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Current system
20154+2045
BRT 2469


Nearby doubles
18' : 20163+2033
HDS2888

34' : 20138+2021
HJ 2941

37' : 20136+2021
BU 1484

37' : 20153+2120
J 3067

39' : 20177+2025
J 2308AB

40' : 20131+2107
GRV 323

43' : 20124+2043
NSN 730

47' : 20173+2009
J 3071

48' : 20156+1958
ROE 101AB

50' : 20120+2100
HJ 907AB

51' : 20166+2134
BRT2524

52' : 20190+2058
KPP1850

55' : 20193+2047
TDT2166AB

56' : 20119+2020
J 1876

58' : 20124+2124
DAM1255

59' : 20113+2056
J 1875

60' : 20183+2002
HJ 912AB

60' : 20190+2121
J 3074

61' : 20190+2117
GRV 329

64' : 20115+2013
GRV 320

65' : 20136+2145
J 834

65' : 20176+2142
TDT2144

65' : 20187+2001
HDS2901

67' : 20184+2137
ARG 90AB

68' : 20190+2131
J 554

68' : 20108+2029
HDS2875



Selections
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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.

20154+2045 BRT 2469

 
 
20h 15m 25.94s +20° 45' 39.4" P.A. 60.00 sep 3.9 mag 11.00,11.20
 
 
Coord 2000 20154+2045 Discov num BRT2469 Comp Coord arcsec 2000 20 15 25.94 +20 45 39.4
Date first 1894 Date last 2015 Obs 6
Pa first 241 Pa last 59.6 P.A. Now (θ) 59.6°
Sep first 4.2 Sep last 3.89 Sep. Now (ρ) 3.89"
Mag pri 11.00 Mag sec 11.20 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -034 Sec motion ra +026
Pri motion dec -092 Sec motion dec -054
Notes
rPM=0.724
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1828695477203565568
 
 
WDS 20154+2045 BRT 2469 : 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
20154+2045 BRT2469 2000 3 60 3.9 11.00 11.20 D 201525.94+204539.4
20154+2045 BRT2469 2001 4 60 3.9 11.00 11.20 D 201525.94+204539.4
20154+2045 BRT2469 2015 5 60 3.9 11.00 11.20 201525.94+204539.4

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

 
 
WDS 20154+2045 BRT 2469 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20154+2045 BRT 2469 : MEASURES
 
 
No records found.

 
 
WDS 20154+2045 : VIRTUAL EYEPIECE
 
 

20154+2045 BRT2469A mag 11 20154+2045 BRT2469B sep 3.7 P.A. 57.90 mag 11.2 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 20154+2045 : ALADIN DSS IMAGE @ 20h 15m 25.94s +20° 45' 39.4"
 
 
 
 
WDS 20154+2045 BRT 2469 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20154+2045 BRT2469 distance=0' 20163+2033 HDS2888 distance=18' 20138+2021 HJ 2941 distance=34' 20136+2021 BU 1484 distance=37' 20153+2120 J 3067 distance=37' 20177+2025 J 2308BC distance=38' 20177+2025 COU 219Aa,Ab distance=39' 20177+2025 J 2308AB distance=39' 20177+2025 J 2308AC distance=39' 20177+2025 BTG 4AD distance=39' 20177+2025 BTG 4AE distance=39' 20131+2107 GRV 323 distance=40' 20124+2043 NSN 730 distance=43' 20173+2009 J 3071 distance=47' 20156+1958 ROE 101AB distance=48' 20156+1958 ROE 101AC distance=48' 20156+1958 ROE 101AD distance=48' 20156+1958 ROE 101AE distance=48' 20120+2100 HJ 907AB distance=50' 20120+2100 HJ 907AC distance=50' 20166+2134 BRT2524 distance=51' 20190+2058 KPP1850 distance=52' 20193+2047 TDT2166AB distance=55' 20119+2020 J 1876 distance=56' 20124+2124 DAM1255 distance=58' 20113+2056 J 1875 distance=59' 20183+2002 HJ 912AB distance=60' 20183+2002 HJ 912AC distance=60' 20190+2121 J 3074 distance=60' 20190+2117 GRV 329 distance=61' 20115+2013 GRV 320 distance=64' 20136+2145 J 834 distance=65' 20176+2142 TDT2144 distance=65' 20187+2001 HDS2901 distance=65' 20184+2137 ARG 90AB distance=67' 20184+2137 DAM 292AC distance=67' 20190+2131 J 554 distance=68' 20108+2029 HDS2875 distance=68' 20113+2121 HO 587 distance=68' 20153+1937 UC 249 distance=69' 20132+2145 J 1194 distance=69' 20178+1944 J 3072 distance=69' 20188+2142 A 285 distance=74' 20148+2159 HDS2886 distance=74' 20195+1954 J 836 distance=76' 20099+2055 STF2637AB distance=78' 20099+2055 STF2637AD distance=78' 20099+2055 STF2637AC distance=78' 20099+2055 STF2637BC distance=78' 20099+2100 S 737 distance=79' 20162+1927 FMR 158 distance=80' 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 20154+2045 BRT2469 60 3.9
Show 20163+2033 HDS2888 283 0.6 18
Show 20138+2021 HJ 2941 109 6.2 34
Show 20136+2021 BU 1484 323 23.7 37
Show 20153+2120 J 3067 140 6.3 37
Show 20177+2025 J 2308 BC 297 5.7 38
Show 20177+2025 COU 219 Aa,Ab 109 0.4 39
Show 20177+2025 J 2308 AB 283 37.0 39
Show 20177+2025 J 2308 AC 284 42.5 39
Show 20177+2025 BTG 4 AD 170 33.8 39
Show 20177+2025 BTG 4 AE 267 28.9 39
Show 20131+2107 GRV 323 204 19.0 40
Show 20124+2043 NSN 730 146 3.2 43
Show 20173+2009 J 3071 219 6.1 47
Show 20156+1958 ROE 101 AB 53 12.7 48
Show 20156+1958 ROE 101 AC 187 40.9 48
Show 20156+1958 ROE 101 AD 289 11.9 48
Show 20156+1958 ROE 101 AE 59 46.1 48
Show 20120+2100 HJ 907 AB 137 5.7 50
Show 20120+2100 HJ 907 AC 229 20.1 50
Show 20166+2134 BRT2524 288 5.2 51
Show 20190+2058 KPP1850 121 14.3 52
Show 20193+2047 TDT2166 AB 20 2.5 55
Show 20119+2020 J 1876 99 8.2 56
Show 20124+2124 DAM1255 23 7.1 58
Show 20113+2056 J 1875 100 8.8 59
Show 20183+2002 HJ 912 AB 78 5.1 60
Show 20183+2002 HJ 912 AC 170 89.6 60
Show 20190+2121 J 3074 331 7.8 60
Show 20190+2117 GRV 329 339 66.7 61
Show 20115+2013 GRV 320 152 31.3 64
Show 20136+2145 J 834 277 2.3 65
Show 20176+2142 TDT2144 72 0.7 65
Show 20187+2001 HDS2901 46 0.3 65
Show 20184+2137 ARG 90 AB 73 12.8 67
Show 20184+2137 DAM 292 AC 115 16.7 67
Show 20190+2131 J 554 217 5.9 68
Show 20108+2029 HDS2875 231 0.3 68
Show 20113+2121 HO 587 65 11.5 68
Show 20153+1937 UC 249 165 83.5 69
Show 20132+2145 J 1194 115 6.3 69
Show 20178+1944 J 3072 91 5.8 69
Show 20188+2142 A 285 296 3.3 74
Show 20148+2159 HDS2886 64 1.0 74
Show 20195+1954 J 836 251 3.0 76
Show 20099+2055 STF2637 AB 331 11.6 78
Show 20099+2055 STF2637 AD 226 172.8 78
Show 20099+2055 STF2637 AC 222 91.9 78
Show 20099+2055 STF2637 BC 215 95.7 78
Show 20099+2100 S 737 128 101.0 79
Show 20162+1927 FMR 158 41 22.1 80

 
 
WDS 20154+2045 : COMPONENTS
 
 
  A
B pa=57.9°
sep=3.70"
 
 
20154+2045 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201525.94+204539.4 Mag 11 PmRA -34.00
PmDE -92.0
 
 
20154+2045 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201526.16+204541.4 Mag 11.2 PmRA 26.00
PmDE -54.0 Calc delta mag 0.2 Calc coord yes