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| datachallenge [2017/07/12 18:44] – borrill | datachallenge [2018/02/14 17:27] (current) – [Subscribing to this Group's Mailing List] borrill | ||
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| - | ===== Subscribing to this Group' | ||
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| - | Send e-mail to: \\ | ||
| - | probedatachallenge+subscribe@umn.edu | ||
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| - | The subject and body of the e-mail can be empty. Within minutes you will receive an automated e-mail response asking you to click on a radio button to subscribe. The group' | ||
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| - | __**Important: | ||
| ===== Data Challenges ===== | ===== Data Challenges ===== | ||
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| We are at the very beginning stages of defining this data challenge. Nothing written here should be understood as finalized. Please feel free to contribute to the definition of the data challenge. | We are at the very beginning stages of defining this data challenge. Nothing written here should be understood as finalized. Please feel free to contribute to the definition of the data challenge. | ||
| - | Following the model used in CMB-S4, we will define | + | Following the model used in CMB-S4, we will define |
| - | Links to the details of specific mission and sky models are provided below. | + | Data challenges will be made available at NERSC at / |
| - | Data will be made available at NERSC at /project/projectdirs/cmbp | + | To obtain a NERSC account please go to [[http://crd.lbl.gov/cmb]] to sign-up, using repository mp107 and PI Borrill. |
| - | To obtain a NERSC account please [[http:// | + | ---- |
| - | ===Mission Model=== | + | |
| + | ====Mission Model==== | ||
| A mission model includes an Instrument Model and an Observation Model | A mission model includes an Instrument Model and an Observation Model | ||
| - | ==Instrument Model== | + | ===Instrument Model=== |
| A basic instrument model will include specification of each frequency band: | A basic instrument model will include specification of each frequency band: | ||
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| * Focal plane layout | * Focal plane layout | ||
| * Noise model for each detector | * Noise model for each detector | ||
| + | * Cooler cycle frequency & duration (if any) | ||
| - | ==Observation Model== | + | ===Observation Model=== |
| An observation model defines the scanning strategy | An observation model defines the scanning strategy | ||
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| * Precession axis | * Precession axis | ||
| * Precession rate | * Precession rate | ||
| + | * Survey duration | ||
| and any polarization modulation | and any polarization modulation | ||
| * HWP rotation rate or stepping frequency and angle | * HWP rotation rate or stepping frequency and angle | ||
| - | Given an observation and an advanced instrument model, we will use the TOAST tools to generate simulated noise maps. | + | ====Sky Model==== |
| - | + | ||
| - | Mission Model 0 | + | |
| - | + | ||
| - | Mission Model 1 | + | |
| - | + | ||
| - | Mission Model 2 | + | |
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| - | ===Sky Model=== | + | |
| A sky model comprises four elements: | A sky model comprises four elements: | ||
| * Scalar, tensor and non-Gaussian CMB | * Scalar, tensor and non-Gaussian CMB | ||
| - | * Extragalactic foregrounds | + | * Extragalactic foregrounds, including their lensing. |
| * Galactic foregrounds | * Galactic foregrounds | ||
| * Zodiacal emission | * Zodiacal emission | ||
| - | |||
| - | Sky Model 0 | ||
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| - | Sky Model 1 | ||
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| - | Sky Model 2 | ||