<p>Does anyone have any recommendations for easy-to-use exoplanet transit light curve model fitting packages like <a href="https://lkreidberg.github.io/batman/docs/html/index.html" rel="nofollow noreferrer">batman</a>, but that fits the data, not just the model parameters?</p>
<p>I need it to be really easy. I'm really bad at coding and need to learn easy things first with coding.</p>

CC BY-SA 4.0
2022-07-27T07:57:26.387Z
What do you mean by "fits the data and not just the model parameters"?
ProfRob
CC BY-SA 4.0
2022-07-27T23:41:12.353Z
ok, so batman does it  Thank you so much! It just seemed too easy. Too good to be a true type of thing. I'm inputting my mid-transit BJD_TDB guesses by eyeballing my lightcurve and entering it by hand, hand, and once I get a good fit that's my time. mid-transit BJD_TDB.  Is that basically it?  Or Is there a way to automate it? I would still tweak by hand right? Its only a few nights a month. Maybe seven. So I have about 25 curves to fit.
strange_octopi
CC BY-SA 4.0
2022-07-27T23:46:43.413Z
Are there any Batman users out there? I like it. I was wondering is it popular among astronomers? Is it well-liked? What are most people using? I'm doing the photometry with AstroimageJ and then plotting in python, Astropy, and then using the Batman transit light curve fitting package.  I am an Astro undergrad at a major research university.  I'll be a senior in the Fall. This is my summer research, This and a whole different project involving silicon 2 lines in type-1a Sn's.  Therefore my questions will be wildly disparate! And I really appreciate the help!
strange_octopi
<exoplanet><python><planetary-transits><astropy><light-curve>
Easy curve modeling package for transits that fits the data, not just the parameters
strange_octopi
# Easy curve modeling package for transits that fits the data, not just the parameters

(Asked by: username_0 on 2022-07-27)

Does anyone have any recommendations for easy-to-use exoplanet transit light curve model fitting packages like [batman](https://lkreidberg.github.io/batman/docs/html/index.html), but that fits the data, not just the model parameters?

I need it to be really easy. I'm really bad at coding and need to learn easy things first with coding.

**Tags:** exoplanet, python, planetary-transits, astropy, light-curve
> **Comments:**
> **username_1**: What do you mean by "fits the data and not just the model parameters"?  
> **username_0**: ok, so batman does it  Thank you so much! It just seemed too easy. Too good to be a true type of thing. I'm inputting my mid-transit BJD_TDB guesses by eyeballing my lightcurve and entering it by hand, hand, and once I get a good fit that's my time. mid-transit BJD_TDB.  Is that basically it?  Or Is there a way to automate it? I would still tweak by hand right? Its only a few nights a month. Maybe seven. So I have about 25 curves to fit.  
> **username_0**: Are there any Batman users out there? I like it. I was wondering is it popular among astronomers? Is it well-liked? What are most people using? I'm doing the photometry with AstroimageJ and then plotting in python, Astropy, and then using the Batman transit light curve fitting package.  I am an Astro undergrad at a major research university.  I'll be a senior in the Fall. This is my summer research, This and a whole different project involving silicon 2 lines in type-1a Sn's.  Therefore my questions will be wildly disparate! And I really appreciate the help!  

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## 0 answers

