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Current system
21307-3238
BRT 1821


Nearby doubles
35' : 21283-3254
KPP3117

46' : 21273-3222
HWE 90

47' : 21273-3218
B 1007

47' : 21341-3221
HJ 5279

53' : 21314-3146
SKF2099

54' : 21291-3148
LDS5924

60' : 21332-3147
HJ 3034

66' : 21256-3227
JSP 825

82' : 21368-3303
SKF2100

82' : 21322-3357
B 1009

84' : 21247-3202
JSP 824AB

90' : 21238-3219
LDS5922

95' : 21369-3330
SEE 450

101' : 21307-3057
RSS 561AB

102' : 21265-3111
TOK 372

113' : 21304-3045
UC 4480

117' : 21218-3311
SKF1650

119' : 21247-3106
HJ 5266

124' : 21212-3212
NSN 492

126' : 21349-3044
UC 4501

131' : 21304-3448
HJ 5274

132' : 21214-3140
UC 4455

138' : 21352-3033
HJ 5280

139' : 21254-3037
HJ 3025

139' : 21368-3043
VOU 35AB

141' : 21196-3226
I 1605



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21307-3238 BRT 1821

 
 
21h 30m 40.68s -32° 37' 46.5" P.A. 39.00 sep 8.0 mag 11.70,11.90
 
 
Coord 2000 21307-3238 Discov num BRT1821 Comp Coord arcsec 2000 21 30 40.68 -32 37 46.5
Date first 1911 Date last 2015 Obs 8
Pa first 23 Pa last 38.8 P.A. Now (θ) 38.8°
Sep first 4.6 Sep last 8.028 Sep. Now (ρ) 8.028"
Mag pri 11.70 Mag sec 11.90 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -018 Sec motion ra +022
Pri motion dec -021 Sec motion dec +013
Notes
rPM=1.898
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Piscis Austrinus Gaia DR2 6783235506354733056
 
 
WDS 21307-3238 BRT 1821 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21307-3238 BRT1821 1913 3 30 4.8 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 1999 5 38 7.6 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 2010 8 38 7.4 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 2015 8 39 8.0 11.70 11.90 213040.68-323746.5

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

 
 
WDS 21307-3238 BRT 1821 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21307-3238 BRT 1821 : MEASURES
 
 
No records found.

 
 
WDS 21307-3238 : VIRTUAL EYEPIECE
 
 

21307-3238 BRT1821A mag 11.7 21307-3238 BRT1821B sep 7.6 P.A. 34.10 mag 11.9 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 21307-3238 : ALADIN DSS IMAGE @ 21h 30m 40.68s -32° 37' 46.5"
 
 
 
 
WDS 21307-3238 BRT 1821 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21307-3238 BRT1821 distance=0' 21283-3254 KPP3117 distance=35' 21273-3222 HWE 90 distance=46' 21273-3218 B 1007 distance=47' 21341-3221 HJ 5279 distance=47' 21314-3146 SKF2099 distance=53' 21291-3148 LDS5924 distance=54' 21332-3147 HJ 3034 distance=60' 21256-3227 JSP 825 distance=66' 21368-3303 SKF2100 distance=82' 21322-3357 B 1009 distance=82' 21247-3202 JSP 824AB distance=84' 21238-3219 LDS5922 distance=90' 21369-3330 SEE 450 distance=95' 21307-3057 RSS 561AB distance=101' 21307-3057 TOK 636AC distance=101' 21265-3111 TOK 372 distance=102' 21304-3045 UC 4480 distance=113' 21218-3311 SKF1650 distance=117' 21247-3106 HJ 5266 distance=119' 21212-3212 NSN 492 distance=124' 21349-3044 UC 4501 distance=126' 21304-3448 HJ 5274 distance=131' 21214-3140 UC 4455 distance=132' 21352-3033 HJ 5280 distance=138' 21254-3037 HJ 3025 distance=139' 21368-3043 VOU 35AB distance=139' 21368-3043 TOK 386AC distance=139' 21196-3226 I 1605 distance=141' 21328-3017 JSP 826 distance=144' 21405-3127 DAW 155 distance=144' 21291-3011 RST2179 distance=148' 21191-3221 SKF2098 distance=148' 21342-3013 LDS5925 distance=151' 21363-3026 B 532 distance=151' 21347-3509 B 1393 distance=159' 21247-3458 B 528 distance=160' 21408-3102 HJ 3045 distance=161' 21209-3054 HJ 5263 distance=162' 21198-3406 KPP1676 distance=163' 21288-2955 RST2178 distance=165' 21223-3500 HJ 5264 distance=177' 21318-3534 B 1392 distance=177' 21393-3018 SEE 451 distance=179' 21318-3538 KPP2207 distance=181' 21449-3302 I 1051 distance=182' 21218-3014 UC 4457 distance=184' 21168-3352 RST3283 distance=190' 21452-3139 DAW 230AB distance=194' 21452-3139 HJ 5293AC distance=194' 21224-3529 BRT1819 distance=201' 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 21307-3238 BRT1821 39 8.0
Show 21283-3254 KPP3117 259 2.3 35
Show 21273-3222 HWE 90 280 1.3 46
Show 21273-3218 B 1007 343 0.1 47
Show 21341-3221 HJ 5279 290 11.5 47
Show 21314-3146 SKF2099 259 23.1 53
Show 21291-3148 LDS5924 300 108.4 54
Show 21332-3147 HJ 3034 259 36.0 60
Show 21256-3227 JSP 825 279 2.0 66
Show 21368-3303 SKF2100 53 162.1 82
Show 21322-3357 B 1009 59 6.7 82
Show 21247-3202 JSP 824 AB 198 1.7 84
Show 21238-3219 LDS5922 284 201.1 90
Show 21369-3330 SEE 450 252 11.2 95
Show 21307-3057 RSS 561 AB 98 5.3 101
Show 21307-3057 TOK 636 AC 125 930.0 101
Show 21265-3111 TOK 372 138 0.1 102
Show 21304-3045 UC 4480 124 22.3 113
Show 21218-3311 SKF1650 44 2.5 117
Show 21247-3106 HJ 5266 256 10.7 119
Show 21212-3212 NSN 492 320 9.3 124
Show 21349-3044 UC 4501 42 58.5 126
Show 21304-3448 HJ 5274 121 26.2 131
Show 21214-3140 UC 4455 283 11.4 132
Show 21352-3033 HJ 5280 305 9.5 138
Show 21254-3037 HJ 3025 282 32.4 139
Show 21368-3043 VOU 35 AB 307 0.1 139
Show 21368-3043 TOK 386 AC 6 0.5 139
Show 21196-3226 I 1605 298 1.7 141
Show 21328-3017 JSP 826 354 4.0 144
Show 21405-3127 DAW 155 45 2.1 144
Show 21291-3011 RST2179 344 2.2 148
Show 21191-3221 SKF2098 27 100.8 148
Show 21342-3013 LDS5925 272 94.6 151
Show 21363-3026 B 532 290 0.6 151
Show 21347-3509 B 1393 61 1.8 159
Show 21247-3458 B 528 168 7.0 160
Show 21408-3102 HJ 3045 253 34.6 161
Show 21209-3054 HJ 5263 93 27.9 162
Show 21198-3406 KPP1676 139 12.9 163
Show 21288-2955 RST2178 229 2.6 165
Show 21223-3500 HJ 5264 47 16.3 177
Show 21318-3534 B 1392 102 0.5 177
Show 21393-3018 SEE 451 256 12.2 179
Show 21318-3538 KPP2207 227 18.3 181
Show 21449-3302 I 1051 290 20.0 182
Show 21218-3014 UC 4457 240 34.7 184
Show 21168-3352 RST3283 102 0.2 190
Show 21452-3139 DAW 230 AB 106 13.1 194
Show 21452-3139 HJ 5293 AC 250 19.0 194
Show 21224-3529 BRT1819 78 3.3 201

 
 
WDS 21307-3238 : COMPONENTS
 
 
  A
B pa=34.1°
sep=7.56"
 
 
21307-3238 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213040.68-323746.5 Mag 11.7 PmRA -18.00
PmDE -21.0
 
 
21307-3238 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213041.02-323740.2 Mag 11.9 PmRA 22.00
PmDE 13.0 Calc delta mag 0.2 Calc coord yes