robert hurt trying to make sense of high resolution infrared...
TRANSCRIPT
Try
ing t
o m
ake s
ense o
f hig
h
resolu
tion infr
are
d s
pectr
a o
f cool sta
rsH
ug
h J
ones
Un
ive
rsity o
f H
ert
ford
sh
ire
co
llab
ora
tors
in
clu
din
g
Yakiv
Pavle
nko,
Sere
na V
iti, F
rance A
llard
, E
duard
o M
art
in
Ro
bert
Hu
rt
M t
o T
dw
arf
sM
to
T d
warf
s Op
pen
heim
er
et
al.
(1998)
Lin
e lis
ts a
re c
rucia
l (f
or
sa
mplin
g)
Jones,
Pavle
nko,
Viti et
al. 2
002
Wa
ter
va
po
ur
lis
ts d
o a
gre
at
job
be
yo
nd
2
Wa
ter
va
po
ur
lis
ts d
o a
gre
at
job
be
yo
nd
2
mm
Jones,
Pavle
nko,
Viti et
al. 2
002
HC
N/H
NC
H
CN
/HN
C --
sta
rt t
o m
od
el
sta
rt t
o m
od
el
CC-- r
ich
sta
rs
rich
sta
rs
Harr
is,
Pa
vle
nko
, Jo
nes e
t al.
(2003)
6
Impro
vin
g fit to h
ot band
s w
ith
experim
enta
l energ
y levels
7
Pote
ntial to
measure
12
12C
/13
13C
CO
lis
t excelle
nt
CO
lis
t excelle
nt
Pa
vle
nko
& J
on
es (
2002)
CO
lis
t e
xc
elle
nt
CO
lis
t e
xc
elle
nt
--b
ut
need
to
be c
are
ful
bu
t n
eed
to
be c
are
ful
Pa
vle
nko
& J
on
es (
2002)
CC12
12O
/CO
/C13
13O
dete
rmin
ati
on
O d
ete
rmin
ati
on
Pa
vle
nko
& J
on
es (
2002)
Deri
ve lo
g g
, V
sin
i, [M
/H]
Deri
ve lo
g g
, V
sin
i, [M
/H]
Jo
nes,
Pa
vle
nko
, V
iti et
al.
2005
(2002)
Deri
ve r
eliab
le p
ara
mete
rs f
rom
D
eri
ve r
eliab
le p
ara
mete
rs f
rom
sim
ilar
pie
ces o
f h
igh
reso
luti
on
sim
ilar
pie
ces o
f h
igh
reso
luti
on
sp
ectr
asp
ectr
a Jo
nes,
Pa
vle
nko
, V
iti et
al.
2005
(2002)
Poor
fits
to a
tom
ic lin
es in I
R
Vit
i, J
on
es e
t al.
2002
Po
SS
O
Po
SS
O
(Ph
ysic
s o
f S
ub
(Ph
ysic
s o
f S
ub
-- Ste
llar
Ob
jects
)S
tellar
Ob
jects
)
inte
nd
to
qu
alify
fo
r in
ten
d t
o q
ualify
fo
r ‘‘ E
UE
U’’n
etw
ork
netw
ork
Un
ive
rsit
y C
olle
ge
Lo
nd
on
, U
niv
ers
ity o
f H
ert
ford
sh
ire
, Im
pe
rial C
olle
ge
, U
niv
ers
ity o
f B
urg
un
dy, C
en
tre d
e
Re
ch
erc
he
As
tro
no
miq
ue d
e L
yo
n, In
sti
tuto
de
Astr
ofi
sic
a
de
Ca
na
rie
s, L
un
d U
niv
ers
ity, N
ati
on
al In
sti
tute
of
Sta
nd
ard
s a
nd
Te
ch
no
log
y, N
ati
on
al S
ola
r O
bs
erv
ato
ry,
Ha
mb
urg
er
Ste
rnw
art
e, N
iels
Bo
hr
Ins
titu
te, U
niv
ers
ite
t va
n
Am
ste
rda
m, P
ozn
an
Un
ive
rsit
y o
f T
ech
no
log
y, In
sti
tut
D’A
str
op
hys
iqu
e d
e P
ari
s, M
ain
Astr
on
om
ica
l O
bs
erv
ato
ry
of
Ukra
ine, U
niv
ers
ity o
f C
alifo
rnia
Lo
s A
ng
ele
s, C
en
tre
fo
r A
str
op
hys
ics
1)
Ide
ntify
1.0
-2.5
m
fe
atu
res
Spectr
al atlases fro
m H
inkle
, W
alla
ce &
Liv
ingsto
n
Dark
um
bra
l sunspot (3
300K
)
Arc
utu
rus (
4000K
)
Synth
etic s
pectr
a fro
m A
llard
, H
auschild
t &
P
avle
nko
2000 a
nd 4
000 K
Pri
ori
tise
d lin
es b
ased
on
str
en
gth
in
su
nsp
ot u
mb
ral a
nd
syn
the
tic s
pe
ctr
a
fro
m 1
-2.5
mm
ww
w.a
str
o.liv
jm.a
c.u
k/~
hra
j/spectr
atlas
Lyubch
ik,
Jone
s,
Pavle
nko,
Viti et
al. 2
004
17
18
Me
tal-
fre
eO
xyg
en
-ric
hC
arb
on
-ric
h
HeH
+,
H3+,
LiH
, H
2,
H2 C
IA,
Mo
lecu
lar
lin
e
bro
ad
en
ing
H2,H
3+,H
2O
, T
iO, C
O, C
H,
OH
, V
O, M
gH
, F
eH
, C
aH
, C
aO
H, A
lH, C
rH, S
iH, T
iH,
AlO
, M
gO
, N
H3, C
H4,d
us
t (Z
rO2
, M
g2S
iO4, M
gS
iO3,
Al 2
O3, C
aT
iO3, T
i 2O
6,
Ti 4
O7, F
e,
Ni, C
u ...),
Na
I,
Fe
I, M
nI, S
cI, F
eI, N
iI, T
iI,
Mg
I, A
lI,
CrI
, K
I, S
iI, H
eI,
L
ine
bro
ad
en
ing
-a
lka
li &
mo
lecu
lar
H2, C
O, H
CN
, C
N, C
H, C
S,
CH
4, C
3,
C2H
2, Y
O,
ZrO
,A
lH,
du
st,
M
ole
cu
lar
lin
e
bro
ad
en
ing
Th
e s
ho
pp
ing
lis
t
‘.. pre
sum
ably
mole
cula
r fe
atu
res .. not nois
e .. consis
tent
changes b
etw
een o
bje
cts
of diffe
rent spectr
al ty
pes’
21
Jones,
Pavle
nko,
Viti et
al. 2
005
22
AM
ES
/UC
L w
ate
r lis
ts
23
Rela
tively
min
or
diffe
rences
24
PoS
SO
Pro
gre
ss
Ato
mic
•Measure
d -
Mn &
Ti
•Pro
mis
ing -
Al &
Cr
•Too h
ard
-N
a a
nd K
•Near
futu
re -
Sc, F
e, Y
, Lu
Mole
cula
r
•Com
pute
d -
H2O
, H
CN
/HN
C, H
3+
, T
iO, V
O,C
aH
•Near
futu
re -
NH
3
25
At le
ast M
n ‘fits
’
26
Wo
rse to
wa
rds lo
we
r
Te
mpe
ratu
res
27
Rota
tion e
mphasiz
es p
roble
ms
28
29
30
31
Identify
wate
r lin
es in s
unspots
32
33
Se
nsitiv
ity: W
ate
r L
ine
s v
s T
em
pe
ratu
re
Tem
pera
ture
/K
Rel Intensity (x 1E-
8)
Gra
die
nt
Rela
tive
Inte
nsity
Gra
die
nt
Sum
mary
An
aly
ses r
ely
ing
on
a c
ert
ain
mo
lecu
les a
nd
ato
ms a
re
pro
mis
ing
, e
.g.,
CO
, H
CN
/HN
C,
H2O
, M
n
Mu
lti-in
stitu
te e
ffo
rt u
nd
erw
ay
Inve
stm
ent in
ob
se
rva
tio
na
l to
ols
ha
s b
een
ma
de
bu
t im
po
rta
nt th
at w
e h
ave
ne
ce
ssa
ry to
ols
to
in
terp
ret
Outs
tandin
g issues
Ato
mic
da
ta a
re g
en
era
lly v
ery
po
or
-n
ecessa
ry to
m
easu
re (
or
em
piric
ally
de
rive a
str
op
hysic
al
oscill
ato
r str
en
gth
s)
Ma
ny m
ole
cu
lar
line lis
ts a
re in
com
ple
te
Unce
rta
in d
ust sp
ecie
s, g
rain
siz
es a
nd
co
mp
ositio
n
Te
mp
era
ture
sca
les d
erive
d fro
m d
iffe
ren
t m
eth
od
olo
gie
s d
o n
ot
ma
tch
Hig
h-q
ua
lity h
igh
-reso
lutio
n s
pe
ctr
a o
f b
en
ch
ma
rk
ob
jects
can
co
nstr
ain
ma
ny issu
es