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Doubles in session


Current system
18314-4322
CPO 81 AB
HD 170418


Nearby doubles
10' : 18312-4312
DAM 677

17' : 18309-4307
BRT1061

22' : 18312-4344
I 1369

30' : 18287-4318
DON 903

38' : 18308-4358
DON 905

44' : 18295-4243
DON 904

45' : 18298-4241
BRT1059

46' : 18289-4246
CPO9267

46' : 18341-4358
BRT1064

48' : 18334-4240
CPO 82AB

55' : 18332-4413
CPO9269

63' : 18297-4221
BRT1060

65' : 18325-4425
DON 908

66' : 18362-4402
BRT1068

71' : 18341-4218
DON 910

73' : 18310-4434
CPO 589

74' : 18269-4228
BRT1054

77' : 18270-4223
BRT1055

77' : 18368-4233
CRI 20

78' : 18297-4438
TOI1118

79' : 18345-4433
BRT1065

79' : 18364-4419
TSN 50

81' : 18257-4412
DON 898

81' : 18359-4426
HDS2638

82' : 18302-4202
CPO 587

84' : 18323-4159
CPO9268



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

18314-4322 CPO 81 AB (HD 170418)

 
 
18h 31m 25.03s -43° 21' 54.5" P.A. 35.00 sep 12.4 mag 8.68,10.00 Sp G3V
 
 
Coord 2000 18314-4322 Discov num CPO  81 Comp AB Coord arcsec 2000 18 31 25.03 -43 21 54.5
Date first 1901 Date last 2015 Obs 8
Pa first 37 Pa last 34.9 P.A. Now (θ) 34.9°
Sep first 12.5 Sep last 12.367 Sep. Now (ρ) 12.367"
Mag pri 8.68 Mag sec 10.00 delta mag (ΔM) 1.32 Spectral class G3V (yellow)
Pri motion ra -064 Sec motion ra -060
Pri motion dec -205 Sec motion dec -197
Notes N (See Notes)
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
18314-4322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170418 229086 18 31 25 -43 21 54 CPO 81 AB 2015 8 35 12.4 8.68 10.00 1.32 <===
Show 229086 18 31 25 -43 21 54 CPO 81 AC 1999 5 110 8.1 8.68 12.40 3.72
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170418 Constellation Corona Austrina SAO 229086 Tycho2 7914-00719-1
Gaia DR2 6721849084983161856 HD 170418 GC 25264
 
 
WDS 18314-4322 CPO 81 AB (HD 170418) : NOTES
 
 
discov_num notes refcode
CPO 81 AB = LDS 641.
 
 
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CpO9999 Unpublished, manuscript or reference not found.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
18314-4322 CPO 81 AB 1999 4 35 12.4 8.68 10.00 G3V N D 183125.03-432154.5
18314-4322 CPO 81 AB 2010 7 36 12.0 8.68 10.00 G3V N 183125.03-432154.5
18314-4322 CPO 81 AB 2015 7 35 12.4 8.68 10.00 G3V N 183125.03-432154.5

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

 
 
WDS 18314-4322 CPO 81 AB (HD 170418) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18314-4322 CPO 81 AB (HD 170418) : MEASURES
 
 
No records found.

 
 
WDS 18314-4322 (HD 170418) : VIRTUAL EYEPIECE
 
 

18314-4322 CPO 81A mag 8.68 Sp G3V 18314-4322 CPO 81B sep 11.4 P.A. 26.90 mag 10 18314-4322 CPO 81C sep 6.2 P.A. 116.30 mag 12.4 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 18314-4322 (HD 170418) : ALADIN DSS IMAGE @ 18h 31m 25.03s -43° 21' 54.5"
 
 
 
 
WDS 18314-4322 CPO 81 AB (HD 170418) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18314-4322 CPO 81AB distance=0' 18312-4312 DAM 677 distance=10' 18309-4307 BRT1061 distance=17' 18312-4344 I 1369 distance=22' 18287-4318 DON 903 distance=30' 18308-4358 DON 905 distance=38' 18295-4243 DON 904 distance=44' 18298-4241 BRT1059 distance=45' 18289-4246 CPO9267 distance=46' 18341-4358 BRT1064 distance=46' 18334-4240 CPO 82AB distance=48' 18334-4240 I 9020AC distance=48' 18332-4413 CPO9269 distance=55' 18297-4221 BRT1060 distance=63' 18325-4425 DON 908 distance=65' 18362-4402 BRT1068 distance=66' 18341-4218 DON 910 distance=71' 18310-4434 CPO 589 distance=73' 18269-4228 BRT1054 distance=74' 18270-4223 BRT1055 distance=77' 18368-4233 CRI 20 distance=77' 18297-4438 TOI1118 distance=78' 18345-4433 BRT1065 distance=79' 18364-4419 TSN 50 distance=79' 18257-4412 DON 898 distance=81' 18359-4426 HDS2638 distance=81' 18302-4202 CPO 587 distance=82' 18323-4159 CPO9268 distance=84' 18390-4336 BRT1073AB distance=85' 18390-4336 DAM 113AC distance=85' 18385-4247 DON 915 distance=86' 18382-4240 CPO 595 distance=86' 18304-4448 UC 3597 distance=87' 18329-4156 B 2453 distance=87' 18293-4157 B 2449 distance=88' 18243-4407 DUN 221 distance=90' 18300-4149 TDT 915 distance=95' 18233-4247 COO 224 distance=96' 18228-4304 KPP3112 distance=96' 18387-4419 BRT1072 distance=97' 18370-4207 I 1374 distance=97' 18404-4320 SKF1149 distance=99' 18274-4154 TDT 883 distance=99' 18366-4444 TDT 955 distance=100' 18408-4330 DON 918 distance=103' 18300-4134 RST2058 distance=110' 18224-4232 TDT 820 distance=112' 18278-4507 BRT1057 distance=113' 18367-4500 CPO 594 distance=115' 18211-4344 BRT1045 distance=115' 18285-4129 BRT1058AB distance=116' 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 18314-4322 CPO 81 AB 35 12.4
Show 18314-4322 CPO 81 AC 110 8.1
Show 18312-4312 DAM 677 210 3.5 10
Show 18309-4307 BRT1061 26 9.3 17
Show 18312-4344 I 1369 238 4.3 22
Show 18287-4318 DON 903 149 1.2 30
Show 18308-4358 DON 905 53 0.5 38
Show 18295-4243 DON 904 108 1.2 44
Show 18298-4241 BRT1059 23 2.7 45
Show 18289-4246 CPO9267 36 5.6 46
Show 18341-4358 BRT1064 332 4.4 46
Show 18334-4240 CPO 82 AB 45 5.9 48
Show 18334-4240 I 9020 AC 74 25.1 48
Show 18332-4413 CPO9269 317 4.0 55
Show 18297-4221 BRT1060 179 3.2 63
Show 18325-4425 DON 908 229 2.3 65
Show 18362-4402 BRT1068 141 1.8 66
Show 18341-4218 DON 910 143 0.6 71
Show 18310-4434 CPO 589 293 8.3 73
Show 18269-4228 BRT1054 165 3.5 74
Show 18270-4223 BRT1055 81 5.5 77
Show 18368-4233 CRI 20 92 8.4 77
Show 18297-4438 TOI1118 132 0.2 78
Show 18345-4433 BRT1065 155 5.3 79
Show 18364-4419 TSN 50 346 174.9 79
Show 18257-4412 DON 898 24 0.5 81
Show 18359-4426 HDS2638 21 7.3 81
Show 18302-4202 CPO 587 56 4.6 82
Show 18323-4159 CPO9268 83 5.3 84
Show 18390-4336 BRT1073 AB 285 4.3 85
Show 18390-4336 DAM 113 AC 153 10.2 85
Show 18385-4247 DON 915 211 2.5 86
Show 18382-4240 CPO 595 17 3.9 86
Show 18304-4448 UC 3597 132 75.2 87
Show 18329-4156 B 2453 256 6.3 87
Show 18293-4157 B 2449 269 10.2 88
Show 18243-4407 DUN 221 162 74.0 90
Show 18300-4149 TDT 915 90 0.8 95
Show 18233-4247 COO 224 135 3.0 96
Show 18228-4304 KPP3112 334 2.4 96
Show 18387-4419 BRT1072 80 5.3 97
Show 18370-4207 I 1374 119 2.2 97
Show 18404-4320 SKF1149 22 42.5 99
Show 18274-4154 TDT 883 294 0.5 99
Show 18366-4444 TDT 955 231 0.5 100
Show 18408-4330 DON 918 130 2.1 103
Show 18300-4134 RST2058 38 0.5 110
Show 18224-4232 TDT 820 237 2.1 112
Show 18278-4507 BRT1057 44 7.2 113
Show 18367-4500 CPO 594 234 5.0 115
Show 18211-4344 BRT1045 74 4.3 115

 
 
WDS 18314-4322 : COMPONENTS
 
 
  A B
B pa=26.9°
sep=11.37"
 
C pa=116.3°
sep=6.18"
pa=178.2°
sep=12.89"
 
 
18314-4322 A
 
 
Name HD 170418 Coord arcsec 2000 183125.03-432154.5 Mag 8.68 Spectral class G3V (yellow)
PmRA -64.00 PmDE -205.0 SAO 229086 Tycho2 7914-00719-1
HD 170418 GC 25264 DM CD-4312591
Tycho2
Tycho2 7914-00719-1 Pflag RAmdeg 277.85432023 DEmdeg -43.36515552
PmRA 4.3 PmDE 25.5 E RAmdeg 8 E DEmdeg 11
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.65 EpDEm 1991.38
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.5 Q pmRA 0.2
Q pmDE 1.5 BTmag 9.392 E BTmag 0.021 VTmag 8.682
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 277.85430722 DEdeg -43.36521389 EpRA 1990 1.85
EpDE 1990 1.78 E RAdeg 8.4 E DEdeg 10.6 Posflg
Corr 0.0
SAO
SAO 229086 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.201 Vmag 8.6 SpType G5
Double code Source 70 CatNum 25264 DM CD-4312591
DMcomp A BDsup HD 170418 M HD 0
GC 25264 RA1950rad 4.83376787 DE1950rad -0.75745076 PmRA2000 -0.0009
PmDE2000 -0.203
CCDM
Ccdm 18314-4322 RComp Comp A Note1
Note2 Discov num DRAs 1.45 DDEs 3.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.6 Sp G5 PmNote *
PmRA -10 PmDE -203 Dm number -4312591 Cat1 CD
Name2 229086 Cat2 SAO HD 170418 M HD
ADS BDS M ADS BDS N IDS IDS 18242S4326A
HIC
 
 
18314-4322 B
 
 
Coord arcsec 2000 183125.50-432144.4 Mag 10 PmRA -60.00 PmDE -197.0
Calc delta mag 1.32 Calc coord yes
CCDM
Ccdm 18314-4322 RComp Comp B Note1
Note2 Discov num CPO 81 DRAs DDEs
R dRAs Year 1944 Theta 036 Rho 12.3
Obs 1 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18242S4326B
HIC
 
 
18314-4322 C
 
 
Coord arcsec 2000 183125.54-432157.2 Mag 12.4 Calc delta mag 3.72 Calc coord yes
CCDM
Ccdm 18314-4322 RComp Comp C Note1
Note2 Discov num CPO 81 DRAs DDEs
R dRAs Year 1959 Theta 191 Rho 9.4
Obs 3 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18242S4326C
HIC