J/MNRAS/420/37 NGC 4365 globular clusters (Blom+, 2012)
Wide-field imaging of NGC 4365's globular cluster system:
the third subpopulation revisited.
Blom C., Spitler L.R., Forbes D.A.
<Mon. Not. R. Astron. Soc., 420, 37-60 (2012)>
=2012MNRAS.420...37B 2012MNRAS.420...37B
ADC_Keywords: Clusters, globular; Photometry, SDSS ; Morphology
Keywords: galaxies: elliptical and lenticular, cD - galaxies: evolution -
galaxies: formation - galaxies: individual: NGC 4365 -
galaxies: photometry - galaxies: star clusters: general
Abstract:
Analysis of the globular cluster (GC) system of the giant elliptical
(E3) galaxy NGC 4365, from eight Hubble Space Telescope/Advanced
Camera for Surveys pointings and a wide-field Subaru/Suprime-Cam
image, is presented. Using magnitude, colour and size criteria, we
obtain a catalogue of GC candidates. We also measure the photometric
properties of the galaxy starlight, including a new measure of the
effective radius.
Description:
On 2008 April 1, we obtained 35x27 arcmin2 three-filter imaging of
NGC 4365 using Subaru/S-Cam. Conditions were good and the worst seeing
was ∼0.8", and exposure times were 5x130, 5x70 and 5x60s for the g',
r' and i' filters, respectively.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
catalog.dat 163 6553 GC candidates for NGC 4365 GC system from
Subaru/S-Cam and HST/ACS photometry
param.dat 132 42 NGC 4365 i' filter galaxy light fit parameters
from IRAF ELLIPSE for Subaru/S-Cam imaging
--------------------------------------------------------------------------------
See also:
J/A+A/443/413 : VIKs photometry of NGC 4365 globular clusters (Larsen+, 2005)
Byte-by-byte Description of file: catalog.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 7 A7 --- ACS ?=0 HST/ACS identification number
9- 17 F9.5 deg RAdeg ?=0 ACS right ascension (J2000)
19- 25 F7.5 deg DEdeg ?=0 ACS declination (J2000)
27- 31 F5.2 mag gmag ?=0 g magnitude
33- 36 F4.2 mag e_gmag ?=0 rms uncertainty on gmag
38- 42 F5.2 mag zmag ?=0 z magnitude
44- 47 F4.2 mag e_zmag ?=0 rms uncertainty on zmag
49- 53 F5.3 arcsec gsize ?=0 Size in g band
55- 58 F4.2 --- b/a ?=0 Ratio of minor to major axis
60- 64 I5 --- SCam ?=0 Subaru/S-Cam identification number
66- 74 F9.5 deg RA2deg ?=0 SCam right ascension (J2000)
76- 82 F7.5 deg DE2deg ?=0 SCam declination (J2000)
84- 88 F5.2 mag g'mag ?=0 g' magnitude
90- 93 F4.2 mag e_g'mag ?=0 rms uncertainty on g'mag
95- 99 F5.2 mag r'mag ?=0 r' magnitude
101-104 F4.2 mag e_r'mag ?=0 rms uncertainty on r'mag
106-110 F5.2 mag i'mag ?=0 i' magnitude
112-115 F4.2 mag e_i'mag ?=0 rms uncertainty on i'mag
117-123 E7.2 --- APb [0/1] ACS probability that the GC is blue
125-131 E7.2 --- APg [0/1] ACS probability that the GC is green
133-139 E7.2 --- APr [0/1] ACS probability that the GC is red
141-147 E7.2 --- SPb [0/1] S-Cam probability that the GC is blue
149-155 E7.2 --- SPg [0/1] S-Cam probability that the GC is green
157-163 E7.2 --- SPr [0/1] S-Cam probability that the GC is red
--------------------------------------------------------------------------------
Byte-by-byte Description of file: param.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 F4.2 arcsec rgeo Geometric radius
6- 10 F5.2 mag i'mag i' magnitude
12- 15 F4.2 mag e_i'mag rms uncertainty in i'mag
17- 20 F4.2 mag g'-i' g'-i' colour index
22- 25 F4.2 mag e_g'-i' rms uncertainty in g'-i'
27- 33 F7.5 --- Ell Ellipticity
35- 41 E7.2 --- e_Ell rms uncertainty on Ell
43- 47 F5.2 deg PA Position angle
49- 52 F4.2 deg e_PA rms uncertainty on PA
54- 62 E9.3 --- S3 Higher order Fourier term S3
64- 72 E9.3 --- e_S3 rms uncertainty on S3
74- 82 E9.3 --- S4 Higher order Fourier term S4
84- 92 E9.3 --- e_S4 rms uncertainty on S4
94-102 E9.3 --- C3 Higher order Fourier term C3
104-112 E9.3 --- e_C3 rms uncertainty on C3
114-122 E9.3 --- C4 Higher order Fourier term C4
124-132 E9.3 --- e_C4 rms uncertainty on C4
--------------------------------------------------------------------------------
History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 17-Jul-2012