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Class Announcements:
2023-03-11: Here are some papers related to stellar activity:
"Ca
II HK emission in rapidly rotating stars. Evidence for an onset of the
solar-type
dynamo", "Detection
of a Millimeter Flare from Proxima
Centauri", "Frequent
Flaring in the TRAPPIST-1 System—Unsuited for
Life?", "The
Stellar Activity of TRAPPIST-1 and Consequences for the Planetary
Atmospheres", "Extreme
Water Loss and Abiotic O2Buildup on Planets Throughout the Habitable
Zones of M
Dwarfs", "Impacts
of stellar evolution and dynamics on the habitable zone: The role of
rotation and magnetic
activity", "Radial
velocity planet detection biases at the stellar rotational
period", "A
False Planet around HD
192263", "Stellar
Activity Mimics a Habitable-zone Planet around Kapteyn's Star",
and "Stellar
Activity and Exclusion of the Outer Planet in the HD 99492
System".
2023-03-09: Papers from class today were the Uranus/Neptune
paper that quantifies the
snowline ("Detecting
the signatures of Uranus and Neptune"), a review paper on the Grand
Tack
model ("The
Grand Tack model: a critical review"), the metallicity papers
("The
Planet-Metallicity Correlation",
"An
abundance of small exoplanets around stars with a wide range of
metallicities", "Compact
Multi-planet Systems are more Common around Metal-poor Hosts"), and
the papers describing the effects of giants planets on impacts
("The
Influence of Outer Solar System Architecture on the Structure and
Evolution of the Oort
Cloud", "Jupiter:
Cosmic Jekyll and
Hyde", "Giant
Planets: Good Neighbors for Habitable Worlds?"). Also, take a look
at Jonti Horner's description of
the Jupiter:
Friend or Foe topic.
2023-03-07: Papers mentioned in class today were the review
paper "Venus:
The Atmosphere, Climate, Surface, Interior and Near-Space Environment
of an Earth-Like Planet", and the stagnant-lid
paper "Carbon
Cycling and Habitability of Earth-Sized Stagnant Lid
Planets". Also, here are numerous papers by me that we discussed:
2023-03-01: Check out the following paper regarding the
detection of sub-surface
oceans: "Constraints
on the detection of cryovolcanic plumes on Europa", this paper on
the maximum size of
moons: "A
common mass scaling for satellite systems of gaseous planets", and
these papers regarding energy budgets of
moons: "Exomoon
Habitability Constrained by Illumination and Tidal Heating"
and "Habitability
of Exomoons at the Hill or Tidal Locking Radius". Finally, take a
look
at Scott
Shepphard's web page for more information on solar system moons
and latest discoveries.
2023-02-27: Thousands of images of Mars acquired with the
HiRISE camera aboard NASA's Mars Reconnaissance Orbiter (MRO) can be
found here. An
animation that demonstrates atmospheric loss processes on Mars using
data from the MAVEN mission is
available here. I
also suggest reading the following paper regarding MAVEN
results: "Loss
of the Martian atmosphere to space: Present-day loss rates determined
from MAVEN observations and integrated loss through time".
2023-02-20: I encourage reading the following review
paper: "The
Habitability of Our Earth and Other Earths: Astrophysical,
Geochemical, Geophysical, and Biological Limits on Planet
Habitability". Also, I recommend the following papers regarding
the Moon formation, and references therein:
"Origin
of the Moon in a giant impact near the end of the Earth's
formation", "Emergence
of a Habitable Planet",
and "Brief
follow-up on recent studies of Theia's accretion". I recommend
this biosignatures review
paper: "Exoplanet
Biosignatures: A Review of Remotely Detectable Signs of Life".
Regarding the Faint Young Sun Paradox, I suggest reading this
paper: "Is
the Faint Young Sun Problem for Earth Solved?". Finally, here is
Pam's paper that discusses the radiative forcing aspects of
Milankovitch
cycles: "System
Architecture and Planetary Obliquity: Implications for Long-term
Habitability".
2023-02-16: The two additional papers discussed in today's
class
are "Habitable
Zone Dependence on Stellar Parameter Uncertainties"
and "The
Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database
of Habitable Zones Around Nearby Stars".
2023-02-13: A useful resource for telluric line lists can be
found in the HITRAN Database.
2023-02-07: The full derivation of obliquity and eccentrcity
driven flux variations can be found in
"Obliquity
and Eccentricity Constraints for Terrestrial Exoplanets". A contrary opinion regarding the benefit of magnetic fields can be found here:
"Why
an intrinsic magnetic field does not protect a planet against
atmospheric escape".
2023-02-06: I highly recommend taking a look at this
tutorial on
"How to Characterize the
Atmosphere of a Transiting Exoplanet". Also, for the coming
classes, check out these
two relevant papers
regarding Habitable Zones.
2023-02-01: There are useful resources regarding planetary
interior models
at Li Zeng's
web site. Also
the ExoPlex code
by Cayman Unterborn is extremely useful.
Mantle convection simulations by Walter Kiefer and Louise Kellogg
can be
found here.
Here are some of the mass-radius relationship papers discussed in
class:"The
Mass-Radius Relation for 65 Exoplanets Smaller than 4 Earth
Radii"."Probabilistic
Forecasting of the Masses and Radii of Other Worlds".
2023-02-01: Paper demonstrating the inversion layer in solar
system
planets: "Common
0.1bar tropopause in thick atmospheres set by pressure-dependent
infrared transparency".
2023-01-16: Interesting review paper
on "The Inner Solar System's
Habitability Through Time".
2023-01-05: Class announcements will appear here
periodically.
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