Access to Astronomical Catalogues

J/MNRAS/357/1357   Large-scale clumpy structure in Lynx region   (Nakata+, 2005)
Discovery of a large-scale clumpy structure around the Lynx supercluster
at z∼1.27.
    Nakata F., Kodama T., Shimasaku K., Doi M., Furusawa H., Hamabe M.,
    Kimura M., Komiyama Y., Miyazaki S., Okamura S., Ouchi M., Sekiguchi M.,
    Ueda Y., Yagi M., Yasuda N.
   <Mon. Not. R. Astron. Soc., 357, 1357-1362 (2005)>
   =2005MNRAS.357.1357N
ADC_Keywords: Clusters, galaxy ; X-ray sources

Keywords: galaxies: clusters: individual: RXJ 0848.6+4453, RXJ 0848.9+4452 -
          galaxies: evolution - galaxies: formation -
          large-scale structure of Universe

Abstract:
    We report the discovery of a probable large-scale structure composed
    of many galaxy clumps around the known twin clusters at z=1.26 and
    1.27 in the Lynx region. Our analysis is based on deep, panoramic, and
    multicolour imaging, 26.4x24.1arcmin2 in VRi'z' bands with the
    Suprime-Cam on the 8.2-m Subaru telescope. This unique, deep and
    wide-field imaging data set allows us for the first time to map out
    the galaxy distribution in the highest-redshift supercluster known.

Description:
    The Lynx field was observed over 2000 November2001 March in the V, R,
    i' and z' bands with the Suprime-Cam. Only eight of the 10
    charge-coupled devices (CCDs) of the Suprime-Cam were ready at the
    time of these observations.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table2.dat        83        9   Properties of the clusters and the cluster/group 
                             candidates.


See also:
  J/AJ/123/2223 : SPICES II: CHANDRA observations of Lynx (Stern+, 2002)


Byte-by-byte Description of file: table2.dat

   Bytes Format Units    Label    Explanations

   1-  3  A3    ---    [NKS2005]  Cluster/group identification (clN or grN)
       4  A1    ---  f_[NKS2005]  [c] contamination flag (1)
   6-  7  I2    h        RAh      Right ascension (J2000.0)
   9- 10  I2    min      RAm      Right ascension (J2000.0)
  12- 15  F4.1  s        RAs      Right ascension (J2000.0)
      17  A1    ---      DE-      Declination sign (J2000.0)
  18- 19  I2    deg      DEd      Declination (J2000.0)
  21- 22  I2    arcmin   DEm      Declination (J2000.0)
  24- 27  F4.1  arcsec   DEs      Declination (J2000.0)
  29- 32  F4.1  Mpc-2    Sigma    Local surface density (2)
  34- 36  F3.1  Mpc-2    e_Sigma  rms uncertainty on Sigma
      37  A1    ---      n_Sigma  [)] Uncertainty flag on Sigma
  39- 42  F4.1  Mpc-2    SigmaR   Red local surface density (2)
  44- 46  F3.1  Mpc-2   e_SigmaR  rms uncertainty on Sigmared
      47  A1    ---     n_SigmaR  [)] Uncertainty flag on Sigmared
  49- 52  F4.1  ---      N0.5     Number of galaxies within a 0.5-Mpc radius
                                   from the cluster centre and within the
                                   magnitude range between m1 and m1+3
                                   measured in the R band at z∼0.5
  54- 56  F3.1  ---      e_N0.5   rms uncertainty on N0.5
      57  A1    ---      n_N0.5   [)] Uncertainty flag on N0.5
  59- 61  A3    ---      R        Richness class
      62  A1    ---      n_R      [)] Uncertainty flag on R
  64- 67  F4.1  aW/m2    FX       ?=- X-ray flux density in 0.5-2.0keV band (3)
  69- 71  F3.1  aW/m2    e_FX     ?=- rms uncertainty on FX
      72  A1    ---      n_FX     [bd] Note on FX (4)
      74  A1    ---      l_LX     Limit flag on LX (3σ upper limit)
  75- 78  F4.2  10+37W   LX       ?=- X-ray luminosity in 0.5-2.0keV band (3)
  80- 83  F4.2  10+37W   e_LX     ?=- rms uncertainty on LX

Note (1): The 'c' flag indicates that the tabulated numbers for gr1
    may be significantly affected by the contamination of the blue
    galaxies in the X≲4.5 (arcmin) region, and hence unreliable
Note (2): The local surface densities given in the table indicate
    those after the remaining field contaminations have been subtracted
    (see Section 3 for detail). In the table, H0=69km/s/Mpc,
    Ω0=0.3 and Λ_0-=0.7 are assumed.
Note (3): r=35-arcsec aperture; flux in 10-15erg/cm2/s,
          luminosity in 10+44erg/s
Note (4): Notes on FX as follows:
      b = Quoted from Stanford et al. (2001ApJ...552..504S)
      d = The flux (corrected for the Galactic absorption) and luminosity 
          are given in the rest-frame 0.5-2keV band. They are converted 
          from the 0.5-2keV count rate in the observed frame by assuming 
          an optically thin thermal plasma model at z=1.27 with a 
          temperature of 6keV and elemental abundances of 0.3 solar.


History:
    From electronic version of the journal
(End)                                      Patricia Vannier [CDS]    10-Feb-2006