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WFC3 Preliminary Workshop Summary Data
Filters in Boldface were in WFPC2
UVIS Filters
IR Filters
BROAD BAND FILTER CONSENSUS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
|
2000 |
2400 |
|
220 |
Dust feature at 2200 - can you go to 1900? |
|
2400 |
2900 |
|
265 |
Can serve as continuum for 2800 Mg II? |
|
2900 |
3400 |
|
315 |
Can serve as continuum for 2800 Mg II? |
Stromgren u |
3000 |
Balmer |
|
F336W |
|
Washington |
3400 |
4400 |
|
390 |
Very sensitive to [M/H] in cool stars. |
B |
4000 |
4800 |
|
438 |
As wide as possible while preserving tranformation to B. |
SDSS g |
|
|
1450 |
475 |
Sloane filter set. |
WFPC2 V |
|
|
|
F555W |
Build filter to reproduce F555W allowing for difference in CCDs or optimize transformation to V. |
Wide V |
4700 |
7000 |
2300 |
F606W |
|
SDSS r |
5400 |
7000 |
1600 |
625 |
Sloan filter set- check quality of transformation to KC R.
|
SDSS i |
7000 |
8600 |
1600 |
775 |
Sloan filter set. |
WFPC2 I |
|
|
|
F814W |
Wide I. |
SDSS z |
|
|
|
850 |
Sloan filter set. |
|
<2000 |
3650 |
|
300X |
|
|
3800 |
6000 |
|
475X |
|
|
6000LP |
|
|
F600LP |
|
|
~3500? |
|
|
F350LP |
LP filter with short cutoff as short as possible while retaining image quality (3500 Ang?) |
MEDIUM BAND FILTER CONSENSUS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
Stromgren v |
? |
|
147 |
F410M |
??? |
Stromgren b |
? |
|
172 |
F467M |
??? |
Stromgren y |
|
|
|
F547M |
Heavily used as continuum for many other filters EXCLUDE 5007, 5876 !!!! |
|
|
|
~200 |
F390M |
Continuum near Ca II absorption |
|
|
|
660 |
660 |
RAW's filters 10% wide |
|
|
|
700 |
710 |
" |
|
|
|
780 |
780 |
" |
|
|
|
850 |
850 |
" |
SPECIALTY FILTERS (all placeholders so far)
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
UV prism |
2000 |
3000? |
|
Prism |
R ~100 |
Focal plane compensator for simultaneous work. |
|
|
|
|
|
NARROW BAND CONCENSUS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
[O II] |
3727 |
|
|
F375N |
A |
[He II] |
4686 |
|
|
F469N |
A |
H beta |
4861 |
|
|
F487N |
A |
[O III] |
5007 |
|
|
F502N |
A |
He I/Na |
5876 |
|
|
F588N |
A |
[O I] |
6300 |
|
|
F631N |
A |
H alpha |
6563 |
|
|
F656N |
A H alpha only - narrower than WFPC2 |
[N II] |
6584 |
|
|
F658N |
A [N II] + Red shifted H alpha |
Continuum |
6650 |
|
|
F665N |
A Continuum + redshifted H alpha |
[S II] |
6717+6731 |
|
|
F673N |
A |
Quads |
|
|
|
|
|
Methane 1 |
|
|
|
Q-CH4 |
A two CH_4 plus appropriate continuum bands. |
Methane 2 |
|
|
|
Q-CH4 |
A F889N + F904 + F922 + F937N |
Mg II |
2798 |
|
|
F280N |
B |
[Ne V] |
3426 |
|
|
F343N |
B |
Ca II K |
|
|
|
F393N |
B |
Continuum |
6450 |
|
100 |
F645N |
A |
Continuum |
6800 |
|
|
F680N |
A Continuum + redshifted S II & H alpha |
[S III] |
9530 |
|
|
F953N |
B HH objects; slow shocks; good in heavy extinctioned environments |
Quads |
|
|
|
|
|
Nebular 1 |
|
|
|
Q-neb-1 |
B [N II] 5755; Redshifted [O II], H beta, [O III] - maximize FOV by loc in Quad. |
Nebular 2 |
|
|
|
Q-neb-2 |
B [O III] 4363, continuum, [S II] 6717, 6731 |
Nebular 3 |
|
|
|
Q-neb-3 |
C [Ne IV] 2420, [Ne III] 3869, [C II] 2325, [C III] 1909 |
SECOND PRIORITY AND BACKUP FILTERS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
|
|
|
|
5175M |
Mg abs + Em cont. |
|
|
|
|
4530M |
Continuum for H beta. |
|
|
|
|
675W |
KC R filter. |
|
|
|
|
F930M |
Duplicate the IR filter. |
|
6000 |
10000 |
|
G800 |
|
|
2500? |
6500? |
|
G450 |
Grism |
|
|
|
100 |
6563 |
H alpha + [N II] |
Stromgren Hb |
|
|
? |
4861 |
|
|
|
|
|
G200 ? |
Available from WF/PC and/or WFPC2. |
|
|
|
|
Ramps ? |
Defer to ACS. |
|
|
|
|
Polarizers ? |
Defer to ACS. |
|
|
|
|
|
F619N + picket fence continuum on either side |
INFRARED FILTER CONSENSUS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
close to Gunn z |
|
|
0.20 |
F100W |
YES - optimize characteristics to get what you cannot from ground - take it down to detector cutoff |
J (ground based) |
|
|
0.23 |
F124W |
YES minimize transform to ground J |
H, grism reference |
|
|
0.40 |
F160W |
YES |
Grism |
|
|
|
grism |
grsim TBD |
|
|
|
|
|
|
|
|
|
|
|
|
H2O, brown dwarf |
|
|
0.19 |
F145M |
Highest priority for water; may need to make narrower to optimize but then problem for BB colors |
CH_4 cont, brown dwarf |
|
|
0.10 |
F158M |
Strongest methane continuum- highest priority (with 172) Is another cont filter possible? |
CH_4, brown dwarf |
|
|
0.07 |
F172M |
Strongest methane - highest priority (with 158 and Palpha) could make it narrow for Palpha and ok for planets as well |
|
|
|
|
|
Is this really the right methane? |
P beta |
|
|
|
F128N |
Highest priority emission line filter if cannot do P alpha |
cont |
|
|
|
F130N |
|
[Fe II] |
|
|
|
F164N |
Second highest priority after either P alpha or P beta, not both - don't just duplicate NICMOS |
" cont |
|
|
|
F167N |
|
P alpha |
|
|
|
F187N |
Highest priority emission line filter if possible. |
P alpha (cont) |
|
|
|
??? |
Goes with P alpha, but can you use F172M?? |
SECOND PRIORITY AND BACKUP FILTERS
Equivalent |
Short |
Long |
Delta λ |
Name |
Comments |
|
|
|
|
|
Very broad "J" filter |
|
|
|
|
G(TBD) |
grism (high res) |
[Fe II] |
|
|
|
F126N |
do with other FE II for reddening if cannot do P alpha and beta |
He I |
|
|
|
F108N |
Can be used as CH_4 (second priority methane) |
"cont |
|
|
|
F113N |
" |
need |
|
|
|
|
Broad I filter |
P beta (redshifted) |
|
|
|
F131N |
|
" cont |
|
|
|
F190N |
Too long lambda |
[C I] |
|
|
|
F098N |
|
[Fe II] |
|
|
|
F115M |
Continuum for Fe II |
Ice -cont. |
|
|
0.10 |
F165M |
|
Ice band |
|
|
0.07 |
F180M |
|
CH_4, brown dwarf |
|
|
0.10 |
F125M |
third priority methane |
|
|
|
|
G141 |
|
|
|
|
|
clear |
|
Bold are ones from NICMOS |
|
|
|
|
|