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J/A+AS/128/545      NGC 4736 HII regions fluxes (Rodrigues+ 1998)
Physical properties of the ionized gas and brightness distribution in NGC 4736
       Rodrigues I., Dottori  H., Cepa J., Vilchez J.
      <Astron. Astrophys. Suppl. Ser. 128, 545 (1998)>
      =1998A&AS..128..545R      (SIMBAD/NED BibCode)
ADC_Keywords: H II regions ; Spectroscopy

Keywords: galaxies: individual: NGC 4736 - galaxies: abundances -
          galaxies: ISM - galaxies: spiral - galaxies: structure -

Description:
    Table 3 gives a catalog of HII region positions, diameters and
    absolute emission line logarithmic fluxes for NGC 4736.
    Table 4 gives a catalog of continua logarithmic fluxes adjacent to
    [OII], Hβ, [OIII], Hα, [SII] and [SIII] emission lines of
    NGC 4736 HII regions.
Objects:
    ----------------------------------------------------------
       RA   (2000)   DE    Designation(s)
    ----------------------------------------------------------
     12 50.9      +41 07   NGC 4736  = M 94
    ----------------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table3.dat        87       90   HII region positions, diameters and absolute
                                  emission line logarithmic fluxes (see text).
table4.dat        46       90   Continua logarithmic fluxes of NGC 4736
                                  HII regions


See also:
   VII/20 : Catalogue of HII Regions (Sharpless 1959)


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

   Bytes Format Units   Label       Explanations

   1-  2  I2    ---     Reg         HII Region identification number
   4-  5  I2    ---     HKNGC4736   ? Hodge & Kennicut's (1983AJ.....88..296H)
                                       identification number (HK NGC 4736 NN)
   7- 12  F6.2  arcsec  Xpos        E-W distance from the NGC 4736 nucleus
  14- 19  F6.2  arcsec  Ypos        N-S distance from the NGC 4736 nucleus
  21- 24  F4.2  arcsec  D100        ? HII region halo diameter
  26- 31  F6.2  mW/m2   F[OII]      ? [OII]3727+3729 flux
  33- 38  F6.2  mW/m2   FHbeta      ? Hβ flux
  40- 45  F6.2  mW/m2   F[OIII]     ? [OIII]5007 flux
  47- 52  F6.2  mW/m2   FHalpha     ? H{alpha flux
  54- 59  F6.2  mW/m2   F[SII]      ? [SII]6716+6730 flux
  61- 66  F6.2  mW/m2   F[SIII]     ? [SIII]9070 flux
  68- 71  F4.2  mag     C(Hbeta)    ? Hβ internal extinction
  73- 79  F7.2  0.1nm   WHalpha     Hα equivalent width
  81- 84  F4.1  10-7W   LHbeta      ? Hβ luminosity
  86- 87  A2    ---     Notes       [a b] See Note (1)

Note (1): a: Neither underlying Balmer absorption nor internal reddening
              corrections were applied.
          b: Halo diameter not resolved


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

   Bytes Format Units       Label     Explanations

   1-  2  I2    ---         Reg       HII Region identification number
   4-  9  F6.2  10-2W/m2/nm [OII]-C   Emission line [OII]-continuum intensity
  11- 16  F6.2  10-2W/m2/nm Hbeta-C   Emission line Hβ-continuum intensity
  18- 23  F6.2  10-2W/m2/nm [OIII]-C  Emission line [OIII]-continuum intensity
  25- 30  F6.2  10-2W/m2/nm Halpha-C  Emission line Hα-continuum intensity
  32- 37  F6.2  10-2W/m2/nm [SII]-C   Emission line [SII]-continuum intensity
  39- 44  F6.2  10-2W/m2/nm [SIII]-C  Emission line [SIII]-continuum intensity
      46  A1    ---         Notes     [a] See Note (1)

Note (1): a: Neither underlying Balmer absorption nor internal reddening
              corrections were applied.


Acknowledgements: I. Rodrigues 

(End)                                         Patricia Bauer [CDS]   04-Sep-1997