The approved programs for SOFIA Cycle 4, from both the US and German (DE) queues are listed in these tables. The first table contains programs in the main approved category, while the second table contains Do if Time category programs . The complete TAC results of the German proposals are available here .

Cycle 4 Approved Programs
Prop. ID
(Queue)
PI
(Affiliation)
Proposal Title Instrument Awarded Time (hrs)
04_0003
(US)
Aneurin Evans
(University of Keele)
The Born-again phenomenon FORCAST 5.5
04_0004
(US)
Glenn Orton
(Jet Propulsion Laboratory)
17- to 37-micron Photometry and Spectroscopy of Uranus and Neptune FORCAST 3
04_0005
(US)
Glenn Orton
(Jet Propulsion Laboratory)
Jupiter's Stratospheric HCN, Hydrocarbon and Temperature Fields EXES 4.5
04_0007
(US)
Robert Gehrz
(University of Minnesota - Twin Cities)
SOFIA Target of Opportunity (ToO) Observations of Bright Classical Novae in Outburst FLITECAM FORCAST 3
04_0009
(US)
Charlotte Vastel
(Observatoire Midi-Pyrenees)
Tracing the cold regions of a dense core with para-H2D+ against a bright continuum source GREAT 1
04_0010
(US)
Charles Woodward
(University of Minnesota - Twin Cities)
A Tale of Two Comets - The FORCAST Story FORCAST FPI_PLUS 10
04_0011
(US)
Doug Johnstone
(National Research Council Canada - Herzberg Astronomy and Astrop)
Monitoring the Far Infrared Variability of Deeply Embedded Protostars with SOFIA/HAWC HAWC+ 1.25
04_0014
(US)
Dan Clemens
(Boston University)
Magnetic Fields in The Low-Mass Star-Forming Dark Cloud B5 and B5IRS1 HAWC+ 4.5
04_0015
(US)
Kate Su
(University of Arizona)
Mineralogical Evolution in Extreme Debris Disks FORCAST 3.5
04_0016
(US)
Mikako Matsuura
(Cardiff)
A SOFIA study of SN 1987A's dust components FORCAST HAWC+ 5.6
04_0017
(US)
Philip Appleton
(California Institute of Technology)
Tracing Shocked gas in Stephan's Quintet and NGC 4258 with SOFIA FIFI-LS 3
04_0018
(US)
Therese Encrenaz
(LESIA,Paris Observatory)
A map of D/H on Mars using EXES aboard SOFIA EXES 2
04_0020
(US)
David Neufeld
(Johns Hopkins University)
Probing the molecular hydrogen fraction in diffuse molecular clouds with observations of HCl+ GREAT 3
04_0023
(US)
David Neufeld
(The Johns Hopkins University)
High frequency water masers with SOFIA/GREAT GREAT 6
04_0025
(US)
Dan Clemens
(Boston University)
Multi-Scale Probes of Magnetic Fields in HII Region Cores and Clouds with Zeeman Detections HAWC+ 7
04_0026
(US)
Dan Clemens
(Boston University)
Magnetic Fields Prior to Outflow Onset: GF 9-2 / L1082 C HAWC+ 4
04_0028
(US)
Christopher Tibbs
(European Space Agency - ESTEC)
Exploring the role of CII in current Spinning Dust Models GREAT 4
04_0029
(DE)
Jochen Eisloeffel
(Thuringer Landessternwarte - Karl-Schwarzschild-Observatorium Ta)
Studying the disk of the outbursting new FU Orionis object 2MASSJ0659 FIFI-LS FORCAST 1.5
04_0032
(US)
Andrew Harris
(University of Maryland)
Understanding the Galactic center's ionizing sources FIFI-LS 4
04_0033
(US)
William Langer
(Jet Propulsion Laboratory)
Dynamics of Spiral Arm Ionized Gas Observed in [N II] and [C II] GREAT 24
04_0036
(US)
Fabio Pereira Santos
(Northwestern University)
Magnetic Field Structure in Perseus at 0.01 pc Scale HAWC+ 11.3
04_0038
(US)
Carsten Kramer
(IRAM)
upGREAT [CII] observations in six HII regions of M33 GREAT 3.4
04_0039
(US)
Sarah Ragan
(University of Leeds)
Cooling in the Central Molecular Zone GREAT 3
04_0041
(DE)
Thomas Preibisch
(Universitats-Sternwarte Munchen)
Molecular excitation of a strongly irradiated pillar in the Carina Nebula GREAT 2
04_0043
(DE)
Henrik Beuther
(Max-Planck-Institut fur Astronomie, Heidelberg)
Outflow energetics and accretion rates in high-mass star formation FIFI-LS 2
04_0045
(US)
Daniel Walker
(Astrophysics Research Institute, Liverpool John Moores Universit)
Constraining the Temperature of an Extremely Massive Pre-stellar Core at the Galactic Centre FORCAST 1.6
04_0046
(US)
Sarah Ragan
(University of Leeds)
Tracing molecular cloud formation GREAT 2
04_0047
(DE)
Jochen Eisloeffel
(Thuringer Landessternwarte - Karl-Schwarzschild-Observatorium Ta)
Catching the next bright outbursting FU Orionis object on the rise FIFI-LS FORCAST 2
04_0048
(US)
Enrique Lopez-Rodriguez
(University of Texas at San Antonio)
AGN Survey to characterize the clumpy torus using FORCAST FORCAST 6
04_0049
(US)
Randolf Klein
(Universities Space Research Association)
The structure of a PDR -M17-SW FIFI-LS 3.5
04_0050
(US)
Andrew Rivkin
(The Johns Hopkins University Applied Physics Laboratory)
Characterization of OH and H2O in Asteroids FLITECAM 9
04_0055
(US)
Sadia Hoq
(Boston University)
Magnetic Fields in Infrared Dark Clouds HAWC+ 3.5
04_0056
(US)
Bernd Husemann
(European Southern Observatory - Germany)
How accurate is [CII] tracing star formation in nearby luminous AGN? FIFI-LS 11
04_0057
(DE)
Cristian Guevara
(I. Physikalisches Institut der Universitat Koeln)
[C II] 158 um optical depth and self-absorption GREAT 8
04_0058
(US)
Alexander Tielens
(Leiden Observatory)
Evolution of PAHs in PhotoDissociation Regions FLITECAM FORCAST 8
04_0059
(US)
Eric Omelian
(NASA Ames Research Center/SOFIA)
Probing Accretion in the Symbiotic Mira, R Aquarii FORCAST HAWC+ 1.5
04_0060
(US)
Carl Melis
(University of California - San Diego)
What is the unusual material orbiting the dustiest main sequence A-type stars HD 131488 and HD 121191? FORCAST 6.5
04_0064
(US)
Joseph Adams
(SOFIA/USRA)
The Dust Production Rate in the Fomalhaut Debris Disk FORCAST HAWC+ 11
04_0065
(US)
Kate Su
(University of Arizona)
Structure of the Iconic Vega Debris Disk FORCAST 5
04_0066
(US)
Alexander Tielens
(Leiden Observatory)
The large scale [CII] emission from the Orion molecular cloud GREAT 54
04_0068
(US)
Ian Stephens
(Boston University)
The Role of Magnetic Fields in High-Mass Star-Forming Filaments HAWC+ 8.3
04_0073
(US)
Joel Green
(Space Telescope Science Institute)
Exploring Protostellar Winds with [OI]: Constraining models of shocked gas and PDR using L1551-IRS5 GREAT 5.3
04_0077
(US)
Jonathan Tan
(University of Florida)
Peering to the Heart of Massive Star Birth - V. Highest Priority Massive Protostars FORCAST 8
04_0078
(US)
Constantine Tsang
(Southwest Research Institute)
Venus Atmosphere: D/H Ratio from H2O and HDO Measurements EXES 6.3
04_0081
(US)
Nicola Schneider
(LAB/OASU, University of Bordeaux, France)
The many origins of the [CII] emission in the Mon R2 region GREAT 2.5
04_0082
(US)
Frank Israel
(Leiden Observatory, Leiden University)
Large Magellanic Cloud observed by SOFIA/GREAT GREAT 1.5
04_0085
(DE)
Peter Scicluna
(Institut fur Theoretische Physik und Astrophysik der Universitat)
Origin of the IR excess of massive stars HAWC+ 10
04_0087
(US)
Shohei Aoki
(Istituto di Astrofisica e Planetologia Spaziali (IAPS), Istituto)
Verification of CH4 on Mars and investigation of its temporal and spatial variations by SOFIA/EXES EXES 4
04_0089
(DE)
Miwa Goto
(Max Planck Institute for Extraterrestrial Physics)
The Deuteration Ladder of H3+ EXES 2
04_0090
(US)
Tom Megeath
(University of Toledo)
FORCAST Spectroscopy of Orion Protostars: Probing Intermediate Luminosities FORCAST 6
04_0093
(DE)
Miriam Rengel
(Max-Planck-Institut fur Sonnensystemforschung, Katlenburg-Lindau)
Investigating the composition of Titan's stratosphere with SOFIA: time variability & intriguing unidentified signatures FIFI-LS 4
04_0095
(DE)
Friedrich Wyrowski
(Max-Planck-Institut fur Radioastronomie)
Ammonia as a probe of infall in high-mass star forming clumps, Part III GREAT 3.5
04_0096
(DE)
Denise Riquelme
(MPIfR)
High velocity gas at the edge of the Central Molecular Zone of the Galactic Center GREAT 2
04_0100
(DE)
Helmut Wiesemeyer
(Max-Planck-Institute for Radioastronomy)
Radiative torques and atomic alignment of FIR fine structure lines - a tool to trace magnetic field structure with the [OI] ground state transition ? GREAT 2.5
04_0101
(US)
Margaret Meixner
(Space Telescope Science Institute)
Measuring the Outflows from Massive Young Stellar Objects in the Large Magellanic Cloud (LMC) GREAT 6.5
04_0104
(DE)
Silvia Leurini
(Max Planck Institut fuer Radioastronomie)
Far-IR cooling in massive YSOs GREAT 6
04_0105
(US)
Farhad Yusef-Zadeh
(Northwestern University)
HAWC+ Observations of two Galactic center Molecular clouds: G0.13-0.13 and G359.44-0.10 HAWC+ 6
04_0106
(DE)
Alberto Sanna
(Max-Planck-Institut fur Radioastronomie Bonn)
Investigating the atomic jet component in a O-type YSO FIFI-LS 1
04_0107
(US)
Leslie Looney
(University of Illinois)
Far-Infrared Polarization of the Disks around HL Tauri and DG Tauri down to 0.9% Fractional Polarization HAWC+ 4.5
04_0109
(DE)
Thomas Giesen
(University of Kassel)
Detection of 13CCC and C13CC in dense star forming regions GREAT 6
04_0111
(US)
Edward Chambers
(USRA/SOFIA)
Determining the nature of the [O I] emission from the DR21 outflow GREAT 1.5
04_0112
(US)
Els Peeters
(SETI Institute)
Aromatics versus aliphatics: revealing the structure of carbonaceous dust. FLITECAM 4
04_0113
(US)
Janet Simpson
(SETI Institute)
Unveiling the Star Formation History of the Massive Galactic Center H II Region Sagittarius B1 FIFI-LS 4.75
04_0116
(US)
Jorge Pineda
(Jet Propulsion Laboratory)
Joint Impact Proposal: A complete velocity resolved 3-D [CII] map of the M51 grand-design spiral galaxy: Unraveling the impact of spiral density waves on the evolution of the ISM and star formation. FIFI-LS GREAT 60
04_0117
(US)
Terry Jones
(University of Minnesota)
Grain Alignment in Class 0 YSOs HAWC+ 1
04_0119
(US)
B-G Andersson
(Universities Space Research Association)
Why are carbonaceous grains unaligned in the ISM? - HAWC+ polarimetry of IRC+10216 HAWC+ 4.5
04_0120
(US)
Nick Indriolo
(University of Michigan)
Water Vapor in Massive Protostars at High Spectral Resolution EXES 12
04_0122
(DE)
Juergen Stutzki
(I. Physikalisches Institut, Universitaet zu Koeln)
Joint Impact Proposal: A complete velocity resolved 3-D [CII] map of the M51 grand-design spiral galaxy: Unraveling the impact of spiral density waves on the evolution of the ISM and star formation. FIFI-LS GREAT 10
04_0126
(US)
Inseok Song
(University of Georgia)
Characterizing the Warm Disk with FORCAST Photometry for the Dustiest Debris Disk FORCAST 5
04_0127
(US)
Sylvain Bontemps
(LAB)
Studying the pre-hot core phase in a young and massive protostar in Cygnus X GREAT 1
04_0128
(DE)
Maria Kapala
(Max Planck Institute for Astronomy)
Spectrally Resolved [CII] Emission in M31: The Origin of [CII] from Metal-Rich Star-Forming Galaxies GREAT 4
04_0129
(US)
Gregory Sloan
(Center for Radiophysics and Space Research, Cornell University)
An infrared spectral survey of Galactic carbon stars FORCAST 4
04_0130
(US)
Inseok Song
(University of Georgia)
Characterizing the Disk of a Recent Massive Collisional Event FORCAST 6.5
04_0133
(US)
Jonathan Tan
(University of Florida)
Joint Impact Proposal: The Timescale of Star Formation - Astrochemical ages of molecular envelopes from para-H2D+ GREAT 8
04_0134
(US)
William Fischer
(NASA Goddard Space Flight Center)
Characterizing Outbursting Young Stellar Objects with FORCAST Imaging FORCAST 5.5
04_0136
(US)
Graham Harper
(University of Colorado at Boulder)
Spectrally-resolved forbidden emission lines: new EXES constraints on accelerating flows from cool evolved stars EXES 4
04_0138
(US)
John Vaillancourt
(USRA)
Characterizing the FIR polarization spectrum in Galactic Clouds HAWC+ 7
04_0139
(DE)
Frank Bigiel
(Zentrum fur Astronomie der Universitat Heidelberg)
Calibrating CII as a SFR Tracer Across the Entire Disk of the Star-forming Galaxy NGC 6946 FIFI-LS 5.3
04_0141
(US)
Gary Melnick
(Smithsonian Institution Astrophysical Observatory)
[OI] and Why Outflows Under-Produce Water GREAT 3
04_0144
(US)
Antoine Gusdorf
(Observatoire de Paris)
Characterizing the Cep E protostellar outflow: the oxygen chemistry GREAT 2.5
04_0145
(DE)
Juergen Wolf
(Deutsches SOFIA Institut, Universitaet Stuttgart)
Stellar Occultations by Trans-Neptunian Objects and Centaurs FPI_PLUS 2.5
04_0146
(US)
Joel Green
(Space Telescope Science Institute)
The Evolution of FU Orionis Disks FORCAST 3
04_0151
(US)
Alberto Bolatto
(University of Maryland)
A GREAT View of the Multiphase Interstellar Medium GREAT 11.5
04_0153
(US)
Adwin Boogert
(USRA/SOFIA)
The Mystery of Sulfur in Dense Environments: EXES Spectroscopy of Sulfur Dioxide toward Massive Protostars EXES 4
04_0155
(DE)
G.S. Thushara Pillai
(Max-Planck-Institut fur Radioastronomie Bonn)
Magnetic Fields in Massive Filaments HAWC+ 6
04_0158
(US)
David Chuss
(Villanova University)
A Polarimetric Survey of the Cold Dust in the Central Molecular Zone of the Milky Way HAWC+ 6.6
04_0159
(US)
Crystal Brogan
(National Radio Astronomy Observatory)
Resolving the mid-infrared population in massive protoclusters FORCAST 12
04_0160
(US)
Min-Young Lee
(Commissariat a l'Energie Atomique (CEA))
Unraveling the Physical Processes of Molecular Gas Excitation in N159W with SOFIA FIFI-LS FIFI-LS 13
04_0162
(US)
Jan Cami
(SETI Institute)
Revealing the formation of fullerenes in planetary nebulae. FIFI-LS HAWC+ 6.5
04_0167
(US)
Kazimierz Borkowski
(North Carolina State University)
Probing Supernova Ejecta Dust with Stellar Lightbulbs: MID-IR Imaging of G54.1+0.3 FORCAST 1.6
04_0168
(US)
Nick Indriolo
(University of Michigan)
Effects of a Past X-ray Flare of SgrA* : Highly Excited H3O+ in the Galactic Center GREAT 7
04_0170
(US)
Dominique Segura-Cox
(University of Illinois at Urbana - Champaign)
Far-Infrared Polarization of Large-Scale Emission around Young Protostars: the TADPOL+E Survey HAWC+ 5.25
04_0171
(US)
C. Dowell
(Jet Propulsion Laboratory)
Environmental Correlations with Magnetic Field Structure in the Taurus L1495/B211 Molecular Cloud HAWC+ 8
04_0173
(US)
Tracy Huard
(University of Maryland)
Protostellar Luminosities from FORCAST FORCAST 2
04_0174
(US)
Diane Wooden
(NASA Ames Research Center)
FORCAST Observations of a ToO Comet FORCAST 1.5
04_0177
(US)
Erin Cox
(University of Illinois at Urbana Champaign)
Mapping the Intermediate-Scale Magnetic Field Around IRAS4A and Nearby Protostars HAWC+ 1
04_0178
(US)
John Carr
(Naval Research Laboratory)
Far-infrared OH Lines as a Proxy for Water Vapor Beyond the Snowline FIFI-LS 9.5
04_0179
(US)
Gordon Stacey
(Cornell University)
FIFI-LS Imaging of [O III] Line Emission in the Nucleus and Spiral Arm of M83: Tracing the Stellar Radiation FIelds FIFI-LS 5
04_0180
(US)
Benjamin Sargent
(Rochester Institute of Technology)
An EXES Medium Resolution Search for Formaldehyde Gas in the Class I/II Young Stellar Object IRAS 04278+2253 EXES 1
04_0181
(US)
L. Helton
(Universities Space Research Association)
An Examination of Dust Formation and Evolution in the Ejecta of Nova Sagittarii 2015 No. 2 FLITECAM FORCAST 8
04_0188
(US)
Benjamin Sargent
(Rochester Institute of Technology)
An EXES Low-Resolution Search for Formaldehyde Gas in the Protoplanetary Disk of DL Tau EXES 1.7

Proposals in the Do if Time category

Proposals in the Do if Time category
Prop. ID
(Queue)
PI
(Affiliation)
Proposal Title Instrument
04_0001
(US)
James De Buizer
(USRA-SOFIA)
Revealing the Embedded Structures and Sourcess within Giant HII Regions: The Northern Hemisphere Sample FORCAST
04_0002
(US)
James De Buizer
(USRA-SOFIA)
Revealing the Embedded Structures and Sourcess within Giant HII Regions: The Southern Hemisphere Sample FORCAST
04_0008
(US)
Robert Gehrz
(Minnesota Institute for Astrophysics, University of Minnesota)
SOFIA Target of Opportunity Observations of Galactic Supernovae and Supernovae in Nearby (D < 5 Mpc) Galaxies FLITECAM FORCAST
04_0013
(US)
Roberta Humphreys
(University of Minnesota - Twin Cities)
Cool Dust and the Mass Loss Histories of the Hypergiants FORCAST
04_0021
(US)
Göran Sandell
(SOFIA-USRA)
NGC7538 -the key to understanding the formation of high-mass stars HAWC+
04_0024
(US)
Mark Giampapa
(National Solar Observatory)
Seeing SPOTS with SOFIA: Starspot Photometric Observations of Transiting Systems FLITECAM
04_0030
(US)
Göran Sandell
(SOFIA-USRA)
An Unbiased High-Resolution Spectral Survey of LkHa 101 with EXES EXES
04_0054
(US)
Margaret McAdam
(University of Maryland)
Quantifying the Degree of Alteration and Identifying Silica Glass on Asteroids FORCAST
04_0061
(US)
Peter Barnes
(University of Florida)
The Assembly of a Massive Stellar Cluster FIFI-LS FORCAST
04_0062
(US)
Carl Melis
(University of California - San Diego)
Where does the dust produced in red novae outbursts go? FORCAST HAWC+
04_0070
(US)
Lauren Cashman
(Boston University)
Magnetic Fields in Nine Bolocam Molecular Clumps HAWC+
04_0072
(US)
Roberta Paladini
(California Institute of Technology)
FORCAST observations of RCW 49: the mini-starburst of the Galactic Southern hemisphere FORCAST
04_0108
(US)
Farhad Yusef-Zadeh
(Northwestern University)
FORCAST Observations of YSO candidates and Radio Filaments in Sgr C FORCAST
04_0110
(US)
Marta Alves
(Institut de Recherche en Astrophysique et Planetologie)
Magnetic field in the NGC7023 photodissociation region HAWC+
04_0115
(US)
Michael Ressler
(Jet Propulsion Laboratory)
A Census of High-Mass Star Formation in the Galactic Center FORCAST
04_0118
(US)
Brett McGuire
(National Radio Astronomy Observatory)
THz Observations of Interstellar Ices: Expanding the Power of FIFI to Explore Solid-State Astrophysics FIFI-LS
04_0132
(US)
Loren Anderson
(West Virginia University)
HII Region Dynamics Revealed by [CII] Emission GREAT
04_0135
(US)
Marc Pound
(University of Maryland)
Polarized Dust Emission in the Eagle Nebula Pillars HAWC+
04_0152
(US)
James Jackson
(Boston University, Institute for Astrophysical Research)
Characterizing [C II] Emission from Galactic High-Mass Star-Forming Clumps FIFI-LS
04_0157
(US)
Alycia Weinberger
(Carnegie Institution of Washington)
Essential Properties of New Debris Disks HAWC+
04_0169
(US)
Jonathan Tan
(University of Florida)
The Inception of Star Cluster Formation: [CII] emission from IRDCs GREAT