-4239 CPO 608AB distance=123' 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 18543-4252 DON 931 246 0.5 0
Show 18541-4310 BRT1081 246 3.8 19
Show 18565-4246 KPP 428 348 3.5 24
Show 18561-4230 LDS 658 258 76.1 29
Show 18508-4301 UC 3694 319 27.5 41
Show 18506-4304 BRT1080 308 5.5 44
Show 18547-4343 RSS 494 350 23.0 52
Show 18516-4337 UC 3698 114 50.9 56
Show 18508-4335 DON 926 274 0.9 59
Show 18599-4316 TDT1175 72 0.6 65
Show 18530-4143 UC 3710 97 52.0 71
Show 18565-4401 DON 935 26 1.3 74
Show 18522-4143 HDO 291 A,BC 341 36.6 74
Show 18522-4143 I 1385 BC 292 0.6 75
Show 19012-4250 UC 3761 94 46.6 75
Show 18482-4216 CPO9001 216 2.6 77
Show 18481-4330 KPP4341 BC 302 7.1 79
Show 18481-4330 KPP4341 AB 144 2.1 79
Show 18481-4330 KPP4341 AC 297 6.0 79
Show 18554-4131 BRT1082 273 2.8 82
Show 19012-4327 TDT1183 233 0.6 83
Show 18472-4315 BRT1078 302 3.2 83
Show 18468-4318 BRT1077 331 4.1 87
Show 18555-4420 UC 3726 79 19.9 90
Show 19029-4245 LDS 663 76 5.7 94
Show 19024-4219 UC 3770 141 16.6 95
Show 18583-4417 CPO 604 305 4.7 96
Show 19032-4255 TDT1201 91 0.5 98
Show 18583-4418 B 2872 301 3.8 98
Show 19027-4216 POL 7 187 2.5 99
Show 18457-4226 HDS2660 354 0.1 100
Show 19034-4238 SEE 365 256 4.3 101
Show 18463-4206 DON 922 316 8.4 101
Show 19035-4310 UC 3780 AB 71 16.6 102
Show 18599-4131 UC 3750 220 45.9 102
Show 19035-4310 KPP4394 BC 338 4.0 102
Show 18499-4422 DON 925 170 2.7 103
Show 18572-4114 UC 3736 46 53.2 104
Show 18524-4111 UC 3704 144 64.9 104
Show 19021-4151 DON 939 89 1.3 106
Show 18494-4120 TDT1073 3 0.5 108
Show 18459-4158 UC 3665 87 37.2 109
Show 19016-4407 COO 229 339 3.2 109
Show 18588-4115 TOI1061 174 0.4 109
Show 18489-4120 RST2075 96 9.5 111
Show 18455-4155 FAL 64 AB 134 11.9 114
Show 18583-4438 NZO 96 115 5.5 115
Show 18510-4104 HJ 5066 85 10.1 115
Show 18548-4054 CPO 601 246 6.1 118
Show 19054-4300 UC 3794 146 38.9 121
Show 19054-4239 CPO 608 AB 250 5.3 123

 
 
WDS 18543-4252 : COMPONENTS
 
 
  A
B pa=238.5°
sep=0.42"
 
 
18543-4252 A
 
 
Name HD 174823 Coord arcsec 2000 185423.24-425149.4 Mag 9.8 Spectral class K1III: (yellow-orange)
PmRA 9.00 PmDE 1.0 Tycho2 7924-00499-1 HD 174823
Tycho2
Tycho2 7924-00499-1 Pflag RAmdeg 283.59682134 DEmdeg -42.86374484
PmRA 9.1 PmDE 1.4 E RAmdeg 17 E DEmdeg 20
E pmRA 1.6 E pmDE 1.3 EpRAm 1989.73 EpDEm 1984.92
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 0.9 BTmag 11.065 E BTmag 0.052 VTmag 9.558
E VTmag 0.024 Prox 999 TYC T HIP
CCDM RAdeg 283.59679389 DEdeg -42.86374861 EpRA 1990 1.79
EpDE 1990 1.76 E RAdeg 16.7 E DEdeg 21.9 Posflg
Corr -0.1
 
 
18543-4252 B
 
 
Coord arcsec 2000 185423.21-425149.6 Mag 11.2 Calc delta mag 1.4 Calc coord yes