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Profile Leonid Elenin
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Message 430 - Posted: 10 Dec 2012, 19:14:56 UTC

Greetings A@H Team!

I have a few questions.

1. What lightcurves do you use? Do you use ALCDEF from MPC site?
2. Do you really work with photometric data from big surveys?
3. How and where I can post my LC for your project? It will be useful or not?


TIA,
Leonid Elenin
ISON-NM Observatory (H15)

Josef Durech
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Message 432 - Posted: 10 Dec 2012, 23:05:12 UTC - in response to Message 430.

1. What lightcurves do you use? Do you use ALCDEF from MPC site?

Now we use sparse-in-time photometry from astrometric surveys. For lightcurve inversion, we also use lightcurves from ALCDEF/MPC but they are processed at the computational cluster Tiger of the Astronomical Institute, Charles University in Prague, because their analysis is not so time-consuming.

2. Do you really work with photometric data from big surveys?

Yes, we do.

3. How and where I can post my LC for your project? It will be useful or not?

Post your lightcurves at ALCDEF/MPC. Sooner or later we will download them, combine them with other available data, and try to derive a model. If we succeed, the model will be posted on DAMIT http://astro.troja.mff.cuni.cz/projects/asteroids3D.

Profile Leonid Elenin
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Message 434 - Posted: 11 Dec 2012, 5:50:38 UTC - in response to Message 432.

Thanks for answers Dr. Durech.

Profile Leonid Elenin
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Message 438 - Posted: 11 Dec 2012, 17:33:20 UTC - in response to Message 434.

2. Do you really work with photometric data from big surveys?

Yes, we do.


Do you use photometric data from all observers who send measurements to MPC?

Josef Durech
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Message 440 - Posted: 11 Dec 2012, 20:53:58 UTC - in response to Message 438.

2. Do you really work with photometric data from big surveys?

Yes, we do.


Do you use photometric data from all observers who send measurements to MPC?


We don't use all data from MPC, just a subset - outliers were removed and the data re-calibrated by Edward Bowell from Lowell Observatory.


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