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Current system
20021+3204
BRT 274


Nearby doubles
9' : 20014+3206
COU1472

10' : 20020+3213
TDS1034

11' : 20022+3154
SEI 802

12' : 20028+3158
ES 359AB

19' : 20007+3211
TDT1911AB

21' : 20021+3144
SEI 799

22' : 20037+3209
COU1628

23' : 20035+3216
COU1627

25' : 20028+3142
ES 358

25' : 20019+3139
AG 245

25' : 20036+3220
A 380

29' : 20040+3152
BRT 276

29' : 20037+3145
SEI 827

29' : 20021+3135
SEI 798

30' : 20016+3233
TDT1920

33' : 19598+3219
TDT1905

33' : 20007+3232
ES 2430AB

34' : 20046+3213
HJ 1471

34' : 19597+3150
BU 1133

35' : 19594+3206
A 378

37' : 20014+3240
SEI 792

37' : 20040+3136
TDS1038

38' : 20042+3230
TDS1039

38' : 20026+3127
TDT1930

38' : 19597+3140
SEI 773

39' : 20007+3130
BRT 273



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.

20021+3204 BRT 274

 
 
20h 02m 04.12s +32° 03' 55.9" P.A. 7.00 sep 4.7 mag 12.40,13.00
 
 
Coord 2000 20021+3204 Discov num BRT 274 Comp Coord arcsec 2000 20 02 04.12 +32 03 55.9
Date first 1902 Date last 2018 Obs 5
Pa first 18 Pa last 6.6 P.A. Now (θ) 6.6°
Sep first 4.7 Sep last 4.724 Sep. Now (ρ) 4.724"
Mag pri 12.40 Mag sec 13.00 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -032 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2031073305415304832
 
 
WDS 20021+3204 BRT 274 : 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
20021+3204 BRT 274 1998 2 7 5.1 12.40 13.00 D 200204.12+320355.9
20021+3204 BRT 274 2002 3 8 5.2 12.40 13.00 D 200204.12+320355.9
20021+3204 BRT 274 2015 4 6 4.9 12.40 13.00 200204.12+320355.9
20021+3204 BRT 274 2018 5 7 4.7 12.40 13.00 200204.12+320355.9

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

 
 
WDS 20021+3204 BRT 274 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20021+3204 BRT 274 : MEASURES
 
 
No records found.

 
 
WDS 20021+3204 : VIRTUAL EYEPIECE
 
 

20021+3204 BRT 274A mag 12.4 20021+3204 BRT 274B sep 4.7 P.A. 5.60 mag 13 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 20021+3204 : ALADIN DSS IMAGE @ 20h 02m 04.12s +32° 03' 55.9"
 
 
 
 
WDS 20021+3204 BRT 274 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20021+3204 BRT 274 distance=0' 20014+3206 COU1472 distance=9' 20020+3213 TDS1034 distance=10' 20022+3154 SEI 802 distance=11' 20028+3158 ES 359AB distance=12' 20028+3158 ES 359BC distance=12' 20007+3211 TDT1911AB distance=19' 20007+3211 SCA 181AB,C distance=19' 20021+3144 SEI 799 distance=21' 20037+3209 COU1628 distance=22' 20035+3216 COU1627 distance=23' 20028+3142 ES 358 distance=25' 20019+3139 AG 245 distance=25' 20036+3220 A 380 distance=25' 20040+3152 BRT 276 distance=29' 20037+3145 SEI 827 distance=29' 20021+3135 SEI 798 distance=29' 20016+3233 TDT1920 distance=30' 19598+3219 TDT1905 distance=33' 20007+3232 ES 2430AB distance=33' 20007+3232 ES 2430AC distance=33' 20007+3232 DAM 313CD distance=33' 20046+3213 HJ 1471 distance=34' 19597+3150 BU 1133 distance=34' 19594+3206 A 378 distance=35' 20014+3240 SEI 792 distance=37' 20040+3136 TDS1038 distance=37' 20042+3230 TDS1039 distance=38' 20026+3127 TDT1930 distance=38' 19597+3140 SEI 773 distance=38' 20007+3130 BRT 273 distance=39' 19593+3219 HJ 1461 distance=39' 20026+3125 DAM 643 distance=40' 19589+3158 SEI 757 distance=42' 20017+3119 GRV 307 distance=45' 19585+3217 RAO 424AB distance=48' 19585+3217 RAO 424AC distance=48' 19588+3138 SEI 756 distance=49' 20059+3157 SEI 852 distance=51' 19583+3147 KU 126 distance=51' 20004+3252 TDT1910 distance=53' 19591+3128 SEI 758 distance=53' 20032+3112 BRT 275 distance=55' 19580+3145 TDT1884 distance=55' 20063+3148 COU1322 distance=57' 20039+3113 TDT1946 distance=57' 20064+3147 GYL 31 distance=58' 20019+3303 HO 586 distance=59' 20068+3203 SEI 881 distance=61' 19572+3203 KPP1143 distance=63' 20021+3308 SEI 797 distance=65' 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 20021+3204 BRT 274 7 4.7
Show 20014+3206 COU1472 190 1.2 9
Show 20020+3213 TDS1034 74 1.0 10
Show 20022+3154 SEI 802 312 20.0 11
Show 20028+3158 ES 359 AB 135 30.5 12
Show 20028+3158 ES 359 BC 68 6.1 12
Show 20007+3211 TDT1911 AB 52 0.6 19
Show 20007+3211 SCA 181 AB,C 92 3.6 19
Show 20021+3144 SEI 799 51 12.7 21
Show 20037+3209 COU1628 345 1.1 22
Show 20035+3216 COU1627 47 1.2 23
Show 20028+3142 ES 358 200 8.0 25
Show 20019+3139 AG 245 21 16.7 25
Show 20036+3220 A 380 202 0.4 25
Show 20040+3152 BRT 276 17 3.7 29
Show 20037+3145 SEI 827 18 9.4 29
Show 20021+3135 SEI 798 214 24.3 29
Show 20016+3233 TDT1920 154 0.7 30
Show 19598+3219 TDT1905 212 5.2 33
Show 20007+3232 ES 2430 AB 265 6.5 33
Show 20007+3232 ES 2430 AC 39 17.1 33
Show 20007+3232 DAM 313 CD 298 3.8 33
Show 20046+3213 HJ 1471 9 32.9 34
Show 19597+3150 BU 1133 344 1.1 34
Show 19594+3206 A 378 294 1.0 35
Show 20014+3240 SEI 792 5 25.4 37
Show 20040+3136 TDS1038 33 1.6 37
Show 20042+3230 TDS1039 112 1.4 38
Show 20026+3127 TDT1930 120 0.7 38
Show 19597+3140 SEI 773 258 17.4 38
Show 20007+3130 BRT 273 76 4.3 39
Show 19593+3219 HJ 1461 153 11.4 39
Show 20026+3125 DAM 643 175 6.8 40
Show 19589+3158 SEI 757 192 15.7 42
Show 20017+3119 GRV 307 138 45.7 45
Show 19585+3217 RAO 424 AB 58 2.3 48
Show 19585+3217 RAO 424 AC 343 4.0 48
Show 19588+3138 SEI 756 335 17.8 49
Show 20059+3157 SEI 852 255 44.8 51
Show 19583+3147 KU 126 13 53.1 51
Show 20004+3252 TDT1910 243 1.8 53
Show 19591+3128 SEI 758 159 23.1 53
Show 20032+3112 BRT 275 31 4.2 55
Show 19580+3145 TDT1884 122 0.5 55
Show 20063+3148 COU1322 106 0.2 57
Show 20039+3113 TDT1946 287 0.4 57
Show 20064+3147 GYL 31 180 68.2 58
Show 20019+3303 HO 586 172 6.8 59
Show 20068+3203 SEI 881 313 7.2 61
Show 19572+3203 KPP1143 292 8.9 63
Show 20021+3308 SEI 797 86 25.7 65

 
 
WDS 20021+3204 : COMPONENTS
 
 
  A
B pa=5.6°
sep=4.72"
 
 
20021+3204 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200204.12+320355.9 Mag 12.4 PmRA -12.00
PmDE -32.0
 
 
20021+3204 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200204.16+320400.6 Mag 13 Calc delta mag 0.6
Calc coord yes