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Current system
18020-3150
RST 2021
HD 164336


Nearby doubles
37' : 18044-3211
PRO 196

42' : 18033-3112
RSS 469

43' : 18047-3214
JSP 767

44' : 18038-3227
RST2022

44' : 18054-3146
B 1349AB

47' : 18004-3232
TDT 628

50' : 18025-3101
TDT 648

51' : 17581-3147
TDT 601

54' : 17579-3143
RST2009

56' : 18062-3206
RST2029

58' : 17591-3107
TDT 611

60' : 17586-3231
TDT 607

63' : 17596-3056
TDS 895

68' : 17568-3135
PRO 194

68' : 18067-3223
RST2030

71' : 17566-3136
PRO 193

73' : 17573-3233
PRO 195

74' : 18007-3302
JSP 761

78' : 17562-3131
PRO 192

79' : 18048-3039
KPP2157

80' : 17573-3242
JSP 754

83' : 17557-3209
PRO 190

83' : 18082-3127
BRT3060

83' : 17563-3228
JSP 748

83' : 17555-3146
PRO 189

85' : 17584-3039
RST2010



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

18020-3150 RST 2021 (HD 164336)

 
 
18h 02m 01.88s -31° 50' 02.3" P.A. 218.00 sep 0.9 mag 10.61,10.67 Sp A0
 
 
Coord 2000 18020-3150 Discov num RST2021 Comp Coord arcsec 2000 18 02 01.88 -31 50 02.3
Date first 1934 Date last 1991 Obs 3
Pa first 220 Pa last 218.2 P.A. Now (θ) 218.2°
Sep first 0.8 Sep last 0.899 Sep. Now (ρ) 0.899"
Mag pri 10.61 Mag sec 10.67 delta mag (ΔM) 0.06 Spectral class A0 (white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164336 Constellation Sagittarius Tycho2 7391-01150-1 Gaia DR2 4043829086352335616
HD 164336
 
 
WDS 18020-3150 RST 2021 (HD 164336) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18020-3150 RST2021 1991 3 218 0.9 10.61 10.67 A0 180201.88-315002.3

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

 
 
WDS 18020-3150 RST 2021 (HD 164336) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18020-3150 RST 2021 (HD 164336) : MEASURES
 
 
No records found.

 
 
WDS 18020-3150 (HD 164336) : VIRTUAL EYEPIECE
 
 

18020-3150 RST2021A mag 10.61 Sp A0 18020-3150 RST2021B sep 0.8 P.A. 213.80 mag 10.67 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18020-3150 (HD 164336) : ALADIN DSS IMAGE @ 18h 02m 01.88s -31° 50' 02.3"
 
 
 
 
WDS 18020-3150 RST 2021 (HD 164336) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18020-3150 RST2021 distance=0' 18044-3211 PRO 196 distance=37' 18033-3112 RSS 469 distance=42' 18047-3214 JSP 767 distance=43' 18038-3227 RST2022 distance=44' 18054-3146 B 1349AB distance=44' 18054-3146 B 1349AC distance=44' 18004-3232 TDT 628 distance=47' 18025-3101 TDT 648 distance=50' 17581-3147 TDT 601 distance=51' 17579-3143 RST2009 distance=54' 18062-3206 RST2029 distance=56' 17591-3107 TDT 611 distance=58' 17586-3231 TDT 607 distance=60' 17596-3056 TDS 895 distance=63' 17568-3135 PRO 194 distance=68' 18067-3223 RST2030 distance=68' 17566-3136 PRO 193 distance=71' 17573-3233 PRO 195 distance=73' 18007-3302 JSP 761 distance=74' 17562-3131 PRO 192 distance=78' 18048-3039 KPP2157 distance=79' 17573-3242 JSP 754 distance=80' 17557-3209 PRO 190 distance=83' 18082-3127 BRT3060 distance=83' 17563-3228 JSP 748 distance=83' 17555-3146 PRO 189 distance=83' 17584-3039 RST2010 distance=85' 17559-3117 PRO 191 distance=86' 17570-3248 KPP4071BC distance=86' 18059-3040 RSS 471 distance=87' 18021-3020 KPP2760 distance=90' 18053-3310 BRT3327 distance=90' 18085-3113 PRO 197 distance=90' 17548-3145 PRO 187 distance=93' 17592-3316 BRT1748 distance=93' 17548-3207 RST2002 distance=94' 18006-3018 NSN 134 distance=94' 18080-3055 SKF1058 distance=94' 17547-3159 PRO 186 distance=94' 17567-3255 BRT1743 distance=95' 18089-3115 B 2855 distance=95' 18007-3013 RST2017 distance=99' 17553-3241 PRO 188 distance=100' 18097-3133 JSP 768 distance=100' 18013-3010 JSP 764 distance=101' 17541-3152 PRO 185 distance=102' 18002-3011 TDT 625 distance=102' 17587-3018 DAW 74 distance=102' 17591-3015 PZ 6AB distance=103' 17591-3015 PZ 6AC distance=103' 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 18020-3150 RST2021 218 0.9
Show 18044-3211 PRO 196 222 4.5 37
Show 18033-3112 RSS 469 291 10.5 42
Show 18047-3214 JSP 767 316 0.5 43
Show 18038-3227 RST2022 33 0.3 44
Show 18054-3146 B 1349 AB 138 1.2 44
Show 18054-3146 B 1349 AC 294 5.8 44
Show 18004-3232 TDT 628 102 0.8 47
Show 18025-3101 TDT 648 258 0.5 50
Show 17581-3147 TDT 601 96 0.5 51
Show 17579-3143 RST2009 341 0.8 54
Show 18062-3206 RST2029 110 0.4 56
Show 17591-3107 TDT 611 95 0.9 58
Show 17586-3231 TDT 607 269 0.5 60
Show 17596-3056 TDS 895 260 1.5 63
Show 17568-3135 PRO 194 34 3.7 68
Show 18067-3223 RST2030 161 7.1 68
Show 17566-3136 PRO 193 268 3.1 71
Show 17573-3233 PRO 195 137 2.1 73
Show 18007-3302 JSP 761 357 1.9 74
Show 17562-3131 PRO 192 34 8.5 78
Show 18048-3039 KPP2157 168 17.6 79
Show 17573-3242 JSP 754 357 0.5 80
Show 17557-3209 PRO 190 63 8.5 83
Show 18082-3127 BRT3060 55 4.0 83
Show 17563-3228 JSP 748 164 13.7 83
Show 17555-3146 PRO 189 221 4.0 83
Show 17584-3039 RST2010 277 1.4 85
Show 17559-3117 PRO 191 178 11.7 86
Show 17570-3248 KPP4071 BC 122 2.4 86
Show 18059-3040 RSS 471 138 8.1 87
Show 18021-3020 KPP2760 238 22.9 90
Show 18053-3310 BRT3327 47 2.8 90
Show 18085-3113 PRO 197 283 7.9 90
Show 17548-3145 PRO 187 177 9.5 93
Show 17592-3316 BRT1748 239 4.2 93
Show 17548-3207 RST2002 231 1.1 94
Show 18006-3018 NSN 134 335 47.3 94
Show 18080-3055 SKF1058 216 3.3 94
Show 17547-3159 PRO 186 232 4.9 94
Show 17567-3255 BRT1743 109 1.9 95
Show 18089-3115 B 2855 243 6.7 95
Show 18007-3013 RST2017 133 0.3 99
Show 17553-3241 PRO 188 82 8.2 100
Show 18097-3133 JSP 768 270 2.6 100
Show 18013-3010 JSP 764 327 4.6 101
Show 17541-3152 PRO 185 165 10.1 102
Show 18002-3011 TDT 625 81 0.5 102
Show 17587-3018 DAW 74 104 1.3 102
Show 17591-3015 PZ 6 AB 104 5.9 103
Show 17591-3015 PZ 6 AC 240 26.1 103

 
 
WDS 18020-3150 : COMPONENTS
 
 
  A
B pa=213.8°
sep=0.85"
 
 
18020-3150 A
 
 
Componente originario normalizzato AB Name HD 164336 Coord arcsec 2000 180201.88-315002.3 Mag 10.61
Spectral class A0 (white) PmRA -9.00 PmDE 0.0 Tycho2 7391-01150-1
HD 164336 DM CD-3114973
Tycho2
Tycho2 7391-01150-1 Pflag P RAmdeg 270.50783396 DEmdeg -31.83396430
PmRA -8.8 PmDE -0.4 E RAmdeg 24 E DEmdeg 37
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.65 EpDEm 1988.48
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 10.682 E BTmag 0.043 VTmag 10.609
E VTmag 0.059 Prox 9 TYC T HIP
CCDM RAdeg 270.50794528 DEdeg -31.83386778 EpRA 1990 1.96
EpDE 1990 2.02 E RAdeg 24.1 E DEdeg 37.9 Posflg D
Corr -0.1
 
 
18020-3150 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180201.84-315003.0 Mag 10.67 PmRA -9.00
PmDE 0.0 Tycho2 7391-01150-2 Calc delta mag 0.06 Calc coord yes
Tycho2
Tycho2 7391-01150-2 Pflag P RAmdeg 270.50783396 DEmdeg -31.83396430
PmRA -8.8 PmDE -0.4 E RAmdeg 24 E DEmdeg 37
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.65 EpDEm 1988.48
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 10.709 E BTmag 0.044 VTmag 10.674
E VTmag 0.065 Prox 9 TYC T HIP
CCDM RAdeg 270.50776389 DEdeg -31.83406417 EpRA 1990 1.95
EpDE 1990 2.01 E RAdeg 25.4 E DEdeg 39.7 Posflg D
Corr -0.1