File:Trappist 1d earthlike longitude 180 air 2m temperature 1.png
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Captions
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Summary
[edit]
| Description |
English: Temperature of Trappist-1d, if it is Earth-like. Measured mass , radius, insolation and period of Trappist-1d. CO2 280 ppm, assumed N2 atmosphere. |
| Date | |
| Source | Own work |
| Author | Merikanto |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
|---|
Source of Tarrpist1 data is
https://phl.upr.edu/projects/habitable-exoplanets-catalog
Exoplasim pip install exoplasim[netcdf4]
https://github.com/alphaparrot/ExoPlaSim
Exoplasim run at ubuntu , anaconta, python 3.9, openmpi
Run 30 years
-
- exoplasim planet runner
- python 3, exoplasim
- basic run settings T21
-
- 16.10.2023 0000.0000
-
import math
import numpy as np
import exoplasim as exo
timestep=30.0
years=30
Sol=1367
- basic input params
- Trappist 1 d
startemp= 2566 # assumption Earth-like
flux=1.12*1367
rotationperiod=4.05
eccentricity=0
obliquity=0
radius=0.78 ## rel to earth
mass=0.39
fixedorbit=True
synchronous=True
aquaplanet=False
desertplanet=False
relCO2=280e-6
relN2=1-relCO2
density=mass/np.power(radius,3)*5.519
vesc=np.sqrt(mass/radius)*11.186
geese=mass/(radius*radius)
geeseg=geese*9.80665
patm=geese*mass*radius*radius ## estimation
gravity=geeseg
pressure=patm
pN2=pressure*relN2
pCO2=pressure*relCO2
planeta = exo.Model(workdir="planeta_run",modelname="Planeta",ncpus=4,resolution="T21",outputtype=".nc")
planeta.configure(startemp=startemp, flux=flux, eccentricity=eccentricity,obliquity=obliquity, fixedorbit=fixedorbit,synchronous=synchronous,rotationperiod=rotationperiod,radius=radius,gravity=gravity,aquaplanet=aquaplanet,desertplanet=desertplanet,pN2=pN2,pCO2=pCO2,ozone=False,timestep=timestep,snapshots=False,physicsfilter="gp|exp|sp")
planeta.run(years=years,crashifbroken=True)
planeta.exportcfg()
planeta.run(years=years,crashifbroken=True)
planeta.finalize("Planeta",allyears=True,keeprestarts=True)
planeta.save()
Licensing
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- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:57, 16 October 2023 | | 1,040 × 704 (356 KB) | Merikanto (talk | contribs) | Uploaded own work with UploadWizard |
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