0
Assigned ID: 5950
----- Attempting Submission 1 (Fri Nov 01 19:15:31 GMT 2024) -----
HST Phase I Proposal 5950 successfully submitted.
Receipt: # 5950-1
----- Attempting Submission 2 (Wed Nov 06 16:20:43 GMT 2024) -----
HST Phase I Proposal 5950 successfully submitted.
Receipt: # 5950-2
This is a sixth attempt. I fixed an NSAMP in Visit #9 thanks to Peter McCullough identifying an error that needed fixing.
-39807340
----- Attempting Submission 1 (Thu Jan 30 23:24:22 GMT 2025) -----
Your proposal could not be saved.
Submission aborted.
----- Attempting Submission 2 (Sat Feb 01 23:35:26 GMT 2025) -----
----- Attempting Submission 3 (Tue Feb 04 04:18:14 GMT 2025) -----
----- Attempting Submission 4 (Tue Feb 04 20:14:23 GMT 2025) -----
----- Attempting Submission 5 (Thu Feb 13 21:13:09 GMT 2025) -----
Your proposal could not be saved.
Submission aborted.
----- Attempting Submission 6 (Wed Mar 05 03:07:20 GMT 2025) -----
Correcting for the Effects of the Optical/Near-Infrared Interstellar Extinction Toward the Roman Galactic Exoplanet Survey Fields
The upcoming Roman Galactic Exoplanet Survey will revolutionize exoplanet studies: expected detections of up to 200,000 transiting and microlensing planets, including sensitivity to planets with masses as low as Mars for orbital radii of 3 AU. Meaningful interpretation of this bounty will require knowing the properties of the planet-host stars. But, as these stars lie toward the inner Galaxy, foreground extinction will typically be >10x higher than it is toward either of the Kepler or TESS fields. Worryingly, in addition to the high total extinction, the wavelength dependence of the extinction toward the inner Milky Way is known to be both spatially variable and different from the "standard" extinction curve. These factors necessitate a robust three dimensional mapping of the interstellar extinction and the interstellar extinction curve toward the inner Milky Way. We request 7 orbits to measure the interstellar extinction curve for a representative sample of 14 of these sightlines. To break the degeneracies that have previously limited study of this phenomenon, we propose to study the extinction in two bands that are not accessible from the ground (F098M, F139M), complemented with three other bands selected for efficiency and calibration purposes (F127M, F153M, F167N). We select sightlines that will already have deep optical photometry in Hubble's F606W and F814W filters.
This program cannot be implemented with JWST due to numerous bright sources in these sightlines that will severely saturate the detectors, including our preferred targets. The results of this program will enable more robust preparation for observations with Roman.
2 observations per orbit
Our team's skills includes expertise in each of the areas that are essential to the successful planning and implementation of this proposal. This includes prior, successful experience selecting, reducing, and interpreting HST photometry toward crowded fields; modelling of Galactic stellar populations, and modelling of interstellar extinction. We also have experience with several of the datasets that we hope to jointly model with this proposed HST data.
Exoplanets and Exoplanet Formation
Stellar Populations and the Interstellar Medium
6
false
false
false
false
false
false
SUPPORTED
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
STAR
HORIZONTAL BRANCH STAR
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J2000
STAR
HORIZONTAL BRANCH STAR
NO
J2000
WFC3/IR
Imaging
No
No
F098M
WFC3/IR
Imaging
No
No
F127M
WFC3/IR
Imaging
No
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F139M
WFC3/IR
Imaging
No
No
F153M
WFC3/IR
Imaging
No
No
F167N
WFC3/IR
Imaging
No
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F098M
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Imaging
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F127M
WFC3/IR
Imaging
No
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F139M
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F153M
WFC3/IR
Imaging
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F098M
WFC3/IR
Imaging
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F127M
WFC3/IR
Imaging
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WFC3/IR
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F167N
WFC3/IR
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F098M
WFC3/IR
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F127M
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F153M
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WFC3/IR
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:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 17923
:visit-id "14"
:obset-id "14"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 17923
:visit-id "14"
:orbit-number 1
:pcs-time 380
:si-vis-utilization 1217
:al-overhead-at-end 0
:internal-dur-at-end 481
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3032
:pcs-gap 0
)
true
1
0