J/other/RAA/12.1381 BATC photometry on A119 (Tian+, 2012)
Multicolor photometry of the nearby galaxy cluster A119.
Tian J.-T., Yuan Q.-R., Zhou X., Jiang Z.-J., Ma J., Wu J.-H., Wu Z.-Y.,
Fan Z., Zhang T.-M., Zou H.
<Res. Astron. Astrophys., 12, 1381-1401 (2012)>
=2012RAA....12.1381T 2012RAA....12.1381T
ADC_Keywords: Clusters, galaxy ; Galaxies, photometry ; Redshifts
Keywords: galaxies: clusters: individual (A119) -
galaxies: distances and redshifts - galaxies: evolution -
galaxies: kinematics and dynamics - methods: data analysis
Abstract:
This paper presents multicolor optical photometry of the nearby galaxy
cluster Abell 119 (z=0.0442) with the
Beijing-Arizona-Taiwan-Connecticut system of 15 intermediate bands.
Within the BATC field of view of 58'x58', there are 368 galaxies with
known spectroscopic redshifts, including 238 member galaxies (called
sample I). Based on the spectral energy distributions of 1376 galaxies
brighter than iBATC=19.5, the photometric redshift technique and the
color-magnitude relation of early-type galaxies are applied to select
faint member galaxies. As a result, 117 faint galaxies were selected
as new member galaxies. Combined with sample I, an enlarged sample
(called sample II) of 355 member galaxies is obtained. Spatial
distribution and localized velocity structure for two samples
demonstrate that A119 is a dynamically complex cluster with at least
three prominent substructures in the central region within 1Mpc. A
large velocity dispersion for the central clump indicates a merging
along the line of sight. No significant evidence for morphology or
luminosity segregations is found in either sample. With the PEGASE
evolutionary synthesis model, the environmental effect on the
properties of star formation is confirmed. Faint galaxies in the
low-density region tend to have longer time scales of star formation,
smaller mean stellar ages, and lower metallicities in their
interstellar medium, which is in agreement with the context of the
hierarchical cosmological scenario.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 37 15 Parameters of the BATC filters and the
observational statistics of A119
table2.dat 35 238 Catalog of 238 spectroscopically confirmed
member galaxies in A119
table4.dat 130 117 Catalog of 117 newly-selected candidates of
member galaxies in A119
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See also:
J/AJ/105/788 : Study of Abell 119 (Fabricant+ 1993)
J/A+AS/129/399 : The ENACS Catalogue. V. (Katgert+ 1998)
J/AJ/112/628 : BATC Color Survey of M67 (Fan+ 1996)
J/MNRAS/305/259 : EFAR galaxies redshifts + velocity dispersions (Wegner+ 1999)
J/AJ/122/1718 : Multicolor photometry in Abell 2634 (Yuan+, 2001)
J/AJ/126/2152 : Cluster And Infall Region Nearby Survey. I (Rines+, 2003)
J/AJ/128/1558 : NOAO Fundamental Plane Survey (Smith+, 2004)
J/PASP/118/1104 : M48 (NGC 2548) BATC photometry and membership (Wu+, 2006)
J/A+A/495/707 : WINGS spectroscopy of 48 galaxy clusters (Cava+, 2009)
J/other/RAA/10.1 : BATC photometry in A98 cluster (Zhang+, 2010)
J/AJ/141/99 : BATC and SDSS photometry of A2589 cluster (Liu+, 2011)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Num [1/15] Sequential number of filter
4 A1 --- Filt [a-p] Filter name
6- 9 I4 0.1nm lambda Filter effective wavelength
11- 13 I3 0.1nm FWHM Filter FHWM
15- 19 I5 s Texp Exposure time
21- 22 I2 --- Nimg Number of images
24- 27 F4.2 arcsec Seeing Seeing of combined images
29- 32 F4.1 mag comp Completeness magnitude
34- 37 I4 --- Nobj Number of objects detected
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Seq [1/238] Sequential number
5- 6 I2 h RAh Right ascension (J2000)
8- 9 I2 min RAm Right ascension (J2000)
11- 14 F4.1 s RAs Right ascension (J2000)
16 A1 --- DE- Declination sign (J2000)
17- 18 I2 deg DEd Declination (J2000)
20- 21 I2 arcmin DEm Declination (J2000)
23- 24 I2 arcsec DEs Declination (J2000)
26- 33 F8.6 --- z Redshift
35 I1 --- Ref Reference (1)
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Note (1): References as follows:
1 = Cava et al. (2009, Cat. J/A+A/495/707)
2 = Smith et al. (2004, Cat. J/AJ/128/1558)
3 = Wegner et al. (1999, Cat. J/MNRAS/305/259)
4 = Abazajian et al. (2003AJ....126.2081A 2003AJ....126.2081A)
5 = Dale et al. (1998AJ....115..418D 1998AJ....115..418D)
6 = Rines et al. (2003, Cat. J/AJ/126/2152)
7 = Kinman & Hintzen (1981PASP...93..405K 1981PASP...93..405K)
8 = Katgert et al. (1998, Cat J/A+AS/129/399)
9 = Fabricant et al. (1993, Cat. J/AJ/105/788)
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- Seq [1/117] Sequential number
5- 6 I2 h RAh Right ascension (J2000)
8- 9 I2 min RAm Right ascension (J2000)
11- 15 F5.2 s RAs Right ascension (J2000)
17 A1 --- DE- Declination sign (J2000)
18- 19 I2 deg DEd Declination (J2000)
21- 22 I2 arcmin DEm Declination (J2000)
24- 28 F5.2 arcsec DEs Declination (J2000)
30- 34 F5.3 --- zph Photometric redshift
36- 40 F5.3 --- f.deV [0/1] Fraction of the brightness contribution
by the de Vaucouleurs component
42- 46 F5.2 mag amag ?=99.00 BATC a magnitude (337.1nm)
48- 52 F5.2 mag bmag ?=99.00 BATC b magnitude (389.4nm)
54- 58 F5.2 mag cmag ?=99.00 BATC c magnitude (420.1nm)
60- 64 F5.2 mag dmag ?=99.00 BATC d magnitude (454.6nm)
66- 70 F5.2 mag emag ?=99.00 BATC e magnitude (487.2nm)
72- 76 F5.2 mag fmag ?=99.00 BATC f magnitude (524.7nm)
78- 82 F5.2 mag gmag ?=99.00 BATC g magnitude (578.4nm)
84- 88 F5.2 mag hmag ?=99.00 BATC h magnitude (607.3nm)
90- 94 F5.2 mag imag ?=99.00 BATC i magnitude (670.9nm)
96-100 F5.2 mag jmag ?=99.00 BATC j magnitude (701.0nm)
102-106 F5.2 mag kmag ?=99.00 BATC k magnitude (752.6nm)
108-112 F5.2 mag mmag ?=99.00 BATC m magnitude (802.4nm)
114-118 F5.2 mag nmag ?=99.00 BATC n magnitude (851.7nm)
120-124 F5.2 mag omag ?=99.00 BATC o magnitude (917.3nm)
126-130 F5.2 mag pmag ?=99.00 BATC p magnitude (972.3nm)
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 27-Dec-2012