blasé

The blasé project (pronounced “blah-say”) aims to improve the astronomical echelle spectroscopy data analysis process through a hybrid data-driven/model-driven approach. It is similar in spirit to Starfish, and wobblé. The key design features of blasé include:

1. Built on a foundation of pre-computed synthetic stellar spectra, chosen at discrete grid points

2. Extensibile for a wide range of scientific applications

3. Handles stellar, telluric, and instrumental features simultaneously

We invite you to engage with us at our GitHub page, with pull requests and discussions welcomed.

Navigation

• Installation
• Application Programming Interface
• Testimonials

• Tutorials
  • Step 1: Clone a PHOENIX stellar model spectrum
  • Step 2: Clone a TelFit telluric model spectrum
  • (Aside) Loading a pretrained blasé model
  • Step 3: Stellar rotational broadening and RV shifting
  • Step 4: Joint star and telluric model
  • Step 5: Instrument broadening and resampling
• Deep Dives
  • WASP-69 with HPF: joint stellar/telluric tuning
  • Towards Doppler Imaging
• Paper Figures
  • WASP-69 with HPF Paper Figures:
• Frequently Asked Questions
  • FAQ 1: Log vs. Linear emulator?
  • FAQ 2: What about line blending?

This project can use either CPUs or GPUs. To check if you have a GPU available:

import torch

torch.cuda.is_available()

Indices and tables

• Index

• Module Index

• Search Page