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Current system
20375-2817
BRT 3093


Nearby doubles
13' : 20365-2813
RST2147

25' : 20393-2820
RST2149

51' : 20401-2852
SEE 423AB

60' : 20373-2717
HJ 2982

67' : 20396-2717
RST2150

71' : 20325-2843
SKF2087AB

75' : 20319-2806
TDT2341

78' : 20431-2838
RST2154

79' : 20396-2704
HJ 5210

79' : 20427-2855
RST2153

80' : 20430-2846
SEE 425

82' : 20339-2710
CBL 178

91' : 20400-2940
RST2151

100' : 20310-2907
CHR 185

103' : 20433-2925
SKF2089

105' : 20365-2632
STN 52

107' : 20406-2639
CHR 186

107' : 20313-2707
SKF2086

108' : 20334-2643
B 491

111' : 20319-2655
RST2143

112' : 20458-2834
RST2157

113' : 20447-2917
UC 4277

115' : 20310-2700
DAM1042

117' : 20461-2843
RST2158

118' : 20331-2633
LDS5907

119' : 20297-2719
COO 240



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

20375-2817 BRT 3093

 
 
20h 37m 27.73s -28° 16' 36.5" P.A. 85.00 sep 3.8 mag 10.04,
 
 
Coord 2000 20375-2817 Discov num BRT3093 Comp Coord arcsec 2000 20 37 27.73 -28 16 36.5
Date first 1913 Date last 1913 Obs 1
Pa first 85 Pa last 84.9 P.A. Now (θ) 84.9°
Sep first 3.8 Sep last 3.846 Sep. Now (ρ) 3.846"
Mag pri 10.04 Mag sec delta mag (ΔM) Spectral class
Pri motion ra +010 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 6920-00208-1 Gaia DR2 6798632311274601344
 
 
WDS 20375-2817 BRT 3093 : NOTES
 
 
discov_num notes refcode
BRT3093 A likely plate flaw. Grv2021b
 
 
REFERENCES
 
 
refcode metd author reference
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
 
 
DISCOVERER
 
 
idgroup discov author
1 BRT Barton, S.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20375-2817 BRT3093 1913 1 85 3.8 10.04   203727.73-281636.5

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

 
 
WDS 20375-2817 BRT 3093 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20375-2817 BRT 3093 : MEASURES
 
 
No records found.

 
 
WDS 20375-2817 : VIRTUAL EYEPIECE
 
 

20375-2817 BRT3093A mag 10.04 20375-2817 BRT3093B sep 3.4 P.A. 84.20 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 20375-2817 : ALADIN DSS IMAGE @ 20h 37m 27.73s -28° 16' 36.5"
 
 
 
 
WDS 20375-2817 BRT 3093 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20375-2817 BRT3093 distance=0' 20365-2813 RST2147 distance=13' 20393-2820 RST2149 distance=25' 20401-2852 SEE 423AB distance=51' 20401-2852 SEE 423BC distance=51' 20373-2717 HJ 2982 distance=60' 20396-2717 RST2150 distance=67' 20325-2843 SKF2087AB distance=71' 20325-2843 DAM1043AC distance=71' 20319-2806 TDT2341 distance=75' 20431-2838 RST2154 distance=78' 20396-2704 HJ 5210 distance=79' 20427-2855 RST2153 distance=79' 20430-2846 SEE 425 distance=80' 20339-2710 CBL 178 distance=82' 20400-2940 RST2151 distance=91' 20310-2907 CHR 185 distance=100' 20433-2925 SKF2089 distance=103' 20365-2632 STN 52 distance=105' 20406-2639 CHR 186 distance=107' 20313-2707 SKF2086 distance=107' 20334-2643 B 491 distance=108' 20319-2655 RST2143 distance=111' 20458-2834 RST2157 distance=112' 20447-2917 UC 4277 distance=113' 20310-2700 DAM1042 distance=115' 20461-2843 RST2158 distance=117' 20331-2633 LDS5907 distance=118' 20297-2719 COO 240 distance=119' 20408-2626 UC 4255 distance=119' 20464-2834 RST2159 distance=120' 20412-3015 RST2152 distance=129' 20406-2615 UC 4254 distance=129' 20424-2626 UC 4263 distance=130' 20338-2616 RST2144 distance=131' 20434-3005 LDS5909 distance=136' 20441-3000 SKF1248 distance=136' 20431-3010 UC 4267 distance=136' 20456-2653 B 2891 distance=137' 20479-2745 STN 53 distance=142' 20289-2647 B 487 distance=146' 20465-2652 HJ 5220 distance=147' 20295-3001 HJ 5202 distance=148' 20487-2804 FIN 8 distance=149' 20424-3031 H N 101AB distance=149' 20288-2638 RST2141 distance=153' 20386-2540 B 498 distance=158' 20254-2840 CHR 97 distance=161' 20498-2829 LDS 725 distance=164' 20295-3024 B 2886 distance=165' 20337-2541 H N 7AB distance=165' 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 20375-2817 BRT3093 85 3.8
Show 20365-2813 RST2147 315 1.2 13
Show 20393-2820 RST2149 155 1.0 25
Show 20401-2852 SEE 423 AB 39 1.2 51
Show 20401-2852 SEE 423 BC 281 0.2 51
Show 20373-2717 HJ 2982 137 15.8 60
Show 20396-2717 RST2150 5 1.7 67
Show 20325-2843 SKF2087 AB 9 61.0 71
Show 20325-2843 DAM1043 AC 197 11.5 71
Show 20319-2806 TDT2341 318 0.5 75
Show 20431-2838 RST2154 279 0.8 78
Show 20396-2704 HJ 5210 263 10.7 79
Show 20427-2855 RST2153 42 0.2 79
Show 20430-2846 SEE 425 226 7.9 80
Show 20339-2710 CBL 178 40 52.0 82
Show 20400-2940 RST2151 57 0.2 91
Show 20310-2907 CHR 185 266 0.0 100
Show 20433-2925 SKF2089 284 17.7 103
Show 20365-2632 STN 52 251 1.7 105
Show 20406-2639 CHR 186 149 0.0 107
Show 20313-2707 SKF2086 306 7.1 107
Show 20334-2643 B 491 104 2.6 108
Show 20319-2655 RST2143 259 0.3 111
Show 20458-2834 RST2157 170 0.7 112
Show 20447-2917 UC 4277 18 16.5 113
Show 20310-2700 DAM1042 179 10.8 115
Show 20461-2843 RST2158 278 1.4 117
Show 20331-2633 LDS5907 211 206.4 118
Show 20297-2719 COO 240 21 7.1 119
Show 20408-2626 UC 4255 339 13.7 119
Show 20464-2834 RST2159 316 3.6 120
Show 20412-3015 RST2152 335 0.9 129
Show 20406-2615 UC 4254 225 11.1 129
Show 20424-2626 UC 4263 207 22.1 130
Show 20338-2616 RST2144 115 0.4 131
Show 20434-3005 LDS5909 146 10.6 136
Show 20441-3000 SKF1248 55 6.4 136
Show 20431-3010 UC 4267 59 8.2 136
Show 20456-2653 B 2891 253 5.0 137
Show 20479-2745 STN 53 175 18.1 142
Show 20289-2647 B 487 5 1.4 146
Show 20465-2652 HJ 5220 354 18.1 147
Show 20295-3001 HJ 5202 84 15.6 148
Show 20487-2804 FIN 8 189 2.5 149
Show 20424-3031 H N 101 AB 334 25.9 149
Show 20288-2638 RST2141 139 1.7 153
Show 20386-2540 B 498 17 0.4 158
Show 20254-2840 CHR 97 10 0.1 161
Show 20498-2829 LDS 725 271 21.8 164
Show 20295-3024 B 2886 199 7.2 165
Show 20337-2541 H N 7 AB 160 14.6 165

 
 
WDS 20375-2817 : COMPONENTS
 
 
  A
B pa=84.2°
sep=3.39"
 
 
20375-2817 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203727.73-281636.5 Mag 10.04 PmRA 10.00
PmDE -1.0 Tycho2 6920-00208-1
Tycho2
Tycho2 6920-00208-1 Pflag RAmdeg 309.36557174 DEmdeg -28.27682474
PmRA 9.9 PmDE -1.3 E RAmdeg 27 E DEmdeg 29
E pmRA 2.8 E pmDE 2.4 EpRAm 1990.51 EpDEm 1989.79
Num 3 Q RAmdeg 3.4 Q DEmdeg 0.6 Q pmRA 3.4
Q pmDE 0.6 BTmag 11.262 E BTmag 0.065 VTmag 10.041
E VTmag 0.034 Prox 999 TYC T HIP
CCDM RAdeg 309.36554583 DEdeg -28.27682167 EpRA 1990 1.70
EpDE 1990 1.59 E RAdeg 27.1 E DEdeg 28.7 Posflg
Corr -0.2
CCDM
Ccdm 20375-2817 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs 20.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag Sp PmNote *
PmRA -3 PmDE -52 Dm number -2816800 Cat1 CD
Name2 189495 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 20314S2837A
HIC
 
 
20375-2817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203727.99-281636.2 Calc delta mag 10.04 Calc coord yes
CCDM
Ccdm 20375-2817 RComp Comp B Note1
Note2 Discov num BRT3093 DRAs DDEs
R dRAs Year 1913 Theta 085 Rho 3.9
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20314S2837B
HIC