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Doubles in session


Current system
18209-4021
WG 231


Nearby doubles
6' : 18213-4024
WG 232

29' : 18222-4046
WG 233

32' : 18227-4045
CBL 169

49' : 18173-3956
WG 230

50' : 18167-4034
WG 229

53' : 18164-4028
I 1020

71' : 18271-4025
TDT 875

78' : 18243-3914
B 1357

86' : 18222-3857
ALD 69

86' : 18155-4120
KPP2266

91' : 18162-3908
TDT 767

95' : 18137-4108
ARY 125AB

98' : 18271-3916
HDS2610

99' : 18251-4148
BRT1050

102' : 18235-3844
I 1364

103' : 18139-4126
BRT1036

107' : 18116-4035
WG 227

110' : 18161-3847
RSS 481

112' : 18285-4129
BRT1058AB

112' : 18307-4018
WG 234

113' : 18139-4140
BRT1035

114' : 18195-4213
BRT1042

116' : 18108-4026
HJ 5023

117' : 18130-3910
I 1018

118' : 18107-4032
HJ 5025

118' : 18122-3921
BU 759AB



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

18209-4021 WG 231

 
 
18h 20m 56.05s -40° 21' 10.7" P.A. 231.00 sep 9.3 mag 11.50,11.80
 
 
Coord 2000 18209-4021 Discov num WG  231 Comp Coord arcsec 2000 18 20 56.05 -40 21 10.7
Date first 1898 Date last 2015 Obs 6
Pa first 248 Pa last 231.3 P.A. Now (θ) 231.3°
Sep first 8.0 Sep last 9.263 Sep. Now (ρ) 9.263"
Mag pri 11.50 Mag sec 11.80 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +001 Sec motion ra +003
Pri motion dec +004 Sec motion dec -021
Notes
rPM=1.182
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corona Austrina Tycho2 7905-01121-1 Gaia DR2 6726450438092164736
 
 
WDS 18209-4021 WG 231 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Wg_1911a Ma - Wrigley, R.W. 1911MNRAS..71..479W
Wg_1911a MNRAS 71, 479, 1911
Wg_1911 Pa j Wrigley, R.W. 1911MNRAS..72...34W
Wg_1911 MNRAS 72, 34, 1911
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18209-4021 WG 231 1999 3 53 9.1 11.50 11.80 D 182056.05-402110.8
18209-4021 WG 231 2015 6 231 9.3 11.50 11.80 182056.05-402110.7

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

 
 
WDS 18209-4021 WG 231 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18209-4021 WG 231 : MEASURES
 
 
No records found.

 
 
WDS 18209-4021 : VIRTUAL EYEPIECE
 
 

18209-4021 WG 231A mag 11.5 18209-4021 WG 231B sep 8.0 P.A. 223.60 mag 11.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18209-4021 : ALADIN DSS IMAGE @ 18h 20m 56.05s -40° 21' 10.7"
 
 
 
 
WDS 18209-4021 WG 231 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18209-4021 WG 231 distance=1' 18213-4024 WG 232 distance=6' 18222-4046 WG 233 distance=29' 18227-4045 CBL 169 distance=32' 18173-3956 WG 230 distance=49' 18167-4034 WG 229 distance=50' 18164-4028 I 1020 distance=53' 18271-4025 TDT 875 distance=71' 18243-3914 B 1357 distance=78' 18222-3857 ALD 69 distance=86' 18155-4120 KPP2266 distance=86' 18162-3908 TDT 767 distance=91' 18137-4108 ARY 125AB distance=95' 18137-4108 ARY 125AC distance=95' 18271-3916 HDS2610 distance=98' 18251-4148 BRT1050 distance=99' 18235-3844 I 1364 distance=102' 18139-4126 BRT1036 distance=103' 18116-4035 WG 227 distance=107' 18161-3847 RSS 481 distance=110' 18285-4129 BRT1058AB distance=112' 18285-4129 BRT1058Aa,Ab distance=112' 18307-4018 WG 234 distance=112' 18139-4140 BRT1035 distance=113' 18195-4213 BRT1042 distance=114' 18108-4026 HJ 5023 distance=116' 18130-3910 I 1018 distance=117' 18107-4032 HJ 5025 distance=118' 18122-3921 HJ 5028BC distance=118' 18122-3921 BU 759AB distance=118' 18122-3921 HJ 5028AC distance=118' 18205-4219 DON 889 distance=118' 18274-4154 TDT 883 distance=119' 18135-4147 BRT1034 distance=121' 18116-4125 I 1352 distance=125' 18300-4134 RST2058 distance=126' 18321-4046 RST4014AB distance=130' 18321-4046 RST4014Aa,Ab distance=130' 18245-3817 TDT 843 distance=131' 18322-4045 RST2061 distance=131' 18224-4232 TDT 820 distance=133' 18325-4017 RST4015 distance=133' 18093-4041 BRT1025 distance=135' 18165-3817 RST2041 distance=135' 18093-4006 I 1351 distance=135' 18293-4157 B 2449 distance=135' 18300-4149 TDT 915 distance=136' 18274-3827 RST2055 distance=137' 18090-4009 WG 224 distance=138' 18267-3821 RST2052 distance=138' 18089-4012 TDT 709 distance=138' 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 18209-4021 WG 231 231 9.3 1
Show 18213-4024 WG 232 206 6.0 6
Show 18222-4046 WG 233 6 11.5 29
Show 18227-4045 CBL 169 160 12.7 32
Show 18173-3956 WG 230 88 2.4 49
Show 18167-4034 WG 229 206 6.3 50
Show 18164-4028 I 1020 273 0.5 53
Show 18271-4025 TDT 875 235 2.2 71
Show 18243-3914 B 1357 303 5.0 78
Show 18222-3857 ALD 69 82 2.4 86
Show 18155-4120 KPP2266 341 19.0 86
Show 18162-3908 TDT 767 3 2.4 91
Show 18137-4108 ARY 125 AB 354 25.9 95
Show 18137-4108 ARY 125 AC 76 27.9 95
Show 18271-3916 HDS2610 110 7.0 98
Show 18251-4148 BRT1050 312 2.8 99
Show 18235-3844 I 1364 176 0.1 102
Show 18139-4126 BRT1036 194 6.1 103
Show 18116-4035 WG 227 187 6.2 107
Show 18161-3847 RSS 481 196 9.8 110
Show 18285-4129 BRT1058 AB 178 5.2 112
Show 18285-4129 BRT1058 Aa,Ab 102 0.2 112
Show 18307-4018 WG 234 113 6.9 112
Show 18139-4140 BRT1035 89 5.2 113
Show 18195-4213 BRT1042 264 7.0 114
Show 18108-4026 HJ 5023 276 8.7 116
Show 18130-3910 I 1018 336 1.1 117
Show 18107-4032 HJ 5025 99 45.3 118
Show 18122-3921 HJ 5028 BC 151 13.0 118
Show 18122-3921 BU 759 AB 124 2.0 118
Show 18122-3921 HJ 5028 AC 148 14.9 118
Show 18205-4219 DON 889 260 0.8 118
Show 18274-4154 TDT 883 294 0.5 119
Show 18135-4147 BRT1034 171 3.0 121
Show 18116-4125 I 1352 72 2.1 125
Show 18300-4134 RST2058 38 0.5 126
Show 18321-4046 RST4014 AB 231 0.3 130
Show 18321-4046 RST4014 Aa,Ab 327 0.1 130
Show 18245-3817 TDT 843 98 0.6 131
Show 18322-4045 RST2061 132 2.4 131
Show 18224-4232 TDT 820 237 2.1 133
Show 18325-4017 RST4015 34 3.3 133
Show 18093-4041 BRT1025 56 4.7 135
Show 18165-3817 RST2041 198 1.7 135
Show 18093-4006 I 1351 215 0.7 135
Show 18293-4157 B 2449 269 10.2 135
Show 18300-4149 TDT 915 90 0.8 136
Show 18274-3827 RST2055 14 0.9 137
Show 18090-4009 WG 224 352 6.1 138
Show 18267-3821 RST2052 278 1.4 138
Show 18089-4012 TDT 709 311 2.0 138

 
 
WDS 18209-4021 : COMPONENTS
 
 
  A
B pa=223.6°
sep=7.99"
 
 
18209-4021 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182056.05-402110.7 Mag 11.5 PmRA 1.00
PmDE 4.0 DM CD-4012403
 
 
18209-4021 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182055.57-402116.5 Mag 11.8 PmRA 3.00
PmDE -21.0 Tycho2 7905-01121-1 Calc delta mag 0.3 Calc coord yes
Tycho2
Tycho2 7905-01121-1 Pflag RAmdeg 275.23353749 DEmdeg -40.35301807
PmRA 1.8 PmDE 2.5 E RAmdeg 81 E DEmdeg 105
E pmRA 2.5 E pmDE 2.5 EpRAm 1978.76 EpDEm 1965.20
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.3 Q pmRA 0.4
Q pmDE 0.3 BTmag 13.064 E BTmag 0.328 VTmag 11.850
E VTmag 0.189 Prox 648 TYC HIP
CCDM RAdeg 275.23353250 DEdeg -40.35302389 EpRA 1990 1.81
EpDE 1990 1.76 E RAdeg 87.2 E DEdeg 124.5 Posflg
Corr 0.0