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Doubles in session


Current system
18468+3055
BRT 261


Nearby doubles
5' : 18465+3055
A 254

24' : 18458+3113
SLE 120

24' : 18464+3116
HJ 1345

31' : 18472+3125
STF2397

45' : 18486+3016
TDT1064

45' : 18486+3132
TDT1063AB

47' : 18434+3037
SLE 118

47' : 18490+3017
TDT1067

50' : 18488+3136
LDS1015

50' : 18437+3024
STF2376AB

53' : 18454+3005
SLE 119

56' : 18475+3149
BRT 262

59' : 18424+3036
LDS1014

62' : 18437+3141
A 253

64' : 18442+3000
TDT1022

66' : 18518+3105
COU1012

68' : 18429+3008
SLE 117AB

69' : 18501+3149
A 256

73' : 18432+3150
UC 3654

74' : 18414+3032
TDT 998

74' : 18448+2945
TDT1028

77' : 18466+3210
HU 935

78' : 18409+3044
SLE 114

78' : 18501+2949
HJ 1352

80' : 18530+3058
LEP 159

81' : 18413+3018
STF2367AB



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.

18468+3055 BRT 261

 
 
18h 46m 48.48s +30° 53' 55.4" P.A. 18.00 sep 4.7 mag 10.30,11.20
 
 
Coord 2000 18468+3055 Discov num BRT 261 Comp Coord arcsec 2000 18 46 48.48 +30 53 55.4
Date first 1900 Date last 2016 Obs 9
Pa first 18 Pa last 17.5 P.A. Now (θ) 17.5°
Sep first 1.9 Sep last 4.745 Sep. Now (ρ) 4.745"
Mag pri 10.30 Mag sec 11.20 delta mag (ΔM) 0.9 Spectral class
Pri motion ra -007 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2638-02271-1 Gaia DR2 2089735789783892736
 
 
WDS 18468+3055 BRT 261 : 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
18468+3055 BRT 261 2003 6 19 4.6 10.30 11.20 D 184648.48+305355.4
18468+3055 BRT 261 2015 8 18 4.7 10.30 11.20 184648.48+305355.4
18468+3055 BRT 261 2016 9 18 4.7 10.30 11.20 S 184648.48+305355.4

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

 
 
WDS 18468+3055 BRT 261 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18468+3055 BRT 261 : MEASURES
 
 
No records found.

 
 
WDS 18468+3055 : VIRTUAL EYEPIECE
 
 

18468+3055 BRT 261A mag 10.3 18468+3055 BRT 261B sep 4.7 P.A. 15.10 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 18468+3055 : ALADIN DSS IMAGE @ 18h 46m 48.48s +30° 53' 55.4"
 
 
 
 
WDS 18468+3055 BRT 261 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18468+3055 BRT 261 distance=0' 18465+3055 A 254 distance=5' 18458+3113 SLE 120 distance=24' 18464+3116 HJ 1345 distance=24' 18472+3125 STF2397 distance=31' 18486+3016 TDT1064 distance=45' 18486+3132 TDT1063AB distance=45' 18486+3132 TDT1063AC distance=45' 18434+3037 SLE 118 distance=47' 18490+3017 TDT1067 distance=47' 18488+3136 LDS1015 distance=50' 18437+3024 STF2376AB distance=50' 18437+3024 STF2376AC distance=50' 18437+3024 SLE 112AD distance=50' 18454+3005 SLE 119 distance=53' 18475+3149 BRT 262 distance=56' 18424+3036 LDS1014 distance=59' 18437+3141 A 253 distance=62' 18442+3000 TDT1022 distance=64' 18518+3105 COU1012 distance=66' 18429+3008 SLE 117AB distance=68' 18429+3008 SLE 117AC distance=68' 18501+3149 A 256 distance=69' 18432+3150 UC 3654 distance=73' 18414+3032 TDT 998 distance=74' 18448+2945 TDT1028 distance=74' 18466+3210 HU 935 distance=77' 18409+3044 SLE 114 distance=78' 18501+2949 HJ 1352 distance=78' 18530+3058 LEP 159 distance=80' 18413+3018 STF2367AB distance=81' 18413+3018 BTG 2AB,F distance=81' 18413+3018 STF2367AB,C distance=81' 18413+3018 STF2367AB,D distance=81' 18413+3018 STF2367AB,E distance=81' 18528+3125 A 257EF distance=83' 18528+3125 A 257CD,EF distance=83' 18528+3125 A 257CD distance=83' 18528+3125 A 257AB distance=84' 18528+3125 A 257A,CD distance=84' 18526+3131 SEI 576 distance=84' 18482+2933 TDT1059 distance=84' 18514+2954 TDT1087 distance=85' 18409+3132 HJ 1337 distance=85' 18457+3218 SEI 574 distance=86' 18428+2945 SLE 116 distance=86' 18400+3051 ARY 59 distance=88' 18405+3017 HJ 1336AB distance=90' 18405+3017 HJ 1336AC distance=90' 18405+3017 HJ 1336AD distance=90' 18405+3017 HJ 1336AE distance=90' 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 18468+3055 BRT 261 18 4.7
Show 18465+3055 A 254 48 2.3 5
Show 18458+3113 SLE 120 115 6.9 24
Show 18464+3116 HJ 1345 169 11.7 24
Show 18472+3125 STF2397 269 3.9 31
Show 18486+3016 TDT1064 163 0.5 45
Show 18486+3132 TDT1063 AB 106 0.1 45
Show 18486+3132 TDT1063 AC 142 1.1 45
Show 18434+3037 SLE 118 45 8.3 47
Show 18490+3017 TDT1067 342 2.2 47
Show 18488+3136 LDS1015 301 110.3 50
Show 18437+3024 STF2376 AB 63 22.3 50
Show 18437+3024 STF2376 AC 206 85.1 50
Show 18437+3024 SLE 112 AD 168 29.1 50
Show 18454+3005 SLE 119 177 6.6 53
Show 18475+3149 BRT 262 342 4.8 56
Show 18424+3036 LDS1014 13 49.3 59
Show 18437+3141 A 253 132 0.7 62
Show 18442+3000 TDT1022 128 0.6 64
Show 18518+3105 COU1012 238 0.4 66
Show 18429+3008 SLE 117 AB 299 13.6 68
Show 18429+3008 SLE 117 AC 13 17.7 68
Show 18501+3149 A 256 60 2.9 69
Show 18432+3150 UC 3654 195 30.0 73
Show 18414+3032 TDT 998 315 0.8 74
Show 18448+2945 TDT1028 69 0.6 74
Show 18466+3210 HU 935 153 3.1 77
Show 18409+3044 SLE 114 145 4.3 78
Show 18501+2949 HJ 1352 251 13.5 78
Show 18530+3058 LEP 159 357 10.5 80
Show 18413+3018 STF2367 AB 73 0.4 81
Show 18413+3018 BTG 2 AB,F 173 42.4 81
Show 18413+3018 STF2367 AB,C 192 14.1 81
Show 18413+3018 STF2367 AB,D 84 21.9 81
Show 18413+3018 STF2367 AB,E 341 151.7 81
Show 18528+3125 A 257 EF 231 6.2 83
Show 18528+3125 A 257 CD,EF 225 28.0 83
Show 18528+3125 A 257 CD 262 0.7 83
Show 18528+3125 A 257 AB 94 0.9 84
Show 18528+3125 A 257 A,CD 324 82.4 84
Show 18526+3131 SEI 576 297 16.0 84
Show 18482+2933 TDT1059 252 2.7 84
Show 18514+2954 TDT1087 204 1.6 85
Show 18409+3132 HJ 1337 151 9.4 85
Show 18457+3218 SEI 574 263 18.7 86
Show 18428+2945 SLE 116 71 18.2 86
Show 18400+3051 ARY 59 280 52.4 88
Show 18405+3017 HJ 1336 AB 89 16.9 90
Show 18405+3017 HJ 1336 AC 176 32.6 90
Show 18405+3017 HJ 1336 AD 294 33.1 90
Show 18405+3017 HJ 1336 AE 334 32.3 90

 
 
WDS 18468+3055 : COMPONENTS
 
 
  A
B pa=15.1°
sep=4.69"
 
 
18468+3055 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184648.48+305355.4 Mag 10.3 PmRA -7.00
PmDE -22.0 Tycho2 2638-02271-1
Tycho2
Tycho2 2638-02271-1 Pflag RAmdeg 281.70201051 DEmdeg 30.89871653
PmRA -4.5 PmDE -17.8 E RAmdeg 36 E DEmdeg 37
E pmRA 2.4 E pmDE 2.3 EpRAm 1988.92 EpDEm 1988.70
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.2 BTmag 12.045 E BTmag 0.103 VTmag 10.636
E VTmag 0.045 Prox 999 TYC T HIP
CCDM RAdeg 281.70202306 DEdeg 30.89875833 EpRA 1990 1.55
EpDE 1990 1.58 E RAdeg 37.0 E DEdeg 38.0 Posflg
Corr 0.0
 
 
18468+3055 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184648.58+305359.9 Mag 11.2 Calc delta mag 0.9
Calc coord yes