J/MNRAS/366/1230 BI photometry of NGC 1407 and NGC 1400 GCs (Forbes+, 2006)
An imaging study of the globular cluster systems of NGC 1407 and 1400.
Forbes D.A., Sanchez-Blazquez P., Phan A.T.T., Brodie J.P., Strader J.,
Spitler L.
<Mon. Not. R. Astron. Soc., 366, 1230-1242 (2006)>
=2006MNRAS.366.1230F 2006MNRAS.366.1230F
ADC_Keywords: Clusters, globular ; Photometry, UBVRI
Keywords: galaxies: evolution - galaxies: general - galaxies: individual: M104 -
galaxies: star clusters
Abstract:
We present wide-field Keck telescope imaging of the globular cluster
(GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud.
This is complemented by Hubble Space Telescope (HST) images from the
Advanced Camera for Surveys of NGC 1407 and Wide Field and Planetary
Camera 2 images of NGC 1400.
Description:
ACS images of NGC 1407 were taken in the F435W and F814W filters
(proposal ID = 9427, PI = Harris)
WFPC2 images of NGC 1400 were taken in the F555W and F814W filters
(proposal ID = 5999, PI = Phillips).
A mosaic of eight B- and I-band images of NGC 1407 and the surrounding
area (including NGC 1400) were acquired using the Low Resolution
Imaging Spectrometer on the 10-m Keck I telescope on 2004 October 12
and 13. LRIS is equipped with a TEK 2048x2048 detector which is
mounted on the Cassegrain focus with a dual-beam imager so B and I
images can be obtained simultaneously.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
tablea1.dat 50 903 Globular clusters in HST/ACS field of NGC 1407
tablea2.dat 50 400 Globular cluster candidates in Keck field of NGC 1407
tablea3.dat 50 204 Globular clusters in HST/WFPC2 field of NGC 1400
tablea4.dat 50 74 Globular cluster candidates in Keck field of NGC 1400
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Byte-by-byte Description of file: tablea?.dat
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Bytes Format Units Label Explanations
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1- 5 A5 --- Name Globular cluster designation (1)
7- 13 F7.4 deg RAdeg Right ascension in decimal degrees (J2000)
15- 22 F8.4 deg DEdeg Declination in decimal degrees (J2000)
24- 29 F6.2 arcsec Rgc Galactocentric distance
31- 35 F5.2 mag Imag I magnitude
37- 40 F4.2 mag e_Imag rms uncertainty on Imag
42- 45 F4.2 mag B-I B-I colour index
47- 50 F4.2 mag e_B-I rms uncertainty on B-I
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Note (1): Globular cluster systems are identified in Simbad as
[FSP2006] NGC 1407 ANNN for table A1 (Globular clusters)
[FSP2006] NGC 1407 KN-NN for table A2 (Globular cluster candidates)
[FSP2006] NGC 1400 WNNN for table A3 (Globular clusters)
[FSP2006] NGC 1400 KN-NN for table A4 (Globular cluster candidates)
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 25-Sep-2006