[Aavso-photometry] Single Measurement vs. Time Series

[Michael Newberry]

I'm not sure what you mean. The new extended report format doesn't 
distinguish between a time series of 1 object and some number of 
measurements of a mixture of different objects. Each measurement includes a 
standard, multiuple standards (ensemble), and/or a check star, but doesn't 
identify whether that measurement belongs to a series.

Michael

----- Original Message ----- 
From: "Steven Orlando" <sorlando at sorlando.com>
To: <aavso-photometry at mira.aavso.org>
Sent: Saturday, April 12, 2008 10:02 AM
Subject: Re: [Aavso-photometry] Single Measurement vs. Time Series


>
> ----- Original Message ----- 
> From: "Steven Orlando" <sorlando at sorlando.com>
> To: "Yenal Ogmen" <yenalogmen at yahoo.com>; <photometry at mira.aavso.org>
> Sent: Saturday, April 12, 2008 12:32 PM
> Subject: Re: [Aavso-photometry] Single Measurement vs. Time Series
>
>
>> Is it possible to report as a time series? Amd of so, how?
>>
>> Steve
>> ----- Original Message ----- 
>> From: "Yenal Ogmen" <yenalogmen at yahoo.com>
>> To: "AAVSO Photometry" <aavso-photometry at mira.aavso.org>
>> Sent: Saturday, April 12, 2008 11:39 AM
>> Subject: Re: [Aavso-photometry] Single Measurement vs. Time Series
>>
>>
>> Hi all, I wanted to add related question to Richard's
>> one: when doing single measurement, is it better to
>> calculate stdev of check star from 5 frames or
>> calculate K-C from that 5 frame as an error?
>>
>> Thank you.
>>
>> --- Richard 'Doc' Kinne <rkinne at aavso.org> wrote:
>>
>>> Dear All,
>>>
>>>      in January I made a short series, about 75
>>> minutes in length, of
>>> images of Z AND.  Due to time constraints I reported
>>> a single
>>> observation to HQ with an error of 0.010 mags
>>> derived from the
>>> standard deviation of K-C from the first 4
>>> measurements.  I revisited
>>> the series and did measurements on the series at 2
>>> minute intervals,
>>> obtaining a std dev of K-C of 0.027 mags for 32
>>> measurements.
>>> Initially, the comp and check star mags were
>>> relatively steady around
>>> 9.1 and 11.2, but then started to drop off to 9.4
>>> and 11.5 at the mid
>>> point, and then rapidly fall to 10.2 and 12.4 at the
>>> end.  Z AND
>>> shows no significant variation throughout in
>>> relation to the comp and
>>> check stars, meaning it tracks their behavior.
>>>
>>>        I am looking for recommendations on whether
>>> or not to report
>>> this as a time series, or just let the single
>>> observation stand.
>>> Thanks.
>>>
>>>
>>> Rich Harvan HAV
>>>
>>>
>>>
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>>
>>
>> Yenal Öðmen
>>  Green Island Observatory Homepage
>> www.geocities.com/yenalogmen
>> Geçitkale
>> North Cyprus
>>
>>
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