California-Planet-Search / grandsol

Grand Solution - Doppler forward modeling
MIT License
0 stars 0 forks source link

Run a sample of standard stars from Keck #58

Closed bjfultn closed 7 years ago

bjfultn commented 7 years ago

Self-explainatory. Run some stars from the APF-50 sample.

bjfultn commented 7 years ago

Use this to check for an RV fudge for Keck

bjfultn commented 7 years ago

Keck is performing much worse than APF. Here is an iGrand vs. Keck RMS comparison:

screen shot 2017-10-25 at 10 24 34 am

The CPS velocities (MNVEL) show lower RMS in many cases. The large iGrand RMS for some stars is driven by terrible systematics w/ BC. e.g. 144579:

screen shot 2017-10-25 at 10 26 26 am

bjfultn commented 7 years ago

Here is what the double fudge looks like for Keck.

screen shot 2017-10-25 at 10 26 44 am