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Current system
20449-6904
BRT 2017


Nearby doubles
3' : 20452-6902
SKF 378

28' : 20489-6847
SHY 782

46' : 20468-6948
KPP1680

53' : 20368-6934
TDT2422

63' : 20363-6822
TDT2413

67' : 20356-6949
TDT2402

76' : 20472-6749
DON 991

77' : 20549-6810
UC 4322

77' : 20330-6822
HJ 5200AB

79' : 20303-6904
HJ 5194

84' : 20594-6936
UC 4352

91' : 20349-7017
TDT2395

95' : 20432-6730
LDS 718

97' : 20560-6748
TDT2639

102' : 20559-6742
TDT2637

110' : 20284-7004
HEI 276

114' : 20472-7056
TDS1100

114' : 20459-6710
TDT2524

119' : 20553-7049
UC 4328

120' : 20508-7059
HDS2973

125' : 20253-6800
TDT2258

128' : 20366-7104
DUN 231

129' : 20361-6705
CBL 179

136' : 20273-7044
TDT2287

139' : 20324-6704
TDT2345

139' : 20304-6711
TDT2329



Selections
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Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20449-6904 BRT 2017

 
 
20h 44m 53.65s -69° 03' 31.8" P.A. 6.00 sep 4.1 mag 12.00,12.00
 
 
Coord 2000 20449-6904 Discov num BRT2017 Comp Coord arcsec 2000 20 44 53.65 -69 03 31.8
Date first 1894 Date last 2016 Obs 7
Pa first 10 Pa last 5.7 P.A. Now (θ) 5.7°
Sep first 4.2 Sep last 4.149 Sep. Now (ρ) 4.149"
Mag pri 12.00 Mag sec 12.00 delta mag (ΔM) 0 Spectral class
Pri motion ra +005 Sec motion ra +018
Pri motion dec -106 Sec motion dec +034
Notes
rPM=1.325
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo Gaia DR2 6376416646459370496
 
 
WDS 20449-6904 BRT 2017 : 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
20449-6904 BRT2017 2000 2 6 4.2 12.00 12.00 D 204453.65-690331.8
20449-6904 BRT2017 2015 5 6 4.1 12.00 12.00 204453.65-690331.8
20449-6904 BRT2017 2016 7 6 4.1 12.00 12.00 204453.65-690331.8

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

 
 
WDS 20449-6904 BRT 2017 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20449-6904 BRT 2017 : MEASURES
 
 
No records found.

 
 
WDS 20449-6904 : VIRTUAL EYEPIECE
 
 

20449-6904 BRT2017A mag 12 20449-6904 BRT2017B sep 4.1 P.A. 2.00 mag 12 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 20449-6904 : ALADIN DSS IMAGE @ 20h 44m 53.65s -69° 03' 31.8"
 
 
 
 
WDS 20449-6904 BRT 2017 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20449-6904 BRT2017 distance=0' 20452-6902 SKF 378 distance=3' 20489-6847 SHY 782 distance=28' 20468-6948 KPP1680 distance=46' 20368-6934 TDT2422 distance=53' 20363-6822 TDT2413 distance=63' 20356-6949 TDT2402 distance=67' 20472-6749 DON 991 distance=76' 20549-6810 UC 4322 distance=77' 20330-6822 HJ 5200AB distance=77' 20303-6904 HJ 5194 distance=79' 20594-6936 UC 4352 distance=84' 20349-7017 TDT2395 distance=91' 20432-6730 LDS 718 distance=95' 20560-6748 TDT2639 distance=97' 20559-6742 TDT2637 distance=102' 20587-7025 HJ 5231A,BC distance=109' 20587-7025 I 668BC distance=109' 20284-7004 HEI 276 distance=110' 20472-7056 TDS1100 distance=114' 20459-6710 TDT2524 distance=114' 20553-7049 UC 4328 distance=119' 20508-7059 HDS2973 distance=120' 20253-6800 TDT2258 distance=125' 20366-7104 DUN 231 distance=128' 20361-6705 CBL 179 distance=129' 20273-7044 TDT2287 distance=136' 20324-6704 TDT2345 distance=139' 20304-6711 TDT2329 distance=139' 21032-6723 DON 997 distance=143' 20573-6655 TDT2657 distance=146' 20330-7119 I 1047CD distance=147' 20274-7101 LDS 710 distance=148' 20411-6638 NZO 102 distance=148' 20330-7119 I 1047AB distance=149' 20330-7119 HJ 5544AC distance=149' 20446-6630 TOK 918Aa,Ab distance=154' 20309-6648 MLO 89 distance=157' 20299-7131 TDT2324 distance=166' 21026-6651 TDT2709 distance=166' 20370-6623 TDT2424 distance=167' 21015-7128 UC 4362 distance=168' 20429-7151 TDT2494 distance=168' 20299-7138 FIN 279 distance=172' 20452-7159 HEI 281 distance=176' 20598-6621 TDT2683 distance=183' 20557-6609 HDS2981AB distance=186' 20557-6609 HDS2981AC distance=186' 20404-6551 KPP4210 distance=195' 20434-7218 TDT2498 distance=195' 20492-6550 TDT2562 distance=196' 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 20449-6904 BRT2017 6 4.1
Show 20452-6902 SKF 378 245 42.0 3
Show 20489-6847 SHY 782 107 999.9 28
Show 20468-6948 KPP1680 64 12.9 46
Show 20368-6934 TDT2422 308 0.9 53
Show 20363-6822 TDT2413 169 0.8 63
Show 20356-6949 TDT2402 166 0.6 67
Show 20472-6749 DON 991 76 2.3 76
Show 20549-6810 UC 4322 10 16.8 77
Show 20330-6822 HJ 5200 AB 135 12.1 77
Show 20303-6904 HJ 5194 255 3.6 79
Show 20594-6936 UC 4352 355 33.2 84
Show 20349-7017 TDT2395 295 2.8 91
Show 20432-6730 LDS 718 309 29.1 95
Show 20560-6748 TDT2639 325 0.9 97
Show 20559-6742 TDT2637 246 0.5 102
Show 20587-7025 HJ 5231 A,BC 112 6.7 109
Show 20587-7025 I 668 BC 333 1.0 109
Show 20284-7004 HEI 276 153 1.3 110
Show 20472-7056 TDS1100 233 0.9 114
Show 20459-6710 TDT2524 164 0.4 114
Show 20553-7049 UC 4328 210 47.5 119
Show 20508-7059 HDS2973 70 0.7 120
Show 20253-6800 TDT2258 72 0.7 125
Show 20366-7104 DUN 231 285 48.8 128
Show 20361-6705 CBL 179 107 24.7 129
Show 20273-7044 TDT2287 42 1.5 136
Show 20324-6704 TDT2345 217 0.5 139
Show 20304-6711 TDT2329 167 0.5 139
Show 21032-6723 DON 997 61 2.5 143
Show 20573-6655 TDT2657 126 0.7 146
Show 20330-7119 I 1047 CD 55 22.8 147
Show 20274-7101 LDS 710 238 143.1 148
Show 20411-6638 NZO 102 141 10.1 148
Show 20330-7119 I 1047 AB 331 6.2 149
Show 20330-7119 HJ 5544 AC 62 118.7 149
Show 20446-6630 TOK 918 Aa,Ab 336 0.1 154
Show 20309-6648 MLO 89 137 5.2 157
Show 20299-7131 TDT2324 107 0.7 166
Show 21026-6651 TDT2709 213 0.7 166
Show 20370-6623 TDT2424 19 1.8 167
Show 21015-7128 UC 4362 243 29.9 168
Show 20429-7151 TDT2494 3 0.5 168
Show 20299-7138 FIN 279 77 0.9 172
Show 20452-7159 HEI 281 89 2.6 176
Show 20598-6621 TDT2683 186 2.4 183
Show 20557-6609 HDS2981 AB 243 0.1 186
Show 20557-6609 HDS2981 AC 172 1.3 186
Show 20404-6551 KPP4210 53 1.5 195
Show 20434-7218 TDT2498 13 0.8 195
Show 20492-6550 TDT2562 279 0.5 196

 
 
WDS 20449-6904 : COMPONENTS
 
 
  A
B pa=2.0°
sep=4.13"
 
 
20449-6904 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204453.65-690331.8 Mag 12 PmRA 5.00
PmDE -106.0
 
 
20449-6904 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204453.68-690327.7 Mag 12 PmRA 18.00
PmDE 34.0 Calc coord yes