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Doubles in session


Current system
20500-3049
RST 2161


Nearby doubles
12' : 20503-3058
LDS5911

21' : 20511-3103
RST2163

25' : 20519-3047
UC 4313

29' : 20507-3116
B 997

32' : 20517-3109
LDS5913

41' : 20516-3123
KPP2645

43' : 20485-3126
B 996

52' : 20479-3132
B 995

63' : 20452-3057
FAL 70AB

63' : 20454-3029
HJ 5218

66' : 20517-2947
RST2164

69' : 20516-2943
DAM 668

70' : 20452-3120
LDS 720AB

71' : 20452-3122
WOR 40

72' : 20448-3112
TDT2516

76' : 20521-2938
FIN 5

79' : 20552-3008
HDS2980

81' : 20530-2937
B 506

91' : 20441-3000
SKF1248

94' : 20434-3005
LDS5909

98' : 20440-3147
JSP 816

98' : 20431-3010
UC 4267

99' : 20562-3146
B 1001

100' : 20424-3031
H N 101AB

102' : 20554-3202
TDT2631

108' : 20584-3043
JSP 821



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20500-3049 RST 2161

 
 
20h 50m 00.02s -30° 48' 24.4" P.A. 271.00 sep 2.6 mag 10.60,12.10
 
 
Coord 2000 20500-3049 Discov num RST2161 Comp Coord arcsec 2000 20 50 00.02 -30 48 24.4
Date first 1934 Date last 2016 Obs 4
Pa first 273 Pa last 271.2 P.A. Now (θ) 271.2°
Sep first 2.4 Sep last 2.563 Sep. Now (ρ) 2.563"
Mag pri 10.60 Mag sec 12.10 delta mag (ΔM) 1.5 Spectral class
Pri motion ra +016 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7457-00961-1 Gaia DR2 6794145135604472832
 
 
WDS 20500-3049 RST 2161 : 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
20500-3049 RST2161 1944 2 271 2.4 10.60 12.10 205000.02-304824.4
20500-3049 RST2161 2015 3 271 2.6 10.60 12.10 205000.02-304824.4
20500-3049 RST2161 2016 4 271 2.6 10.60 12.10 205000.02-304824.4

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

 
 
WDS 20500-3049 RST 2161 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20500-3049 RST 2161 : MEASURES
 
 
No records found.

 
 
WDS 20500-3049 : VIRTUAL EYEPIECE
 
 

20500-3049 RST2161A mag 10.6 20500-3049 RST2161B sep 2.2 P.A. 271.40 mag 12.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20500-3049 : ALADIN DSS IMAGE @ 20h 50m 00.02s -30° 48' 24.4"
 
 
 
 
WDS 20500-3049 RST 2161 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20500-3049 RST2161 distance=0' 20503-3058 LDS5911 distance=12' 20511-3103 RST2163 distance=21' 20519-3047 UC 4313 distance=25' 20507-3116 B 997 distance=29' 20517-3109 LDS5913 distance=32' 20516-3123 KPP2645 distance=41' 20485-3126 B 996 distance=43' 20479-3132 B 995 distance=52' 20452-3057 FAL 70AB distance=63' 20452-3057 TOK 340AC distance=63' 20454-3029 HJ 5218 distance=63' 20517-2947 RST2164 distance=66' 20516-2943 DAM 668 distance=69' 20452-3120 LDS 720AB distance=70' 20452-3057 JSP 817CD distance=71' 20452-3122 WOR 40 distance=71' 20448-3112 TDT2516 distance=72' 20521-2938 FIN 5 distance=76' 20552-3008 HDS2980 distance=79' 20530-2937 B 506 distance=81' 20516-2927 TOK 863Aa,Ab distance=85' 20441-3000 SKF1248 distance=91' 20434-3005 LDS5909 distance=94' 20440-3147 JSP 816 distance=98' 20431-3010 UC 4267 distance=98' 20562-3146 B 1001 distance=99' 20424-3031 H N 101AB distance=100' 20554-3202 TDT2631 distance=102' 20584-3043 JSP 821 distance=108' 20561-3201 JSP 818 distance=108' 20451-3221 LDS5910 distance=113' 20451-3221 KPP3118Aa,Ab distance=113' 20447-2917 UC 4277 distance=116' 20412-3015 RST2152 distance=119' 20563-3216 JSP 819 distance=120' 20433-2925 SKF2089 distance=121' 20529-3245 B 1000 distance=123' 20594-3031 HDS2992 distance=123' 20467-3245 RST2160 distance=124' 20543-3243 TDT2622Aa,Ab distance=128' 20543-3243 UC 4321AB distance=128' 20510-3256 RST2162 distance=129' 20478-3255 WIS 343 distance=130' 20593-3139 KPP2180 distance=130' 20461-2843 RST2158 distance=135' 20517-3303 UC 4311 distance=137' 20498-2829 LDS 725 distance=141' 20464-2834 RST2159 distance=143' 20452-3120 LDS 720BC distance=143' 20458-2834 RST2157 distance=145' 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 20500-3049 RST2161 271 2.6
Show 20503-3058 LDS5911 78 118.0 12
Show 20511-3103 RST2163 231 2.1 21
Show 20519-3047 UC 4313 233 12.5 25
Show 20507-3116 B 997 273 0.2 29
Show 20517-3109 LDS5913 85 97.0 32
Show 20516-3123 KPP2645 163 24.7 41
Show 20485-3126 B 996 321 1.6 43
Show 20479-3132 B 995 288 0.5 52
Show 20452-3057 FAL 70 AB 76 17.5 63
Show 20452-3057 TOK 340 AC 235 539.4 63
Show 20454-3029 HJ 5218 190 9.8 63
Show 20517-2947 RST2164 318 1.0 66
Show 20516-2943 DAM 668 309 11.2 69
Show 20452-3120 LDS 720 AB 213 999.9 70
Show 20452-3057 JSP 817 CD 75 2.2 71
Show 20452-3122 WOR 40 168 4.8 71
Show 20448-3112 TDT2516 60 0.6 72
Show 20521-2938 FIN 5 71 2.0 76
Show 20552-3008 HDS2980 334 0.1 79
Show 20530-2937 B 506 317 3.2 81
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 85
Show 20441-3000 SKF1248 55 6.4 91
Show 20434-3005 LDS5909 146 10.6 94
Show 20440-3147 JSP 816 132 3.3 98
Show 20431-3010 UC 4267 59 8.2 98
Show 20562-3146 B 1001 212 0.3 99
Show 20424-3031 H N 101 AB 334 25.9 100
Show 20554-3202 TDT2631 243 0.7 102
Show 20584-3043 JSP 821 121 2.0 108
Show 20561-3201 JSP 818 357 2.2 108
Show 20451-3221 LDS5910 355 283.9 113
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 113
Show 20447-2917 UC 4277 18 16.5 116
Show 20412-3015 RST2152 335 0.9 119
Show 20563-3216 JSP 819 348 0.8 120
Show 20433-2925 SKF2089 284 17.7 121
Show 20529-3245 B 1000 312 3.6 123
Show 20594-3031 HDS2992 242 0.1 123
Show 20467-3245 RST2160 138 0.5 124
Show 20543-3243 TDT2622 Aa,Ab 232 0.5 128
Show 20543-3243 UC 4321 AB 38 24.4 128
Show 20510-3256 RST2162 76 0.8 129
Show 20478-3255 WIS 343 9 525.5 130
Show 20593-3139 KPP2180 130 17.9 130
Show 20461-2843 RST2158 278 1.4 135
Show 20517-3303 UC 4311 335 26.1 137
Show 20498-2829 LDS 725 271 21.8 141
Show 20464-2834 RST2159 316 3.6 143
Show 20452-3120 LDS 720 BC 128 1.8 143
Show 20458-2834 RST2157 170 0.7 145

 
 
WDS 20500-3049 : COMPONENTS
 
 
  A
B pa=271.4°
sep=2.20"
 
 
20500-3049 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205000.02-304824.4 Mag 10.6 PmRA 16.00
PmDE -4.0 Tycho2 7457-00961-1
Tycho2
Tycho2 7457-00961-1 Pflag RAmdeg 312.50012417 DEmdeg -30.80679316
PmRA 16.1 PmDE -4.3 E RAmdeg 34 E DEmdeg 34
E pmRA 2.3 E pmDE 2.0 EpRAm 1987.20 EpDEm 1981.02
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.4 Q pmRA 0.4
Q pmDE 1.4 BTmag 11.313 E BTmag 0.070 VTmag 10.595
E VTmag 0.054 Prox 999 TYC T HIP
CCDM RAdeg 312.50008222 DEdeg -30.80678750 EpRA 1990 1.69
EpDE 1990 1.48 E RAdeg 35.8 E DEdeg 42.2 Posflg
Corr -0.2
 
 
20500-3049 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204959.85-304824.3 Mag 12.1 Calc delta mag 1.5
Calc coord yes