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J/ApJ/727/53          Red supergiant stars in the LMC. I.          (Yang+, 2011)
Red supergiant stars in the Large Magellanic Cloud.
I. The period-luminosity relation.
    Yang M., Jiang B.W.
   <Astrophys. J., 727, 53 (2011)>
   =2011ApJ...727...53Y
ADC_Keywords: Magellanic Clouds ; Stars, late-type ; Stars, supergiant ;
              Stars, variable ; Photometry, infrared
Keywords: stars: late-type - stars: oscillations - supergiants


Abstract:
    From previous samples of red supergiants (RSGs) by various groups, 191
    objects are assembled to compose a large sample of RSG candidates in
    LMC. For 189 of them, the identity as an RSG is verified by their
    brightness and color indexes in several near- and mid-infrared bands
    related to the Two Micron All Sky Survey (2MASS) JHKs bands and the
    Spitzer/IRAC and Spitzer/MIPS bands. From the visual time-series
    photometric observations by the ASAS and MACHO projects which cover
    nearly 8-10 years, the period and amplitude of light variation are
    analyzed carefully using both the phase dispersion minimization and
    Period04 (Lenz, 2004CoAst.144...41L) methods.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1.dat        84      191   Infrared brightness of the 191 RSG candidates
table4.dat        13       51   Period and Amplitude of the 51 long secondary
                             period (LSP) red supergiants (RSG).


See also:
 II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
 II/236 : UBVR CCD survey of the Magellanic clouds (Massey+, 2002)
 II/264 : ASAS Variable Stars in Southern hemisphere (Pojmanski+, 2002-2005)
 II/247 : Variable Stars in the Large Magellanic Clouds (MACHO, 2001)
 J/A+A/530/A90   : Post-AGB population of LMC (van Aarle+, 2011)
 J/AJ/140/14     : Variability of luminous stars in LMC (Szczygiel+, 2010)
 J/AJ/138/1003   : IR photometry of massive LMC stars (Bonanos+, 2009)
 J/AJ/137/4810   : LMC-SAGE AGB star candidates (Srinivasan+, 2009)
 J/ApJ/707/89    : Variation of mid-IR extinction (Gao+, 2009)
 J/AJ/136/1242   : LMC long-period variables from MACHO (Fraser+, 2008)
 J/AJ/135/836    : Calcium triplet index in LMC stars (Carrera+, 2008)
 J/AJ/136/1221   : Most luminous LMC sources at 8µm (Kastner+, 2008)
 J/ApJ/660/1486  : Variability of LMC semiregular variables (Soszynski+, 2007)
 J/A+A/425/595   : OGLE+2MASS+DENIS LPV in Magellanic Clouds (Groenewegen, 2004)
 J/AJ/126/2867   : Red supergiants in Magellanic Clouds (Massey+, 2003)
 J/A+A/357/225   : Mass loss of M supergiants (Josselin+, 2000)
 J/MNRAS/289/729 : BVRIJHK photometry of red LMC supergiants (Oestreicher+ 1997)
 J/ApJ/348/98    : LMC AGB stars IRAS fluxes (Reid+ 1990)
 J/AJ/99/784     : IR photometry of LMC long-period variables (Hughes+ 1990)


Byte-by-byte Description of file: table1.dat

   Bytes Format Units   Label   Explanations

   1-  3  I3    ---     ID      [1/191] Identification number
   5- 13  F9.6  deg     RAdeg   Right ascension in decimal degrees (J2000)
  15- 24  F10.6 deg     DEdeg   Declination in decimal degrees (J2000)
  26- 31  F6.3  mag     Jmag    ? 2MASS J-band magnitude
  33- 38  F6.3  mag     Hmag    ? 2MASS H-band magnitude
  40- 45  F6.3  mag     Ksmag   ? 2MASS Ks-band magnitude
  47- 52  F6.3  mag     [3.6]   ? Spitzer/IRAC 3.6µm band magnitude
  54- 59  F6.3  mag     [4.5]   ? Spitzer/IRAC 4.5µm band magnitude
  61- 66  F6.3  mag     [5.8]   ? Spitzer/IRAC 5.8µm band magnitude
  68- 72  F5.3  mag     [8.0]   ?=- Spitzer/IRAC 8.0µm band magnitude
  74- 78  F5.3  mag     [24]    ?=- Spitzer/MIPS 24µm band magnitude
  80- 82  A3    ---     Data    [AM, ] Photometry data resource: A=ASAS, M=MACHO
      84  A1    ---     Ref     Reference (1)

Note (1): References as follows:
   F = Feast et al. (1980MNRAS.193..377F),
   P = Pierce et al. (2000MNRAS.313..271P),
   M = Massey & Olsen (2003, Cat. J/AJ/126/2867),
   K = Kastner et al. (2008, Cat. J/AJ/136/1221)


Byte-by-byte Description of file: table4.dat

   Bytes Format Units   Label     Explanations

   1-  3  I3    ---     ID        Identification number
   5-  8  I4    d       Per       Period
  10- 13  F4.2  mag     Amp       Amplitude


History:
    From electronic version of the journal
(End)                                     Emmanuelle Perret [CDS]    23-Aug-2012