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J/A+AS/146/437      IR spectra of oxygen-rich evolved stars  (Speck+, 2000)
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Dust features in the 10-{mu}m infrared spectra of oxygen-rich evolved stars.
     Speck A.K., Barlow M.J., Sylvester R.J., Hofmeister A.M.
    <Astron. Astrophys. Suppl. Ser. 146, 437 (2000)>
    =2000A&AS..146..437S
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ADC_Keywords: Stars, supergiant ; Spectra, infrared
Keywords: (stars:) circumstellar matter - stars: mass-loss -
          stars: AGB and post-AGB - (stars:) supergiants - infrared: stars -
          stars: variables: other

Abstract:
    We have analyzed the 8-13.5{mu}m UKIRT CGS3 spectra of 142 M-type
    stars including 80 oxygen-rich AGB stars and 62 red supergiants, with
    a view to understanding the differences and similarities between the
    dust features of these stars. We have classified the spectra into
    groups according to the observed appearance of the infrared features.

File Summary:
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 FileName      Lrecl  Records   Explanations
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ReadMe            80        .   This file
table1.dat       135       73   AGB stars observed
table2.dat       135       41   Supergiant stars in the sample
table3.dat        27       70   10{mu}m classifications of AGB stars
table4.dat        28       39   10{mu}m classifications of supergiant stars
table5.dat        32       59   Comparing classifications - AGB star features
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See also:
   II/125 : IRAS catalogue of Point Sources, Version 2.0 (IPAC 1986)

Byte-by-byte Description of file: table1.dat table2.dat
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   Bytes Format   Units     Label     Explanations
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   1-  2  I2      h         RAh       Right Ascension J2000 (hours) from SIMBAD
   4-  5  I2      min       RAm       Right Ascension J2000 (minutes)
   7- 10  F4.1    s         RAs       Right Ascension J2000 (seconds)
      12  A1      ---       DE-       Declination J2000 (sign)
  13- 14  I2      deg       DEd       Declination J2000 (degrees)
  16- 17  I2      arcmin    DEm       Declination J2000 (minutes)
  19- 20  I2      arcsec    DEs       Declination J2000 (seconds)
  22- 32  A11     ---       Name      Source name (1)
  34- 43  A10     ---       IRAS      IRAS name
  45- 87  A43     ---       Names     Other names
  89- 92  A4      ---       Var       Variability type (2)
  94-102  A9      ---       SpType    Spectral type
 105-112  A8   "DD/MM/YY"   Obs       Observation date
 114-126  A13   ---         Cal       Calibrator
 129-135  F7.3 10-12W/m2/um S8um      8.0{mu}m flux
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Note (1): For T Cet and V Eri, it is unclear whether each star is a giant or a
           supergiant - see Sect. 2.2.
Note (2): Variability type: M = Mira; SR = semi-regular variable.
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Byte-by-byte Description of file: table3.dat table4.dat
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   Bytes Format Units   Label     Explanations
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   1- 11  A11   ---     Name      Object name
  13- 28  A16   ---     AGB       10{mu}m classification (1)
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Note (1): The dust features of the AGB stars are classified into six groups:
     broad AGB, where the feature extends from 8{mu}m to about 12.5{mu}m
       with little structure;
     broad+sil AGB, which consists of a broad feature with an
       emerging 9.7{mu}m silicate bump;
    and four silicate AGB groups in which a ``classic'' 9.7{mu}m
      silicate feature gets progressively narrower.
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Byte-by-byte Description of file: table5.dat
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   Bytes Format Units   Label     Explanations
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   1- 11  A11   ---     Name      Source name
  13- 14  A2    ---     Var       Variability type (1)
  16- 26  A11   ----    Class     Our class
  28- 31  A4    ---     SP95      Sloan & Price (1995ApJ...451..758S) class (2)
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Note (1): Variability type: M = Mira; SR = semi-regular variable.
Note (2): Sloan & Price Silicat Emission classification:
           from SE1 (broadest profile) to SE8 (narrowest profile)
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History:
    From A&AS electronic version
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(End)                         James Marcout, Patricia Bauer [CDS]    13-Nov-2000