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J/A+A/542/A53   VR + velocity variations of IRAS 11472-0800 (Van Winckel+, 2012)
IRAS 11472-0800: an extremely depleted pulsating binary post-AGB star.
    Van Winckel H., Hrivnak B.J., Gorlova N., Gielen C., Lu W.
   <Astron. Astrophys. 542, A53 (2012)>
   =2012A&A...542A..53V
ADC_Keywords: Binaries, spectroscopic ; Photometry, VRI ; Radial velocities

Keywords: stars: AGB and post-AGB - binaries: general -
          binaries: spectroscopic - stars: chemically peculiar -
          stars: evolution - stars: abundances

Abstract:
    We focus here on one particular and poorly studied object,
    IRAS 11472-0800. It is a highly evolved post-asymptotic giant branch
    (post-AGB) star of spectral type F, with a large infrared excess
    produced by thermal emission of circumstellar dust.

    We deployed a multi-wavelength study that includes the analyses of
    optical and IR spectra as well as a variability study based on
    photometric and spectroscopic time-series.

Description:
    Photometric observations of IRAS 11472-0800 were carried out at the
    Valparaiso University Observatory (VUO) from 1995 to 2008. These were
    made with the 0.4-m campus telescope and CCD camera using standard V
    and R filters.
Objects:
    -------------------------------------------------------
       RA   (2000)   DE      Designation(s)
    -------------------------------------------------------
    11 49 48.04 -08 17 20.5  IRAS 11472-0800 = V* AF Crt
    -------------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table3.dat        59       75   Differential standard magnitudes and colours of IRAS
                             11472-0800 from Valparaiso University Observatory
table6.dat        26       49   Barycentric radial velocity data of IRAS 11472-0800
                             obtained with the HERMES spectrograph


Byte-by-byte Description of file: table3.dat

   Bytes Format Units   Label     Explanations

   1- 12  F12.4 d       HJDV      V-band heliocentric Julian date
  14- 19  F6.3  mag     DVmag     Differential V magnitude
  21- 32  F12.4 d       HJDR      ? R-band heliocentric Julian date
  34- 39  F6.3  mag     DRmag     ? Differential R magnitude
  41- 52  F12.4 d       HJDV-R    ? V-R heliocentric Julian date
  54- 59  F6.3  mag     DV-R      ? Differential V-R colour index


Byte-by-byte Description of file: table6.dat

   Bytes Format Units   Label     Explanations

   1- 15  F15.7 d       HJD       Heliocentric Julian date
  17- 21  F5.2  km/s    RV        Barycentric radial velocity
  23- 26  F4.2  km/s    e_RV      rms uncertainty on RV


History:
    From electronic version of the journal
(End)                                        Patricia Vannier [CDS]  02-May-2012