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Questions tagged [light-curve]

Questions about the time-dependence of the light intensity of a celestial object or region.

10 votes
1 answer
523 views

Gravitational mirroring: Can we theoretically see the Milky Way using a telescope?

As I am watching the beautiful deep field picture of the James Webb Space Telescope. I noticed the gravitational lensing. So I asked myself whether it is possible somehow a successive cluster of ...
user50618's user avatar
  • 263
4 votes
1 answer
443 views

Light curves for Chandra

I am working with Chandra data. I only have the corrected PI files for the sources. Is there a way to plot the light curve from this PI file. I wanted to extract the color magnitude ultimately.
Walker's user avatar
  • 51
3 votes
1 answer
91 views

Obtaining the Light curve of a a Quasar

So, I am relatively comfortable with handling $\textit{FITS}$ files and hence I choose Python for the following operation. The thing is that I need to analyse some Quasar light curves and hence I went ...
mnuizhre's user avatar
  • 165
2 votes
1 answer
59 views

Obtaining the Flux-Time plot for a Quasar

As a follow up question to Obtaining the Light curve of a a Quasar, I wish to know how to obtain a Light curve for a quasar observation like this data set over here. Is there an archival repository ...
mnuizhre's user avatar
  • 165
2 votes
1 answer
306 views

How to recognize exoplanet transit

I am using Python package lightkurve for exoplanets searching by the transit method. When I download light curve of some star and apply periodogram, I find frequency and power of periodic components ...
Michal's user avatar
  • 323