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Last-modified: 2021-11-26 () 15:32:17 (4d)
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Overview

MALLS_overview.jpg
  • ᡼Υ 900
  • 󥺾Υ 341
˾    2.0m F/12 ʥߥ
å0.8", 1.2",  1.6",  5.0",  8.0"ʻԲġ
åĹ5.0'
åΥץ0.34" /pix
Order Cut filterWG320, GG495, GG475, BG40
Grating(Low1)150 l/mm (5000Å), R~600(550nm, 1.2")
Grating(Low2)300 l/mm (2500Å), R~1200(550nm, 1.2")ʻԲġ
Grating(Medium)1800 l/mm (400Å), R~7500(550nm, 1.2")
CCDFLI 230-BI (2048x2048, readouts 30s)
Slit viewer CCD   SBIG ST-10 (7 x 5ʬ)
Auto-guiderоåϳνſ֤ˤ륬

٤˻ƤǤĹϰ

졼ƥĹϰʬǽ(slit=0.8")ʬǽ(slit=1.2")
1800 l/mm400AR~9000R~7500
300 l/mm2400AR~1400R~1200
150 l/mm5000AR~700R~600

³ (1200ʬ,S/N=10)

졼ƥʬǽ³(slit=0.8")
1800 l/mmR~9000V~ 13
300 l/mmR~1400V~14.5

¬֤S/Nη׻

롼ץåȡThroughput

  • 졼ƥ150 l/mm, 300 l/mm, 1800 l/mm 줾Υ롼ץåȡ¬͡
    • ˾CCDޤ᤿ǡθΨ
    • 2014ǯ106Υǡ
      throughput201410.jpg

Ĺʬǽ(Resolution)

  • ʬ(low dispersion)

resolutionlow.png

  • ʬ(medium dispersion)

resolutionmed.png

g1800_s08_R.jpg

  • 6500AĹǤϥץ󥰤2pixʲ
  • CCDüǤĹʬǽä֤¦

g1800_s08_R_4000A.jpg

CCD

  • FLI ProLine PL 230 (type: Back Illuminated)
    • Sensor : E2V CCD230-42
    • Format : 2048x2048
    • Pixcel size : 15.0 micron
    • Chip size : 42.3mm
    • Cooler power : -63 deg. Below Ambient
    • CCD window AR coating : filesuper-wide-ar-coat.txt
    • Linearity : 5000ADU - 35000ADU 0.25%
    • Gain : 2.20e/ADU
    • Readout noise : 12.3e
    • Readout time : 30s

CCDǽɾ

Slits

  • slit length 5.0'
  • slit widths
    • 0.8"
    • 1.2"
    • 1.6"
    • 5.0"
    • 8.0"

Slit Viewer

  • CCD : SBIG ST-10XME + Filter Turret
  • ԥ륵 6.8um x 6.8um
  • եޥå 2048 x 1472
  • 13.9 x 10mm (7 x 5ʬ)
  • ԥ륹롡0.2/ԥ
  • ̾Ψ0.28
  • 絤ʬˤä֤Υڸ뤿ˡ¬ե륿뤳ȤǤ롣
  • ơ濴ʥåȾˡX=364.5, Y=250.0
  • Filters 
    • B, V, Rc, Clear, Null
  • images

References

߷׻

http://www.nhao.jp/~ozaki/study/spec/nhao_spec.html

fits header (20211116)

fileheader20211116.txt

fileheader20150206.txt


ڡȥåפ

MALLSȥåץڡ