,00-4*'64UVEZPGUIF1MBOFUBSZ/FCVMB 1/ *$‫౎ژ‬େֶେֶӃཧֶ‫ڀݚ‬ՊԬࢁఱจ୆େṂխত
4FFJOHMJNJUFE,00-4*'6FNJTTJPOMJOFDPOUPVSTPOUIF)45'.JNBHF&YUJODUJPONBQ"JNTPGUIJTTUVEZ 鲤鲱෼ࢠ鲸鲱鳀෺ཧྔۭؒ෼෍ɺத৺੕鱳ಛ௃w ࢵ֎Մࢹ‫؍‬ଌத৺੕鱭ి཭ྖҬw Մࢹ੺֎鲭鳎鳗鳢‫؍‬ଌޫղ཭ྖҬ ੕Ӣ֪鱳‫ܗ‬ঢ়鲗ܾఆ鱞鲐߃੕෩鱳ӡಈֶతಛੑ෺࣭෼෍w 鳚鱅鳙鳫鲷鳘鳖鲻鳏ɺ鲤鲱ɾ鲸鲱鳀ۭؒ෼෍ ߃੕෩࣭ྔ์ग़がपล੕ؒ෺࣭鱰༩鱍鲐Խֶత࡞༻w 鲚鳈鳫鲸鳫鲱鳖鲻鳏ɺ鲸鲱鳀鲤鲱࣭ྔൺ鳖鲻鳏
,00-4鱬਍鲐鱳ి཭ɾதੑ‫ࢠݪ‬鲤鲱鳓鲻鳀鲸鲱鳀鱳෺ཧঢ়ଶۭؒ෼෍࿭੕ঢ়੕Ӣ鱳ߏ଄,00-4*'60CTFSWBUJPOTUPXBSET*$1PT)458'1$'.

OPOCMVSSFEJNBHFT鲗ಘ鱤鱉ɻ

,00-4*'6</**>̃
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OPOCMVSSFEJNBHFT鲗ಘ鱤鱉ɻ

"DIJFWFE'8).
BGUFSEFDPOWPMVUJPOz.PGGBU ૾ྼԽؔ਺鱬ඪ४੕鳏鳥鳍鲙鲜鳣鳍鲛鲻鳀ɻ*$鱭鱳BJSNBTTࠩ鱴ɻ

FWHM0rI(r) =[1 + ( ) ]−γ(airmass)
α2

FWHM01−0.5
βα=⋅2−1[]−γ(airmass)ЌЍʢ‫؍‬ଌ஋ʣ

(BVTTJBO'8).鱑鲯鱅鲜鳫鲨dz鱰ࢸ鲐鲃鱬൓෮‫ࢉܭ‬ɻ̃

DVUPGG4/3QFSTQBYFM
DVUPGG-JOFqVYYFSHTDNQFSTQBYFM&NJTTJPOMJOFEJTUSJCVUJPOۭؒ෼෍鲗ߟྀ鱜鱫ిࢠԹ౓ 5Џ ີ౓ OЏ ਍அ鳡鲜鳫鳒鲚鲗બ鱻FY5Џ<0***>OЏ<$M***>鳒鲚鱴਍அྖҬ鱑ಉ鱝鱯鱳鱬0,ɻ
5Џ<0***>OЏ<4**>鳒鲚鱴਍அྖҬ鱑શ鱔ҟ鱯鲐鱳鱬ҙຯ鲗鱯鱚鱯鱉ɻ

*NQPSUBODFPGFYUJODUJPODPSSFDUJPO࿭੕ঢ়੕Ӣ鱳ߏ଄
SFEEFO<0***>z

FYUJODUJPONBQ%&SFEEFO<0***>鲀鲁*4.鱳஋w 5ЏOЏEFUFSNJOBUJPOTVTJOH&95*/$5*0/'3&&MJOFqVYFTw JPOJDFMFNFOUBMBCVOEBODFTVTJOH&95*/$5*0/'3&&MJOFqVYFT
w JOUFSOBMHBTLJOFNBUJDTVTJOH&95*/$5*0/'3&&WFMPDJUZDIBOOFMNBQT
w %QIPUPJPOJTBUJPONPEFMMJOHCBTFE&95*/$5*0/'3&&EBUB
鲯鳫鲨鳣FYUJODUJPOWBMVF鱳ద༻鱴zฏ‫ۉ‬త鱭鱜鱫zqVYDPSSFDUJPO鱴鱬鱒鲐鱐鲇鱜鲑鱯鱉鱑ɺ-JOFqVYlEJTUSJCVUJPOz鱳DPSSFDUJPO鱴鱬鱒鱯鱉ɻ*OUFSTUFMMBSDJSDVNTUFMMBSFYUJODUJPONBQ鲗ಘ鲐鱘鱭鱑鲚鳂鳢鲱鱳ୈҰา

*OWFTUJHBUJPOJOUP&YUJODUJPO
Step1: INPUT
an initial c(Hβ) map

Step2: GETintersteller/circumstellar extinction
Free line maps
Step3: GET Tε & nε maps using[O III] n/a & [Cl III] n/n ratio maps***c(Hβ) =I(λ1)/I(λ2)
1log10f (λ1) − f (λ2)F(λ1)/F(λ2)

f (λ) : SFEEFOJOHGVODPG$$.FUBM I(λ) : FYUJODUJPOGSFFqVY F(λ) : FYUJODUJPOqVYc(Hβ) = 1.453E(B − V ), RV = 3.1

Step9: GET and UPDATEc(Hβ) maps by comparing theoretical H
I line ratio maps WITH the HeII
subtracted H I line ratios obtained at
Step8
Step8: GET
theoretical P- and B-series H I line ratio
maps rt. H I 4861 and 6562Å under
the obtained Tε & nε maps at Step3

Step4: CALCULATE
theoretical He II line ratio maps rt. HeII 5411Å under
the obtained Tε & nε maps

Step7: SUBTRACT
intersteller/circumstellar reddened
the SYNTHESISED He II maps at 4859,6560, 8746, 8859, 9225Å
from the H I line maps

Step5: SYNTHESIS
the extinction Free He II maps at 4859,6560, 8746, 8859, 9225Å using theextinction Free He II 5411ÅStep6: REDDEN
the extinction Free He II maps at 4859,6560, 8746, 8859, 9225Å using Step1c(Hβ)***H I line distribution is similar to the [O III] and [Cl III]

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l$JSDVNTUFMMBSz(BTUP%VTUNBTTSBUJP (BT 
BOE%VTUNBTTNBQTHFOFSBUFEGSPN
,00-4*'6POMZ

0UTVLB TVCNJUWFSZTPPO

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BOBMZTFTBOEUIFUIFPSFUJDBMNPEFM

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