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| Query : 2006BaltA..15....5R |
2006BaltA..15....5R - Baltic Astronomy, 15, 5-12 (2006/February-0)
The look-back time evolution of the UV upturn phenomenon.
REE C.H., LEE Y.-W., SOHN Y.-J., YI S.K., YOON S.-J. (The GALEX Science Team)
Abstract (from CDS):
In order to investigate the origin of the far-UV (FUV) flux from early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich clusters at moderate redshifts (z < 0.25) where the dominant FUV source is predicted to be hot horizontal-branch (HB) stars and their post-HB progeny. The early results show that the FUV flux of quiescent early-type galaxies does evolve substantially during the last 1-2 Gyr of look-back time, and the observed UV fading is consistent with the variation predicted by the population synthesis models where the mean temperature of HB stars declines rapidly with increasing look-back time.
Abstract Copyright: ∼
Journal keyword(s): galaxies: elliptical - galaxies: evolution - galaxies: stellar content - ultraviolet: galaxies
Simbad objects: 13
| Number of rows : 13 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ClG 0016+16 | ClG | 00 18 33.3 | +16 26 36 | ~ | 517 | 0 | |||||
| 2 | ACO 370 | ClG | 02 39 50.5 | -01 35 08 | ~ | 825 | 0 | |||||
| 3 | NGC 1379 | GiP | 03 36 03.9668625792 | -35 26 28.547476800 | 12.17 | 12.04 | 10.91 | 10.60 | ~ | 277 | 1 | |
| 4 | NGC 1381 | GiP | 03 36 31.6592184144 | -35 17 42.739221912 | 12.90 | 12.47 | 11.50 | 11.02 | ~ | 269 | 1 | |
| 5 | NGC 1387 | Sy2 | 03 36 57.0337458600 | -35 30 23.675934060 | 12.18 | 11.75 | 10.69 | 10.16 | ~ | 290 | 1 | |
| 6 | NGC 1382 | GiP | 03 37 08.9722655064 | -35 11 41.995386996 | 13.19 | 13.79 | 12.92 | 12.31 | ~ | 135 | 1 | |
| 7 | NGC 1389 | EmG | 03 37 11.7427350576 | -35 44 45.873195000 | 12.80 | 12.39 | 11.50 | 10.99 | ~ | 208 | 1 | |
| 8 | NGC 1399 | rG | 03 38 29.083 | -35 27 02.67 | 11.05 | 9.74 | 9.59 | 8.12 | ~ | 1636 | 1 | |
| 9 | ACO S 373 | ClG | 03 38 29.4 | -35 27 08 | ~ | 2029 | 0 | |||||
| 10 | NGC 1404 | rG | 03 38 51.917 | -35 35 39.81 | 11.53 | 10.69 | 10.00 | 9.03 | ~ | 787 | 1 | |
| 11 | ACO 951 | ClG | 10 14 01.6 | +34 42 18 | ~ | 23 | 0 | |||||
| 12 | ZwCl 1358+6245 | ClG | 13 59 54.3 | +62 30 36 | 18.5 | ~ | 370 | 0 | ||||
| 13 | ACO 2670 | ClG | 23 54 10.51 | -10 23 06.8 | ~ | 364 | 0 |
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