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

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Spiral??????????????

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


1
Spiral??????????????
  • ??????

2
  • 1. ????

???????????(??) ?????????(??) ???????????(??)
??????????????????????????
3
2. ????????
?????????????? ????????????? HST??????????????
???????( ??)
4
???????
z1 ???????????????????????(???????)
SFR density
SFR?z 1???????
z
Bell 2004
5
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
6
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7
3.1 ??????????
  1. GOOD-N???????????????????????

2. ??????????????????
????????????(GALFIT)
3. ???????????????
8
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3.2 ??????
??????????????????
???? exponential profile. ??? de Vaucouleurs
profile.
11
??????
????AB??????
12
3.3 ???????????
GALFIT????????????
  1. ??????????
  2. PSF
  3. s????
  4. ??????? ?????????????????
  5. ????????????????

13
B
V
14
I
Z
15
z 0.10556 200 pixel 11 kpc DA 380 kpc DL
470 kpc (i band)
16
z 0.25368 200 pixel 22 kpc DA 780 kpc DL
1200 kpc (v band)
17
z 0.84705 100 pixel 22 kpc DA 1500 kpc DL
5200 kpc (z band)
18
3.4 ??????????
?????????
????????
19
z 0.10556 B-V
20
z 0.10556 V-I
21
z 0.10556 I-Z
22
z 0.27746 B-V
23
z 0.27746 V-I
24
z 0.27746 I-Z
25
z 0.56026 B-V
26
z 0.56026 V-I
27
z 0.56026 I-Z
28
GALAXEV???????????????
  • ??????????????????????????????????????????
  • ????GALAXEV????
  • ???AB?????????????HST/ACS F435W?F606W?F775W?F850l
    p???

29
???????
  • ???????????????????????????
  • ?????????????????
  • ???????????????????????
  • ??????????

30
??
  • ??????????????????????????
  • ???????????
  • ???(????)????????
  • Z???? ?????
  • age???????????

31
?????????????(1)??????(IMF)
  • ??mmdm????????
  • 1 ????
  • ??????IMF????????

32
?????????????(2)?????(SFR)
  • ????????????? ???????????????????
  • ???????????

33
?????????????(3)????????
  • ????????????????(?????????)???????????????
  • ??????? ?????

34
?????????
  • ?????H?????????????
  • tlt
  • tgt
  • 0.3?m0.7?MW????????

35
?????????
  • ??????????????????????????
  • ??????????
  • ?????????????????????

36
?????????????z???
  • ????????????????????????
  • ?????????????????????????????

37
Z???????? ???
  • ?????????????????????
  • ????????? ????????????????????

38
??
  • z2??5Gyr???????z10.5???
  • ??????????????? ????????????
  • z1??????????

39
Fitting???
???
??????
???
?????????best fit?
40
?? (1)
41
?? (2) age
bulge???disk?????????
42
?? (3) t
bulge???disk????????????bulge??????????????????
43
?? (4) dust
dust?bulge?disk????????????
44
?? (5) SFR
bulge??disk??????????
45
???
z???
??????HST?B?????????z?????????????????????????
???
???solor-metallicity????????????metallicity??????
????
46
??
???????????????1012M????????????????????????????
??????
47
????
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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