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| Query : 2004A&A...427L..17P |
2004A&A...427L..17P - Astronomy and Astrophysics, volume 427, L17-20 (2004/12-1)
Truncation of stellar disks in galaxies at z ≃ 1.
PEREZ I.
Abstract (from CDS):
We report here the first evidence for stellar disk truncation at high redshift, based on surface photometry of a sample of 16 high redshift (0.6<z<1.0) disk galaxies from the GOODS HST/ACS data. The radial profiles are best fit by a double exponential profile. This result agrees with the profile of disks in local galaxies. The cosmological surface brightness dimming at this redshift range only allows us to detect galaxies with spatially ``early'' truncation, Rbr/hin≃3.5. Six galaxies show the radial double exponential structure, with an average value of Rbr/hin≃1.8. Such ``early'' truncated galaxies are missing in local samples so far. This result opens the ground for observing directly disk evolution through the study of the truncation radius as a function of redshift.
Abstract Copyright: ∼
Journal keyword(s): galaxies: spiral - galaxies: evolution - galaxies: high-redshift - galaxies: structure
Nomenclature: Fig.1, Table 1: [P2004b] JHHMMSS+DDMMSS N=6.
Simbad objects: 8
| Number of rows : 8 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NAME GOODS Southern Field | reg | 03 32 28.0 | -27 48 30 | ~ | 1340 | 1 | |||||
| 2 | COMBO J0332333-274410 | G | 03 32 33.342 | -27 44 10.10 | 25.7382 | 24.570 | 24.6161 | ~ | 6 | 0 | ||
| 3 | COMBO J0332515-275044 | G | 03 32 51.58099 | -27 50 44.6694 | 23.983 | 25.0634 | 23.9391 | 23.0368 | ~ | 21 | 0 | |
| 4 | [P2004b] J123610+621334 | G | 12 36 10 | +62 13.6 | ~ | 1 | 0 | |||||
| 5 | GOODS J123637.02+621159.9 | G | 12 36 37.0196 | +62 11 59.901 | 23.21 | 23.0373 | 24.03 | 21.56 | 21.5688 | ~ | 17 | 0 |
| 6 | NAME GOODS-N Field | reg | 12 36 55.0 | +62 14 15 | ~ | 1155 | 1 | |||||
| 7 | GOODS J123707.81+621253.8 | G | 12 37 07.8090 | +62 12 53.808 | 25.8 | 25.4015 | 25.03 | 24.37 | 24.4182 | ~ | 8 | 0 |
| 8 | GOODS J123709.25+622006.8 | G | 12 37 09.2470 | +62 20 06.841 | 24.35 | 23.9018 | 24.16 | 23.5 | 22.9209 | ~ | 12 | 0 |
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