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J/ApJ/562/254       Velocities in A1750, A3395 and A3528       (Donnelly+, 2001)
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Merging binary clusters.
    Donnelly R.H., Forman W., Jones C., Quintana H., Ramirez A., Churazov E.,
    Gilfanov M.
   <Astrophys. J. 562, 254 (2001)>
   =2001ApJ...562..254D
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ADC_Keywords: Clusters, galaxy ; X-ray sources ; Radial velocities
Keywords: galaxies: clusters: individual (A1750, A3395, A3528, SC 0627-54) -
          intergalactic medium - X-rays: galaxies: clusters

Abstract:
    We study three prominent bimodal X-ray clusters: A3528, A1750, and
    A3395. Using observations taken with ROSAT and ASCA, we analyze the
    temperature and surface brightness distributions. We also analyze the
    velocity distributions of the three clusters using new measurements
    supplemented with previously published data. We examine both the
    overall cluster properties, as well as the two subcluster elements in
    each. These results are then applied to the determination of the
    overall cluster masses; they demonstrate excellent consistency between
    the various methods used. While the characteristic parameters of the
    subclusters are typical of isolated objects, our temperature results
    for the regions between the two subclusters clearly confirm the
    presence of merger activity. These three clusters represent a
    progression of equal-sized subcluster mergers, starting from initial
    contact to immediately before first core passage.

File Summary:
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 FileName      Lrecl  Records   Explanations
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ReadMe            80        .   This file
table3.dat        37       72   A3528 Velocities
table4.dat        40       68   A1750 Velocities
table5.dat        41      157   A3395 Velocities
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See also:
    J/A+AS/129/399 : The ENACS Catalogue. V. (Katgert+ 1998)
    J/AJ/110/463   : Kinematics of the Shapley supercluster (Quintana+ 1995)

Byte-by-byte Description of file: table3.dat, table4.dat, table5.dat
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   Bytes Format Units   Label    Explanations
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   1-  2  I2    h       RAh      Right ascension (J2000.0) (1)
   4-  5  I2    min     RAm      Right ascension (J2000.0)
   7- 10  F4.1  s       RAs      Right ascension (J2000.0)
      12  A1    ---     DE-      Declination sign (J2000.0)
  13- 14  I2    deg     DEd      Declination (J2000.0)
  16- 17  I2    arcmin  DEm      Declination (J2000.0)
  19- 20  I2    arcsec  DEs      Declination (J2000.0)
  22- 26  I5    km/s    RV       Radial velocity
  28- 30  I3    km/s  e_RV       rms uncertainty on RV
  32- 41  A10   ---   r_RV       References for RV, separated by comma (2)
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Note (1): Galaxies identified in Simbad as [DFJ2001] JHHMMSS.s+DDMMSS
Note (2): Velocity references:
      1: Teague et al., 1990ApJS...72..715T with 82km/s offset, 
         TCG ACO 3395 NNN in Simbad
      2: LCO-SHECTOGRAPH
      3: Hopp & Materne, 1985A&A...148..359H, [HM85] NN in Simbad
      4: CTIO-ARGUS with 50km/s offset
      5: Materne et al., 1982A&A...109..238M, MCTH82 0626.7-5426 NN in Simbad
      6: West & Frandsen, 1981A&AS...44..329W, [WF81] HHMM+DDd N in Simbad
      7: Vidal, 1975PASP...87..625V, [V75] 3U 0624-55 A in Simbad
      8: Quintana et al., 2000AJ....120..511Q, [QRM] A3528 NNNN in Simbad
      9: Katgert et al., 1998, Cat. <J/A+AS/129/399>, ENACS
         ENACS ACO 3528 NNN in Simbad
     10: Quintana et al., 1995, Cat. <J/AJ/110/463>, [QRM] A3528 NNNN in Simbad
     11: Beers et al., 1991AJ....102.1581B, [BFH91] HHMM+DDMMA in Simbad
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History:
    From electronic version of the journal
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(End)                         James Marcout, Patricia Bauer [CDS]    22-Jan-2002