Questions tagged [light-curve]
The light-curve tag has no usage guidance.
12
questions
2
votes
0answers
16 views
Finding the precession period of folded light curves
I was supposed to find the precession of a certain frequency in a time series. I tried breaking down the time series into smaller intervals and folded them over the average frequency I'm interested in....
2
votes
0answers
48 views
Depth of primary and secondary minimum in a light curve
How can I explain approximately the same depth of primary and secondary minimum in light curve?
I observe star HD 36486. I tried filters MOST and BRITE.
Is it related with photometric filter? When ...
0
votes
1answer
36 views
Plot SuperWasp Lightcurves
I am trying to plot superwasp lightcurves in python from the fits files, using TMID and FLUX2, getting this:
There is a way to transform the information so I can plot the lightcurves with the kepler ...
1
vote
0answers
36 views
How to decide which part of the data is analyzed? [closed]
I need to get the X-ray light curve of Classical Nova V1494 Aquilae (1999 No. 2) in Outburst. It is done long time ago, but I need to this by myself. While reading the papaer about the V1494 Aquilae, ...
2
votes
1answer
55 views
Comprehensible full manual for bolometric light curve reconstruction
Could anyone point me to some manual or tutorial, possibly step-by-step one, on reconstruction of (quasi-) bolometric light curve using UBVRI-photometry data?
Both links and names are fine for me.
4
votes
2answers
81 views
Classification and discovery of stars
How do astronomers find the difference between a 'Cephid Variable Star' and distinct normal stars with opaque objects blocking it's light, like stars with planets revolving around them while both ...
1
vote
0answers
63 views
Sinusoidal Light curve of an eclipsing binary
This light curve seems really weird to me, I'm used to seeing light curves where the barycenter is a straight line. It either stays at a place, moves at a constant speed or slowly increases its speed. ...
2
votes
2answers
363 views
Python: Find brightest pixel in fits-file and ignore brighter artefacts
I have 4000 fits-files images from SPITZER, each containing the same star over a time period. Each image is a photmetry cube of 32 pixel * 32 pixel * 64 consequent time frames. I need to look through ...
3
votes
0answers
210 views
How does the size of a naked black hole effect its photon sphere?
What effect does the size of a black hole have on the size or density of the photon sphere and it's proximity to the horizon?
For example: A person is in space looking at 2 black holes, one of them ...
1
vote
0answers
152 views
Photometry data from Gaia
I am trying to get data from Gaia. Especially for Cepheids or RR Lyrae. On Gaia websites it say they have released some of the data however I cannot find it. I am looking for two columns with time and ...
1
vote
0answers
79 views
Where can I find detail on interpreting the exo-planet transit-data graphics used in the Zooniverse Project?
I'm participating in the Zooniverse Exoplanet-explorers project (transit method), which provides only minimal guidance on interpreting their light curve and transit data graphics, as visible here:
...
5
votes
1answer
109 views
What caused instant jumps and exactly flat periods in Kepler's light curves?
Last 65 days of Kepler's light curve for the infamous KIC 8462852 star is shown below from the published paper's graph. Skip the dips here, I wonder about two other features:
Day 1559, during a ...
