[Aavso-photometry] BZ UMa Update: 050120

Jeff Hopkins phxjeff at hposoft.com
Fri Jan 21 16:04:26 EST 2005


Nice job Michael!

Jeff

At 12:09 -0700 1/21/05, Michael Koppelman wrote:
>I made new plots of the outburst using all the AAVSO CCDV data. 
>These are binned to 0.01d. I adjusted two sets of observations by 
>0.05 to correct for what looks like a zeropoint difference. I did 
>not use the newest data from the quiescent level because it doesn't 
>bin well at this resolution.
>
>The binned plot on the magnitude scale is here:
>
>http://www.lolife.com/astronomy/bzuma/bz_bin.jpg
>
>The binned plot in a flux scale is here:
>
>http://www.lolife.com/astronomy/bzuma/bz_flux.jpg
>
>The flux here is from the Zombeck book and is what he describes as 
>"the spectral irradiance in erg cm^-2 s^-1 A^-1...at the top of the 
>Earth's atmosphere". It does not take interstellar reddening into 
>account either.
>
>Cheers,
>Michael Koppelman
>http://www.lolife.com/astronomy/

-- 
Jeff Hopkins
HPO SOFT
http://www.hposoft.com/Astro/astro.html

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