HST Fundamental Physics Programs

Below are two tables listing the two types of programs: General Observer programs and Archival programs. The planned orbit counts may not be completely accurate especially for multi-cycle programs.

General Observer Programs

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First Cycle for the Program Proposal Number(s) Title PI Planned External Orbits* Planned Parallel Orbits* Number of Refereed Papers Associated with Program

32 17916 Dark matter, the Hubble tension, and the stellar IMF from HST imaging of quadruply imaged quasars Treu, Tommaso L. 17 0 0
32 17802, 17998 CLUTCH: The COSMOS Legacy UV-Optical Treasury Campaign with Hubble Kartaltepe, Jeyhan 642 642 1
32 17769 The UVOIR portrait of PSR J0030+0451, the key millisecond pulsar Pavlov, George G. 4 0 0
32 17748 HST Observations of the Most Energetic and Luminous Optical Transient AT 2021lwx aka Scary Barbie Subrayan, Bhagya 3 0 0
32 17726 Time delay cosmography with strong cluster lenses Dahle, Haakon 14 0 0
32 17715 The curious case of SDSS J1000+2233: a recoiling SMBH, a sub-parsec SMBH binary, or an unusual disk emitter? Shen, Yue 6 0 0
32 17712 Elucidating the Nature of a 'Starless' Dark Matter Halo Near M94 Benitez-Llambay, Alejandro 8 0 0
31 17446 Extending Precision Cosmology to Early Hosts of Type Ia Supernovae via Surface Brightness Fluctuation (SBF) Distances Milne, Peter 31 0 0
29 16765 Is the supermassive black hole binary candidate J0950+5128 actually a single perturbed accretion disk? Runnoe, Jessie Caye 5 0 0
29 16705 Shedding light on light echoes: mapping the accretion disk and broad line region in Mrk 279 Chelouche, Doron 50 0 0
29 16690 Measuring the Effect of Progenitor Metallicity on Type Ia Supernova Distance Estimates Foley, Ryan 12 0 0
29 16688 Towards a 1% local determination of the Hubble constant: quantifying stellar association bias in the distance scale anchor galaxy NGC4258 Anderson, Richard I 4 0 3
29 16676 A 1% Calibration of the Distance Ladder from Cepheids Using High Precision Cluster Parallaxes to Reveal the Origin of the Hubble Tension Riess, Adam 10 0 1
28 16269 Tension at the Breaking Point: Uncovering New Physics Through a Two-Rung Distance Ladder Measurement of the Hubble Constant Jones, David Oscar 112 0 12
28 16238 Measuring the Effect of Progenitor Metallicity on Type Ia Supernova Distance Estimates Foley, Ryan 12 0 0
28 16210 Spectroscopic Confirmation of High-Redshift Close Dual/Lensed Quasars from Gaia and HST Liu, Xin 14 0 2
28 16198 From Masers to Coma, A Single Step Measurement of the Hubble Constant and a Reservoir of New SNe Ia Riess, Adam 32 14 5
27 15975 Host Galaxy Morphologies of Candidate Sub-parsec Binary Supermassive Black Holes: Testing the Merger Hypothesis Liu, Xin 10 0 1
27 15946 Towards a 1% local determination of the Hubble constant: quantifying stellar association bias in the supernova-host galaxy M101 Anderson, Richard I 4 0 2
27 15936, 16278 Flashlights: Many Extremely Magnified Individual Stars as Probes of Dark Matter and Stellar Populations to Redshift z~2 Kelly, Patrick 192 192 10
27 15930, 16791 Cold Dark Matter and the GD-1 Stellar Stream Conroy, Charlie 56 56 1
27 15917 Calibrating the Tip of the Red Giant Branch Distance Indicator in the Near-Infrared McQuinn, Kristen B W 8 8 2
27 15889, 16234 Supernovae in the Infrared avec Hubble Jha, Saurabh W. 77 0 2
27 15883 Robust and efficient HST weak lensing mass measurements for high-z clusters: A pilot study targeting the most-massive SZ cluster known at z>1 Schrabback, Tim 4 0 0
26 15652 H0, the stellar initial mass function, and other dark matters from a large sample of quadruply imaged quasars Treu, Tommaso L. 35 0 13
26 15642 An Independent Determination of the Hubble Constant Freedman, Wendy L. 54 0 3
26 15640 The Search for New Physics Amid the Hubble Constant Tension Riess, Adam 110 0 11
First Cycle for the Program Proposal Number(s) Title PI Planned External Orbits* Planned Parallel Orbits* Number of Papers Associated with Program

First Cycle for the Program	Proposal Number(s)	Title	PI	Planned External Orbits*	Planned Parallel Orbits*	Number of Refereed Papers Associated with Program
32	17916	Dark matter, the Hubble tension, and the stellar IMF from HST imaging of quadruply imaged quasars	Treu, Tommaso L.	17	0	0
32	17802, 17998	CLUTCH: The COSMOS Legacy UV-Optical Treasury Campaign with Hubble	Kartaltepe, Jeyhan	642	642	1
32	17769	The UVOIR portrait of PSR J0030+0451, the key millisecond pulsar	Pavlov, George G.	4	0	0
32	17748	HST Observations of the Most Energetic and Luminous Optical Transient AT 2021lwx aka Scary Barbie	Subrayan, Bhagya	3	0	0
32	17726	Time delay cosmography with strong cluster lenses	Dahle, Haakon	14	0	0
32	17715	The curious case of SDSS J1000+2233: a recoiling SMBH, a sub-parsec SMBH binary, or an unusual disk emitter?	Shen, Yue	6	0	0
32	17712	Elucidating the Nature of a 'Starless' Dark Matter Halo Near M94	Benitez-Llambay, Alejandro	8	0	0
31	17446	Extending Precision Cosmology to Early Hosts of Type Ia Supernovae via Surface Brightness Fluctuation (SBF) Distances	Milne, Peter	31	0	0
29	16765	Is the supermassive black hole binary candidate J0950+5128 actually a single perturbed accretion disk?	Runnoe, Jessie Caye	5	0	0
29	16705	Shedding light on light echoes: mapping the accretion disk and broad line region in Mrk 279	Chelouche, Doron	50	0	0
29	16690	Measuring the Effect of Progenitor Metallicity on Type Ia Supernova Distance Estimates	Foley, Ryan	12	0	0
29	16688	Towards a 1% local determination of the Hubble constant: quantifying stellar association bias in the distance scale anchor galaxy NGC4258	Anderson, Richard I	4	0	3
29	16676	A 1% Calibration of the Distance Ladder from Cepheids Using High Precision Cluster Parallaxes to Reveal the Origin of the Hubble Tension	Riess, Adam	10	0	1
28	16269	Tension at the Breaking Point: Uncovering New Physics Through a Two-Rung Distance Ladder Measurement of the Hubble Constant	Jones, David Oscar	112	0	12
28	16238	Measuring the Effect of Progenitor Metallicity on Type Ia Supernova Distance Estimates	Foley, Ryan	12	0	0
28	16210	Spectroscopic Confirmation of High-Redshift Close Dual/Lensed Quasars from Gaia and HST	Liu, Xin	14	0	2
28	16198	From Masers to Coma, A Single Step Measurement of the Hubble Constant and a Reservoir of New SNe Ia	Riess, Adam	32	14	5
27	15975	Host Galaxy Morphologies of Candidate Sub-parsec Binary Supermassive Black Holes: Testing the Merger Hypothesis	Liu, Xin	10	0	1
27	15946	Towards a 1% local determination of the Hubble constant: quantifying stellar association bias in the supernova-host galaxy M101	Anderson, Richard I	4	0	2
27	15936, 16278	Flashlights: Many Extremely Magnified Individual Stars as Probes of Dark Matter and Stellar Populations to Redshift z~2	Kelly, Patrick	192	192	10
27	15930, 16791	Cold Dark Matter and the GD-1 Stellar Stream	Conroy, Charlie	56	56	1
27	15917	Calibrating the Tip of the Red Giant Branch Distance Indicator in the Near-Infrared	McQuinn, Kristen B W	8	8	2
27	15889, 16234	Supernovae in the Infrared avec Hubble	Jha, Saurabh W.	77	0	2
27	15883	Robust and efficient HST weak lensing mass measurements for high-z clusters: A pilot study targeting the most-massive SZ cluster known at z>1	Schrabback, Tim	4	0	0
26	15652	H0, the stellar initial mass function, and other dark matters from a large sample of quadruply imaged quasars	Treu, Tommaso L.	35	0	13
26	15642	An Independent Determination of the Hubble Constant	Freedman, Wendy L.	54	0	3
26	15640	The Search for New Physics Amid the Hubble Constant Tension	Riess, Adam	110	0	11

Archival Programs

These tables are compiled on the fly and may take a few seconds to load. Click on column heading to sort.

First Cycle for the Program Proposal Number(s) Title PI Planned External Orbits* Planned Parallel Orbits* Number of Refereed Papers Associated with Program

29 16629 Probing for astrometric accelerations in the globular cluster NGC 5139 Platais, Imants NA NA 0
28 16150 Hubble constant measurement from cluster-lensed quasars Sharon, Keren NA NA 0
28 16134 DOLPHOT for Time-Domain Astronomy Kelly, Patrick NA NA 0
27 15793 The Red Giant Branch Temperature Scale: A Fundamental Issue in the Study of Stellar Populations Dotter, Aaron L. NA NA 0
27 15791 Transient Detection for the 21st Century: Finding Faint Lensed Transients in Archival Hubble Galaxy-Cluster Imaging Chen, Wenlei NA NA 0
First Cycle for the Program Proposal Number(s) Title PI Planned External Orbits* Planned Parallel Orbits* Number of Papers Associated with Program

First Cycle for the Program	Proposal Number(s)	Title	PI	Planned External Orbits*	Planned Parallel Orbits*	Number of Refereed Papers Associated with Program
29	16629	Probing for astrometric accelerations in the globular cluster NGC 5139	Platais, Imants	NA	NA	0
28	16150	Hubble constant measurement from cluster-lensed quasars	Sharon, Keren	NA	NA	0
28	16134	DOLPHOT for Time-Domain Astronomy	Kelly, Patrick	NA	NA	0
27	15793	The Red Giant Branch Temperature Scale: A Fundamental Issue in the Study of Stellar Populations	Dotter, Aaron L.	NA	NA	0
27	15791	Transient Detection for the 21st Century: Finding Faint Lensed Transients in Archival Hubble Galaxy-Cluster Imaging	Chen, Wenlei	NA	NA	0
First Cycle for the Program	Proposal Number(s)	Title	PI	Planned External Orbits*	Planned Parallel Orbits*	Number of Papers Associated with Program