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J/A+AS/125/337      New variables in NGC 288 (Kaluzny+ 1997)
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New variable stars in the globular cluster NGC 288
       Kaluzny J., Krzeminski W., Nalezyty M.
      <Astron. Astrophys. Suppl. Ser. 125, 337 (1997)>
      =1997A&AS..125..337K      (SIMBAD/NED BibCode)
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ADC_Keywords: Clusters, globular ; Stars, variable
Keywords: globular clusters: individual: NGC 288 - stars: variables: other -
          blue stragglers - stars: horizontal-branch - binaries: close

Abstract:
    We report discovery of 3 new faint variables in the globular cluster
    NGC 288: 2 SX Phe stars and 1 contact binary. Both SX Phe variables
    are blue stragglers. The contact binary is located below cluster
    turnoff, slightly to the red of the main sequence. New photometry of 6
    previously known variables is also presented. We note that 26 out of a
    total 43 SX Phe stars identified recently in {omega} Cen and NGC 288
    exhibit V-band light curves with full amplitudes smaller than 0.10mag.
    The sample of known SX Phe stars is likely to be significantly
    incomplete in regard to the low amplitude variables.

Objects:
    -----------------------------------------
       RA   (2000)   DE        Designation(s)
    -----------------------------------------
    00 52 46.64  -26 34 07.4   NGC 288 V2
    00 52 40.21  -26 32 28.8   NGC 288 V3
    00 52 42.80  -26 34 45.4   NGC 288 V4
    00 52 44.98  -26 33 52.1   NGC 288 V5
    00 52 42.40  -26 34 54.6   NGC 288 V6
    00 52 41.39  -26 33 59.7   NGC 288 V7
    00 52 44.27  -26 33 59.6   NGC 288 V8
    00 52 42.88  -26 34 09.6   NGC 288 V9
    00 52 47.86  -26 33 01.9   NGC 288 V10
    -----------------------------------------

File Summary:
--------------------------------------------------------------------------------
 FileName    Lrecl    Records    Explanations
--------------------------------------------------------------------------------
ReadMe          80          .    This file
table2          26        297    V-band light curve of variable V2
table3          26        190    V-band light curve of variable V3
table4          26        430    V-band light curve of variable V4
table5          26        416    V-band light curve of variable V5
table6          26        419    V-band light curve of variable V6
table7          26        278    V-band light curve of variable V7
table8          26        396    V-band light curve of variable V8
table9          26        410    V-band light curve of variable V9
table10         26        332    V-band light curve of variable V10
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Byte-by-byte Description of file: table*
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Bytes     Format Units   Label    Explanations
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   1- 12  F12.4   d      HJD      Heliocentric Julian date 
  14- 19  F6.3   mag     Vmag     V magnitude
  22- 26  F5.3   mag   e_Vmag     Error of V magnitude
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Acknowledgements: Janusz Kaluzny <jka@vela.astrouw.edu.pl>
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(End)                                          Janusz Kaluzny        18-Nov-1997