20457+0709 BU 834

 
 
20h 45m 41.28s +07° 09' 11.6" P.A. 134.00 sep 2.4 mag 9.03,11.18 Sp K0
 
 
Coord 2000 20457+0709 Discov num BU  834 Comp Coord arcsec 2000 20 45 41.28 +07 09 11.6
Date first 1881 Date last 2016 Obs 15
Pa first 134 Pa last 134.3 P.A. Now (θ) 134.3°
Sep first 2.4 Sep last 2.367 Sep. Now (ρ) 2.367"
Mag pri 9.03 Mag sec 11.18 delta mag (ΔM) 2.15 Spectral class K0 (yellow-orange)
Pri motion ra +023 Sec motion ra +023
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0524-00811-1 Gaia DR2 1748181951537621376
 
 
WDS 20457+0709 BU 834 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bu_1873a Ma - Burnham, S.W. (BU 1 - 81) 1873MNRAS..33..351B
Bu_1873a MNRAS 33, 351, 1873
Bu_1873b Ma - Burnham, S.W. (BU 82 - 106) 1873MNRAS..33..437B
Bu_1873b MNRAS 33, 437, 1873
Bu_1873c - Burnham, S.W. 1873MNRAS..33..567B
Bu_1873c MNRAS 33, 567, 1873
Bu_1873d Ma - Burnham, S.W. (BU 107 - 182) 1873MNRAS..34...59B
Bu_1873d MNRAS 34, 59, 1873
Bu_1874a Ma - Burnham, S.W. (BU 183 - 229) 1874MNRAS..34..382B
Bu_1874a MNRAS 34, 382, 1874
Bu_1874b Ma - Burnham, S.W. (BU 230 - 300) 1874MNRAS..35...31B
Bu_1874b MNRAS 35, 31, 1874
Bu_1874c - Burnham, S.W. 1874MNRAS..34..370B
Bu_1874c MNRAS 34, 370, 1874
Bu_1874d Ma - Burnham, S.W. 1874MNRAS..34..393B
Bu_1874d MNRAS 34, 393, 1874
Bu_1874e Ma - Burnham, S.W. 1874MNRAS..35...28B
Bu_1874e MNRAS 35, 28, 1874
Bu_1875 Ma - Burnham, S.W. (BU 301 - 390) 1875AN.....86..337B
Bu_1875 AN 86, 337, 1875
Bu_1876 Ma - Burnham, S.W. (BU 391 - 436) 1876AN.....88..225B
Bu_1876 AN 88, 225, 1876
Bu_1876b - Burnham, S.W. 1876MNRAS..36...99B
Bu_1876b MNRAS 36, 99, 1876
Bu_1876c - Burnham, S.W. 1876MNRAS..36..331B
Bu_1876c MNRAS 36, 331, 1876 (no new data)
Bu_1877 Ma - Burnham, S.W. (BU 453 - 482) 1877MNRAS..38...78B
Bu_1877 MNRAS 38, 78, 1877
Bu_1878a Ma - Burnham, S.W. 1878MNRAS..38..408B
Bu_1878a MNRAS 38, 408, 1878
Bu_1878b - Burnham, S.W. 1878MNRAS..38..476B
Bu_1878b MNRAS 38, 476, 1878
Bu_1878c - Burnham, S.W. 1878MNRAS..38..478B
Bu_1878c MNRAS 38, 478, 1878
Bu_1878d Ma j Burnham, S.W. 1878AN.....92..235B
Bu_1878d AN 92, 235, 1878
Bu_1879 Ma j Burnham, S.W. 1879MmRAS..44..141B
Bu_1879 MemRAS 44, 141, 1879
Bu_1879B Ma - Burnham, S.W. 1879Obs.....3...20G
Bu_1879B cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C Ma - Burnham, S.W. 1879Obs.....3..142G
Bu_1879C cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d Ma - Burnham, S.W. 1879Obs.....3...92B
Bu_1879d Obs 3, 92, 1879
Bu_1879e Ma - Burnham, S.W. 1879MNRAS..40...99B
Bu_1879e MNRAS 40, 99, 1879
Bu_1880A Ma - Burnham, S.W. 1880Obs.....3..508G
Bu_1880A cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C Ma - Burnham, S.W. 1880Obs.....3..314G
Bu_1880C cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D Ma - Burnham, S.W. 1880Obs.....3..352G
Bu_1880D cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e Ma - Burnham, S.W. 1880Obs.....3..408B
Bu_1880e Obs 3, 408, 1880
Bu_1880f Ma - Burnham, S.W. 1880MNRAS..40..497B
Bu_1880f MNRAS 40, 497, 1880
Bu_1880g Ma - Burnham, S.W. 1880MNRAS..41...33B
Bu_1880g MNRAS 41, 33, 1880
Bu_1881 Ma j Burnham, S.W. 1881Obs.....4...19G
Bu_1881 cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a Ma - Burnham, S.W. (BU 776 - 863) 1882PWasO...1...91B
Bu_1882a Pub. Washburn Obs. 1, 91, 1882
Bu_1882b Ma - Burnham, S.W. 1882PWasO...1..113B
Bu_1882b Pub. Washburn Obs. 1, 113, 1882
Bu_1883 Ma j Burnham, S.W. (BU 864 - 1025) 1883MmRAS..47..167B
Bu_1883 MemRAS 47, 167, 1883
Bu_1883b Ma - Burnham, S.W. 1883MNRAS..43..318B
Bu_1883b MNRAS 43, 318, 1883
Bu_1884 Ma j Burnham, S.W. 1884MNRAS..44..365H
Bu_1884 MNRAS 44, 365, 1884
Bu_1884b Ma - Burnham, S.W. 1884AN....110..133B
Bu_1884b AN 110, 133, 1884
Bu_1884C Ma - Burnham, S.W. 1884AReg...22..216S
Bu_1884C cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887 Ma - Burnham, S.W. (BU 734 - 775) 1887PLicO...1...24B
Bu_1887 Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a Ma - Burnham, S.W. 1889AN....122..159B
Bu_1889a AN 122, 159, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889b Ma - Burnham, S.W. (BU 1026 - 1038) 1889AN....123....1B
Bu_1889b AN 123, 1, 1889 (measures also in Bu_1894a) 1894PLicO...2..185B
Bu_1889c Ma - Burnham, S.W. 1889AN....123...75B
Bu_1889c AN 123, 75, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889d Ma - Burnham, S.W. 1889PASP....1...36B
Bu_1889d PASP 1, 36, 1889 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1889e Ma j Burnham, S.W. 1889AN....121...63B
Bu_1889e AN 121, 63, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889f Ma j Bunham, S.W. 1889MNRAS..49..418B
Bu_1889f MNRAS 49, 418, 1889
Bu_1890a Ma - Burnham, S.W. (BU 1093 - 1154) 1889AN....124...49B
Bu_1890a AN 124, 49, 1890 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1890b Ma - Burnham, S.W. 1890AN....125...41B
Bu_1890b AN 125, 41, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1890c Ma - Burnham, S.W. 1890PASP....2..138B
Bu_1890c PASP 2, 138, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1891a orb - Burnham, S.W. 1891SidM...10..273B
Bu_1891a Sidereal Messenger 10, 273, 1891
Bu_1891b orb - Burnham, S.W. 1891Obs....14..263B
Bu_1891b Observatory 14, 263, 1891
Bu_1891c Ma j Burnham, S.W. 1891AN....127..289B
Bu_1891c AN 127, 289, 1891
Bu_1892 Ma - Burnham, S.W. (BU 1225 - 1266) 1892AN....130..257B
Bu_1892 AN 130, 257, 1892 (measures also in Bu_1894e) 1894PLicO...2..221B
Bu_1892b Ma - Burnham, S.W. 1892AN....130...77B
Bu_1892b AN 130, 77, 1892
Bu_1893a Ma - Burnham, S.W. 1893AN....131..329B
Bu_1893a AN 131, 329, 1893 (most measures also in Bu_1894) 1894PLicO...2.....B
Bu_1893b orb - Burnham, S.W. 1893MNRAS..53..478B
Bu_1893b MNRAS 53, 478, 1893
Bu_1893c orb - Burnham, S.W. 1893MNRAS..54..119B
Bu_1893c MNRAS 54, 119, 1893
Bu_1893d orb - Burnham, S.W. 1893AstAp..12..494B
Bu_1893d AstAp 12, 494, 1893
Bu_1893e orb - Burnham, S.W. 1893AstAp..12..585B
Bu_1893e AstAp 12, 585, 1893
Bu_1893f Ma - Burnham, S.W. (BU 1267 - 1274) 1893MNRAS..53..273B
Bu_1893f MNRAS 53, 273, 1893 (most measures also in Bu_1893a) 1893AN....131..329B
Bu_1893g orb - Burnham, S.W. 1893MNRAS..53..482B
Bu_1893g MNRAS 53, 482, 1893
Bu_1894 Ma j Burnham, S.W. 1894PLicO...2....3B
Bu_1894 Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) 1893AN....131..329B
Bu_1894a Ma j Burnham, S.W. (BU 1026 - 1038) 1894PLicO...2..185B
Bu_1894a Pub. Lick Obs. 2, 185, 1894
Bu_1894b Ma j Burnham, S.W. (BU 1039 - 1092) 1894PLicO...2..188B
Bu_1894b Pub. Lick Obs. 2, 188, 1894
Bu_1894c Ma - Burnham, S.W. (BU 1093 - 1154) 1894PLicO...2..197B
Bu_1894c Pub. Lick Obs. 2, 197, 1894
Bu_1894d Ma - Burnham, S.W. (BU 1155 - 1224) 1894PLicO...2..206B
Bu_1894d Pub. Lick Obs. 2, 206, 1894
Bu_1894e Ma - Burnham, S.W. (BU 1225 - 1266) 1894PLicO...2..221B
Bu_1894e Pub. Lick Obs. 2, 221, 1894
Bu_1894f Ma - Burnham, S.W. (BU 1267 - 1274) 1894PLicO...2..229B
Bu_1894f Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f) 1893MNRAS..53..273B
Bu_1894g Ma - Burnham, S.W. 1894PLicO...2..159B
Bu_1894g Pub. Lick Obs. 2, 159, 1894
Bu_1898 orb - Burnham, S.W. 1898MNRAS..59...59B
Bu_1898 MNRAS 58, 59, 1898
Bu_1900 Ma - Burnham, S.W. 1900PYerO...1....1B
Bu_1900 Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A Ma j Burnham, S.W. 1902AN....158..241E
Bu_1902A cited by Espin (AN 158, 241, 1902)
Bu_1903 Ma - Burnham, S.W. 1903PYerO...2....1B
Bu_1903 Pub. Yerkes Obs. 2, 1, 1903
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
Bu_1906B Ma - Burnham, S.W. 1906MmRAS..56....1L
Bu_1906B +orb cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907 Ma - Burnham, S.W. 1907AN....176..129B
Bu_1907 AN 176, 129, 1907 (most data in Bu_1913) 1913QB811.B8.......
Bu_1908 Ma - Burnham, S.W. 1908MNRAS..68..517B
Bu_1908 MNRAS 68, 517, 1908
Bu_1908A Ma - Burnham, S.W. 1908MNRAS..68..465B
Bu_1908A cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909 Ma - Burnham, S.W. 1909AN....180...65B
Bu_1909 AN 180, 65, 1909 (most data in Bu_1913) 1913QB811.B8.......
Bu_1909b Ma j Burnham, S.W. 1909AN....182..133B
Bu_1909b AN 182, 133, 1909
Bu_1910 Ma - Burnham, S.W. ...................
Bu_1910 Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b Ma - Burnham, S.W. 1910AN....185..145B
Bu_1910b AN 185, 145, 1910 (most data in Bu_1913) 1913QB811.B8.......
Bu_1911 - Burnham, S.W. 1911MNRAS..72..156J
Bu_1911 MNRAS 72, 156, 1911
Bu_1911b Ma j Burnham, S.W. 1911AN....189..385B
Bu_1911b AN 189, 385, 1911
Bu_1913 Ma j Burnham, S.W. 1913QB811.B8.......
Bu_1913 +Pa Carnegie Inst. Wash. #168, 1913
Bu_1913 +T
Bu_1918 Ma j Burnham, S.W. 1918AJ.....31..141B
Bu_1918 AJ 31, 141, 1918
Bu_1923A Ma - Burnham, S.W. 1923MNRAS..83..154E
Bu_1923A cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A Ma - Burnham, S.W. 1927sdsc.book......
Bu_1927A cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A Ma - Burnham, S.W. 1932QB821.A43......
Bu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A Ma - Burnham, S.W. 1963icvd.book.....J
Bu_1963A cited in IDS (Lick Index Cat.), 1963
Bu_2002A Ma - Burnham, S.W. 2002yCat.1275....0D
Bu_2002A cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20457+0709 BU 834 1991 14 131 2.4 9.03 11.18 K0 204541.28+070911.6
20457+0709 BU 834 2016 15 134 2.4 9.03 11.18 K0 204541.28+070911.6

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

 
 
WDS 20457+0709 BU 834 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20457+0709 BU 834 : MEASURES
 
 
No records found.

 
 
WDS 20457+0709 : VIRTUAL EYEPIECE
 
 

20457+0709 BU  834A mag 9.03 Sp K0 20457+0709 BU  834B sep 2.4 P.A. 134.50 mag 11.18 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20457+0709 : ALADIN DSS IMAGE @ 20h 45m 41.28s +07° 09' 11.6"
 
 
 
 
WDS 20457+0709 BU 834 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20457+0709  BU  834 distance=0' 20468+0733  GAA   8 distance=30' 20442+0648  SKF2552BC distance=31' 20442+0648  SKF2552AB distance=31' 20442+0648  SKF2552AC distance=31' 20426+0714  TDT2489 distance=47' 20487+0706  J  3223 distance=49' 20422+0724  J   571 distance=50' 20464+0618  TDT2533 distance=53' 20421+0648  GWP2987 distance=57' 20459+0607  TDT2523 distance=63' 20468+0821  GWP2998 distance=74' 20462+0822  SKF1867 distance=74' 20478+0600  BU   65 distance=76' 20478+0818  UC 4291 distance=76' 20455+0553  HDS2954 distance=77' 20478+0555  TDT2543 distance=81' 20501+0802  GWP3003 distance=84' 20457+0838  A  1210 distance=89' 20516+0734  A   612 distance=92' 20511+0623  STF2730 distance=93' 20516+0747  SKF1868 distance=96' 20399+0620  RAO 617 distance=100' 20504+0822  KPP4214 distance=101' 20527+0720  STF2733 distance=106' 20446+0854  LDS1046 distance=107' 20496+0538  GWP3002 distance=109' 20388+0750  TDT2448 distance=110' 20504+0834  UC 4306 distance=110' 20478+0857  UC 4290 distance=113' 20386+0628  KPP 806 distance=114' 20500+0533  STTA210AB distance=116' 20500+0533  STTA210BC distance=118' 20533+0627  TDT2607 distance=122' 20539+0730  TDT2613 distance=124' 20519+0544  A   613 distance=126' 20488+0512  J  2321AB distance=127' 20488+0512  OSO 135AC distance=127' 20543+0650  TDT2621 distance=130' 20511+0526  GCB  59 distance=132' 20539+0620  TDS1107 distance=133' 20507+0859  TDT2574 distance=133' 20540+0614  TDT2616 distance=136' 20546+0641  SLN  86 distance=136' 20514+0524  TOB 313 distance=136' 20473+0924  GWP2999 distance=137' 20492+0502  HDS2967 distance=139' 20533+0551  UC 4318 distance=139' 20364+0733  GWP2971 distance=140' 20384+0838  WIS 339 distance=141' 20552+0729  GWP3017 distance=143' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20457+0709 BU 834 134 2.4
Show 20468+0733 GAA 8 1 0.0 30
Show 20442+0648 SKF2552 BC 343 11.4 31
Show 20442+0648 SKF2552 AB 60 17.6 31
Show 20442+0648 SKF2552 AC 31 23.1 31
Show 20426+0714 TDT2489 232 0.4 47
Show 20487+0706 J 3223 307 2.7 49
Show 20422+0724 J 571 255 3.9 50
Show 20464+0618 TDT2533 230 0.7 53
Show 20421+0648 GWP2987 295 266.1 57
Show 20459+0607 TDT2523 80 1.7 63
Show 20468+0821 GWP2998 50 104.9 74
Show 20462+0822 SKF1867 357 6.1 74
Show 20478+0600 BU 65 200 1.5 76
Show 20478+0818 UC 4291 7 46.1 76
Show 20455+0553 HDS2954 298 1.0 77
Show 20478+0555 TDT2543 263 0.6 81
Show 20501+0802 GWP3003 228 21.2 84
Show 20457+0838 A 1210 247 4.0 89
Show 20516+0734 A 612 7 2.0 92
Show 20511+0623 STF2730 333 3.3 93
Show 20516+0747 SKF1868 313 57.7 96
Show 20399+0620 RAO 617 334 2.5 100
Show 20504+0822 KPP4214 86 4.3 101
Show 20527+0720 STF2733 145 40.2 106
Show 20446+0854 LDS1046 344 15.0 107
Show 20496+0538 GWP3002 247 57.2 109
Show 20388+0750 TDT2448 28 0.6 110
Show 20504+0834 UC 4306 296 42.5 110
Show 20478+0857 UC 4290 5 86.8 113
Show 20386+0628 KPP 806 87 7.0 114
Show 20500+0533 STTA210 AB 127 78.2 116
Show 20500+0533 STTA210 BC 222 12.4 118
Show 20533+0627 TDT2607 281 0.6 122
Show 20539+0730 TDT2613 69 0.6 124
Show 20519+0544 A 613 324 0.7 126
Show 20488+0512 J 2321 AB 151 6.6 127
Show 20488+0512 OSO 135 AC 158 16.6 127
Show 20543+0650 TDT2621 4 1.7 130
Show 20511+0526 GCB 59 238 10.1 132
Show 20539+0620 TDS1107 110 1.6 133
Show 20507+0859 TDT2574 142 1.4 133
Show 20540+0614 TDT2616 100 0.4 136
Show 20546+0641 SLN 86 160 4.8 136
Show 20514+0524 TOB 313 130 20.8 136
Show 20473+0924 GWP2999 356 110.7 137
Show 20492+0502 HDS2967 190 0.4 139
Show 20533+0551 UC 4318 168 33.0 139
Show 20364+0733 GWP2971 84 8.6 140
Show 20384+0838 WIS 339 24 999.9 141
Show 20552+0729 GWP3017 96 132.1 143

 
 
WDS 20457+0709 : COMPONENTS
 
 
  A
B pa=134.5°
sep=2.36"
 
 
20457+0709 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204541.28+070911.6 Mag 9.03 Spectral class K0 (yellow-orange)
PmRA 23.00 PmDE -15.0 Tycho2 0524-00811-1
Tycho2
Tycho2 0524-00811-1 Pflag RAmdeg 311.42199371 DEmdeg 7.15322035
PmRA 22.9 PmDE -14.7 E RAmdeg 11 E DEmdeg 14
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.50 EpDEm 1991.21
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.2 Q pmRA 0.4
Q pmDE 0.2 BTmag 10.128 E BTmag 0.029 VTmag 9.026
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 311.42194028 DEdeg 7.15325472 EpRA 1990 1.70
EpDE 1990 1.55 E RAdeg 10.8 E DEdeg 13.6 Posflg
Corr -0.2
CCDM
Ccdm 20457+0709 RComp Comp A Note1
Note2 Discov num DRAs -0.71 DDEs 11.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp K0 PmNote *
PmRA 39 PmDE -20 Dm number +06 4638 Cat1 BD
Name2 +06 2808 Cat2 AGK2/3 HD M HD
ADS BDS A14249 M ADS BDS N IDS IDS 20408N0647A
HIC
 
 
20457+0709 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204541.39+070909.9 Mag 11.18 PmRA 23.00
PmDE -15.0 Calc delta mag 2.15 Calc coord yes
CCDM
Ccdm 20457+0709 RComp Comp B Note1
Note2 Discov num BU 834 DRAs DDEs
R dRAs Year 1881 Theta 134 Rho 2.2
Obs 10 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14249 M ADS BDS N IDS IDS 20408N0647B
HIC