Spiral?????????????? PowerPoint PPT Presentation

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Title: Spiral??????????????


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Spiral??????????????
  • ??????

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  • 1. ????

???????????(??) ?????????(??) ???????????(??)
??????????????????????????
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2. ????????
?????????????? ????????????? HST??????????????
???????( ??)
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???????
z1 ???????????????????????(???????)
SFR density
SFR?z 1???????
z
Bell 2004
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3. ??????????
???????? GOODS Version 2.0 HST ACS Imaging Data.
http//archive.stsci.edu/pub/hlsp/goods/v2/
????? IRAF, GALFIT.
??????? TEAM KECK TREASURY REDSHIFT SURVEY
IN THE
GOODS-N FIELD.
http//tkserver.keck.hawaii.edu/tksurvey/data_acce
ss/map/tks_map.php
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3.1 ??????????
  1. GOOD-N???????????????????????

2. ??????????????????
????????????(GALFIT)
3. ???????????????
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3.2 ??????
??????????????????
???? exponential profile. ??? de Vaucouleurs
profile.
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??????
????AB??????
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3.3 ???????????
GALFIT????????????
  1. ??????????
  2. PSF
  3. s????
  4. ??????? ?????????????????
  5. ????????????????

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B
V
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I
Z
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z 0.10556 200 pixel 11 kpc DA 380 kpc DL
470 kpc (i band)
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z 0.25368 200 pixel 22 kpc DA 780 kpc DL
1200 kpc (v band)
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z 0.84705 100 pixel 22 kpc DA 1500 kpc DL
5200 kpc (z band)
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3.4 ??????????
?????????
????????
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z 0.10556 B-V
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z 0.10556 V-I
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z 0.10556 I-Z
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z 0.27746 B-V
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z 0.27746 V-I
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z 0.27746 I-Z
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z 0.56026 B-V
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z 0.56026 V-I
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z 0.56026 I-Z
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GALAXEV???????????????
  • ??????????????????????????????????????????
  • ????GALAXEV????
  • ???AB?????????????HST/ACS F435W?F606W?F775W?F850l
    p???

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???????
  • ???????????????????????????
  • ?????????????????
  • ???????????????????????
  • ??????????

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??
  • ??????????????????????????
  • ???????????
  • ???(????)????????
  • Z???? ?????
  • age???????????

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?????????????(1)??????(IMF)
  • ??mmdm????????
  • 1 ????
  • ??????IMF????????

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?????????????(2)?????(SFR)
  • ????????????? ???????????????????
  • ???????????

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?????????????(3)????????
  • ????????????????(?????????)???????????????
  • ??????? ?????

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?????????
  • ?????H?????????????
  • tlt
  • tgt
  • 0.3?m0.7?MW????????

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?????????
  • ??????????????????????????
  • ??????????
  • ?????????????????????

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?????????????z???
  • ????????????????????????
  • ?????????????????????????????

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Z???????? ???
  • ?????????????????????
  • ????????? ????????????????????

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??
  • z2??5Gyr???????z10.5???
  • ??????????????? ????????????
  • z1??????????

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Fitting???
???
??????
???
?????????best fit?
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?? (1)
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?? (2) age
bulge???disk?????????
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?? (3) t
bulge???disk????????????bulge??????????????????
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?? (4) dust
dust?bulge?disk????????????
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?? (5) SFR
bulge??disk??????????
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???
z???
??????HST?B?????????z?????????????????????????
???
???solor-metallicity????????????metallicity??????
????
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??
???????????????1012M????????????????????????????
??????
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????
Abraham R.G., Ellis R.S., Fabian A.C., Tanvir
N.R. and Glazebrook K., 1999, MNRAS, 303,
p.641-658 Bruzual A., G., Charlot, S., 2003,
MNRAS, in press Charlot, S., Fall, S. M., 2000,
ApJ, 539, 718 Fukugita, M., Ichikawa, T., Gunn,
J. E., Doi, M., Shimasaku, K., Schneider, D.P.
1996, AJ, 111,1748 Schneider P., 2006,
Extragalactic Astronomy and Cosmology, Springer
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