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Current system
20431-2838
RST 2154


Nearby doubles
10' : 20430-2846
SEE 425

19' : 20427-2855
RST2153

36' : 20458-2834
RST2157

40' : 20461-2843
RST2158

43' : 20401-2852
SEE 423AB

44' : 20464-2834
RST2159

45' : 20447-2917
UC 4277

49' : 20433-2925
SKF2089

54' : 20393-2820
RST2149

76' : 20400-2940
RST2151

78' : 20375-2817
BRT3093

81' : 20487-2804
FIN 8

82' : 20479-2745
STN 53

84' : 20441-3000
SKF1248

89' : 20498-2829
LDS 725

90' : 20434-3005
LDS5909

91' : 20365-2813
RST2147

94' : 20431-3010
UC 4267

94' : 20396-2717
RST2150

102' : 20412-3015
RST2152

105' : 20396-2704
HJ 5210

107' : 20507-2759
HDS2971

109' : 20456-2653
B 2891

111' : 20373-2717
HJ 2982

114' : 20465-2652
HJ 5220

115' : 20424-3031
H N 101AB



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

20431-2838 RST 2154

 
 
20h 43m 07.87s -28° 37' 09.5" P.A. 279.00 sep 0.8 mag 12.10,12.70
 
 
Coord 2000 20431-2838 Discov num RST2154 Comp Coord arcsec 2000 20 43 07.87 -28 37 09.5
Date first 1931 Date last 1940 Obs 3
Pa first 280 Pa last 278.8 P.A. Now (θ) 278.8°
Sep first 0.8 Sep last 0.82 Sep. Now (ρ) 0.82"
Mag pri 12.10 Mag sec 12.70 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +009 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 6933-00292-1 Gaia DR2 6798746591767042560
 
 
WDS 20431-2838 RST 2154 : 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
20431-2838 RST2154 1940 3 279 0.8 12.10 12.70 204307.87-283709.5

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

 
 
WDS 20431-2838 RST 2154 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20431-2838 RST 2154 : MEASURES
 
 
No records found.

 
 
WDS 20431-2838 : VIRTUAL EYEPIECE
 
 

20431-2838 RST2154A mag 12.1 20431-2838 RST2154B sep 0.7 P.A. 280.00 mag 12.7 virtual eyepiece
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Radius:
Components only
 
 
WDS 20431-2838 : ALADIN DSS IMAGE @ 20h 43m 07.87s -28° 37' 09.5"
 
 
 
 
WDS 20431-2838 RST 2154 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20431-2838 RST2154 distance=1' 20430-2846 SEE 425 distance=10' 20427-2855 RST2153 distance=19' 20458-2834 RST2157 distance=36' 20461-2843 RST2158 distance=40' 20401-2852 SEE 423AB distance=43' 20401-2852 SEE 423BC distance=43' 20464-2834 RST2159 distance=44' 20447-2917 UC 4277 distance=45' 20433-2925 SKF2089 distance=49' 20393-2820 RST2149 distance=54' 20400-2940 RST2151 distance=76' 20375-2817 BRT3093 distance=78' 20487-2804 FIN 8 distance=81' 20479-2745 STN 53 distance=82' 20441-3000 SKF1248 distance=84' 20498-2829 LDS 725 distance=89' 20434-3005 LDS5909 distance=90' 20365-2813 RST2147 distance=91' 20431-3010 UC 4267 distance=94' 20396-2717 RST2150 distance=94' 20412-3015 RST2152 distance=102' 20396-2704 HJ 5210 distance=105' 20507-2759 HDS2971 distance=107' 20456-2653 B 2891 distance=109' 20373-2717 HJ 2982 distance=111' 20465-2652 HJ 5220 distance=114' 20424-3031 H N 101AB distance=115' 20454-3029 HJ 5218 distance=116' 20501-2722 HJ 5226 distance=119' 20516-2927 TOK 863Aa,Ab distance=123' 20406-2639 CHR 186 distance=124' 20516-2943 DAM 668 distance=129' 20517-2947 RST2164 distance=132' 20424-2626 UC 4263 distance=132' 20521-2938 FIN 5 distance=133' 20408-2626 UC 4255 distance=135' 20533-2821 COO 290 distance=136' 20325-2843 SKF2087AB distance=140' 20325-2843 DAM1043AC distance=140' 20530-2937 B 506 distance=142' 20452-3057 FAL 70AB distance=143' 20452-3057 TOK 340AC distance=143' 20473-2625 BU 153 distance=144' 20406-2615 UC 4254 distance=147' 20452-3057 JSP 817CD distance=147' 20339-2710 CBL 178 distance=151' 20319-2806 TDT2341 distance=152' 20365-2632 STN 52 distance=153' 20448-3112 TDT2516 distance=157' 20500-3049 RST2161 distance=159' 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 20431-2838 RST2154 279 0.8 1
Show 20430-2846 SEE 425 226 7.9 10
Show 20427-2855 RST2153 42 0.2 19
Show 20458-2834 RST2157 170 0.7 36
Show 20461-2843 RST2158 278 1.4 40
Show 20401-2852 SEE 423 AB 39 1.2 43
Show 20401-2852 SEE 423 BC 281 0.2 43
Show 20464-2834 RST2159 316 3.6 44
Show 20447-2917 UC 4277 18 16.5 45
Show 20433-2925 SKF2089 284 17.7 49
Show 20393-2820 RST2149 155 1.0 54
Show 20400-2940 RST2151 57 0.2 76
Show 20375-2817 BRT3093 85 3.8 78
Show 20487-2804 FIN 8 189 2.5 81
Show 20479-2745 STN 53 175 18.1 82
Show 20441-3000 SKF1248 55 6.4 84
Show 20498-2829 LDS 725 271 21.8 89
Show 20434-3005 LDS5909 146 10.6 90
Show 20365-2813 RST2147 315 1.2 91
Show 20431-3010 UC 4267 59 8.2 94
Show 20396-2717 RST2150 5 1.7 94
Show 20412-3015 RST2152 335 0.9 102
Show 20396-2704 HJ 5210 263 10.7 105
Show 20507-2759 HDS2971 49 0.2 107
Show 20456-2653 B 2891 253 5.0 109
Show 20373-2717 HJ 2982 137 15.8 111
Show 20465-2652 HJ 5220 354 18.1 114
Show 20424-3031 H N 101 AB 334 25.9 115
Show 20454-3029 HJ 5218 190 9.8 116
Show 20501-2722 HJ 5226 67 18.7 119
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 123
Show 20406-2639 CHR 186 149 0.0 124
Show 20516-2943 DAM 668 309 11.2 129
Show 20517-2947 RST2164 318 1.0 132
Show 20424-2626 UC 4263 207 22.1 132
Show 20521-2938 FIN 5 71 2.0 133
Show 20408-2626 UC 4255 339 13.7 135
Show 20533-2821 COO 290 248 7.3 136
Show 20325-2843 SKF2087 AB 9 61.0 140
Show 20325-2843 DAM1043 AC 197 11.5 140
Show 20530-2937 B 506 317 3.2 142
Show 20452-3057 FAL 70 AB 76 17.5 143
Show 20452-3057 TOK 340 AC 235 539.4 143
Show 20473-2625 BU 153 251 1.9 144
Show 20406-2615 UC 4254 225 11.1 147
Show 20452-3057 JSP 817 CD 75 2.2 147
Show 20339-2710 CBL 178 40 52.0 151
Show 20319-2806 TDT2341 318 0.5 152
Show 20365-2632 STN 52 251 1.7 153
Show 20448-3112 TDT2516 60 0.6 157
Show 20500-3049 RST2161 271 2.6 159

 
 
WDS 20431-2838 : COMPONENTS
 
 
  A
B pa=280.0°
sep=0.72"
 
 
20431-2838 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204307.87-283709.5 Mag 12.1 PmRA 9.00
PmDE -18.0 Tycho2 6933-00292-1
Tycho2
Tycho2 6933-00292-1 Pflag RAmdeg 310.78283298 DEmdeg -28.61931017
PmRA 9.3 PmDE -18.0 E RAmdeg 72 E DEmdeg 91
E pmRA 3.1 E pmDE 3.0 EpRAm 1984.20 EpDEm 1976.99
Num 3 Q RAmdeg 1.8 Q DEmdeg 1.6 Q pmRA 1.8
Q pmDE 1.6 BTmag 12.286 E BTmag 0.201 VTmag 11.576
E VTmag 0.142 Prox 999 TYC HIP
CCDM RAdeg 310.78280833 DEdeg -28.61926806 EpRA 1990 1.78
EpDE 1990 1.55 E RAdeg 76.4 E DEdeg 101.1 Posflg
Corr -0.2
 
 
20431-2838 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204307.82-283709.4 Mag 12.7 Calc delta mag 0.6
Calc coord yes