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J/A+AS/123/445      uvby photometry of metallic & Hg-Mn stars (Adelman 1997)
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On the possible variability of metallic-line and Mercury-Manganese stars
       Adelman S.J.
      <Astron. Astrophys. Suppl. Ser. 123, 445 (1997)>
      =1997A&AS..123..445A      (SIMBAD/NED BibCode)
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ADC_Keywords: Stars, peculiar ; Photometry, uvby
Keywords: stars: chemically peculiar

Abstract:
    Differential Stroemgren uvby photometric observations from the 0.75-m
    Four College Automated Photoelectric Telescope were obtained for three
    metallic-line and three Mercury-Manganese stars. None were found to be
    variable. These sharp-lined stars may not be the best tests for class
    variability as their polar axes are pointed towards the earth. Each
    presents essentially the same visible hemisphere as it rotates.

Objects:
    ----------------------------------------------------------
       RA   (2000)   DE    Designation(s)
    ----------------------------------------------------------
    20 01 05.7 +27 45 13   15 Vul  = HD 189849 = HR 7653
    04 19 26.0 +21 08 34   53 Tau  = HD 27295  = HR 1339
    04 25 28.9 +17 55 43   68 Tau  = HD 27962  = HR 1389
    10 24 07.9 +65 34 00   HR 4072 = HD 89822
    16 19 07.5 -20 13 04   HR 6076 = HD 146834
    22 41 45.3 +29 18 28   omicron Peg   = HD 214994  = HR 8641
    ----------------------------------------------------------

File Summary:
--------------------------------------------------------------------------------
  FileName      Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
table2             68       14   68 Tau uvby photometry
table3             69       43   15 Vul uvby photometry
table4             68       25   omicron Peg uvby photometry
table5             68       18   53 Tau uvby photometry
table6             68      143   HR 4072 uvby photometry
table7             68       77   HR 6076 uvby photometry
tablea            122       23   Average uvby photometry
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See also:
  J/A+AS/122/249 : uvby photometry of 4 CP stars (Adelman, 1997)

Byte-by-byte Description of file: table2, table3, table4, table5, table6
Byte-by-byte Description of file: table7
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   Bytes Format Units   Label     Explanations
--------------------------------------------------------------------------------
   1- 12  F12.4 d       HJD       Heliocentric Julian Date
  14- 19  F6.3  mag     umag1     Variable-comparison (v-c) u magnitude
  21- 26  F6.3  mag     umag2     Check-comparison (ch-c) u magnitude
  28- 33  F6.3  mag     vmag1     Variable-comparison (v-c) v magnitude
  35- 40  F6.3  mag     vmag2     Check-comparison (ch-c) v magnitude
  42- 47  F6.3  mag     bmag1     Variable-comparison (v-c) b magnitude
  49- 54  F6.3  mag     bmag2     Check-comparison (ch-c) b magnitude
  56- 61  F6.3  mag     ymag1     Variable-comparison (v-c) y magnitude
  63- 68  F6.3  mag     ymag2     Check-comparison (ch-c) y magnitude
--------------------------------------------------------------------------------

Byte-by-byte Description of file: tablea
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   Bytes Format Units   Label     Explanations
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   1-  7  A7    ---     Name      star name
  11- 16  A6    ---     Per       Period considered
  18- 23  F6.3  mag     umag1     Variable-comparison (v-c) u magnitude
  25- 29  F5.3  mag   e_umag1     rms uncertainty on umag1
  31- 36  F6.3  mag     umag2     Check-comparison (ch-c) u magnitude
  38- 42  F5.3  mag   e_umag2     rms uncertainty on umag2
  44- 49  F6.3  mag     vmag1     Variable-comparison (v-c) v magnitude
  51- 55  F5.3  mag   e_vmag1     rms uncertainty on vmag1
  57- 62  F6.3  mag     vmag2     Check-comparison (ch-c) v magnitude
  64- 68  F5.3  mag   e_vmag2     rms uncertainty on vmag2
  70- 75  F6.3  mag     bmag1     Variable-comparison (v-c) b magnitude
  77- 81  F5.3  mag   e_bmag1     rms uncertainty on bmag1
  83- 88  F6.3  mag     bmag2     Check-comparison (ch-c) b magnitude
  90- 94  F5.3  mag   e_bmag2     rms uncertainty on bmag2
  96-101  F6.3  mag     ymag1     Variable-comparison (v-c) y magnitude
 103-107  F5.3  mag   e_ymag1     rms uncertainty on ymag1
 109-114  F6.3  mag     ymag2     Check-comparison (ch-c) y magnitude
 116-120  F5.3  mag   e_ymag2     rms uncertainty on ymag2
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Acknowledgements: Saul J. Adelman <ADELMANS@adelvx.citadel.edu>

Historical notes: There were an inversion between the b and v magnitude labels.
    This was corrected on 24-Apr-1998
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(End)                                         Patricia Bauer [CDS]   15-Oct-1996