Date: Thu, 14 Mar 2013 09:35:07 -0700
Subject: Re: [sdss3-25mlog 1124] 2.5m obslog 20130313 (MJD 56365)
From: Stephen Bailey
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Done.
On Thu, Mar 14, 2013 at 7:20 AM, David Schlegel  wrote:
> Kaike,
>
> This is the continuing rare, saga of ticket #1559 (a timer wrap-around in
> the specMech code):
>    https://trac.sdss3.org/ticket/1559
>
> Thanks for drawing to our attention!  Stephen: We should fix these headers
> (sp1 only) + update
> the ticket.
>
> Thanks,
> -David
>
> On Mar 14, 2013, at 6:21 AM, Kaike Pan  wrote:
>
>
>
> HARTMANN:
> 10:07:50  boss exposure    4.0, file=158121
> 10:08:40  boss exposure    4.0, file=158122
> 10:10:10  hartSp2: r=-243, b=-0.8, txt=OK, sp2Temp = 6.1 ;
> 10:10:10  sos.sp2AverageMove = -243
> 10:10:13 motorPos.sp2.move:   -242,    -240,    -243;
> 10:10:13  hartSp1: r=-238, b=-0.8, txt=OK, sp1Temp = 6.6 ;
> 10:10:13  sos.sp1AverageMove = -145
> 10:10:17 motorPos.sp1.move:   -145,    -148,    -145;
>
> CALIBS:
> 10:10:44  boss exposure    4.0, file=158123
> 10:12:18  boss exposure   30.0, file=158124
>
> GSOGTF; clear skies, seeing is 1.3"
>
> File 158126 on SOS is showing red asterisks under the exposure time
> column.
> We're not sure what this means.  The images have been inspected visually
> on ds9
> and they look okay.  On sos3, doing a "list 56365", we get:
>
> 74 10:32 b1-00158126 18 6737 sci Out *******  28869  29408  29158
>    10:32 b2-00158126 18 6737 sci Out   900.9  31173  30587  31287
>    10:32 r1-00158126 18 6737 sci Out *******  28869  29408  29158
>    10:32 r2-00158126 18 6737 sci Out   900.9  31173  30587  31287
>
> We think something happened in the headers for sp2?  I could not find any
> explanation on the BOSS SOS documentation pages regarding the FITS headers
> and
> this exptime output.
>
> 10:16:17  boss exposure  900.0, file=158125
> 10:32:39  boss exposure  900.0, file=158126
> 10:49:01  boss exposure  900.0, file=158127
> 11:05:23  boss exposure  900.0, file=158128
>
> plate3 6737
>
> (S/N)^2 accumulated for plate 6737
>
>
> Hi Stephen,
>
>    Just for your information, frame 158126 seem to have incorrect
> information on its header (?),  SOS shows
> incorrect integration time  wrong time stamp on it. can you please let us
> know if you
> find the cause?
>
> SCIENCE-00158126 SKY/SEC 0.00 0.00 0.04 0.18 ******** 5.7 06:56 Z excellent
>
>
> I guess the time should be 10:56 instead of 06:56.
>
>   Thanks,
>
>   -kaike
>
>
>
>
>
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Done.On Thu, Mar 14, 2013 at 7:20 AM, Da=
vid Schlegel <djschlegel@lbl.gov> wrote:
Kaike,This is the c=
ontinuing rare, saga of ticket #1559 (a timer wrap-around in the specMech c=
ode):=A0 =A0https://trac.sdss3.org/ticket/1559
Thanks for drawing to our attention! =A0Stephen: We sho=
uld fix these headers (sp1 only) + updatethe ticket.Thanks,-David
On Mar 14, 2013, at 6:21 AM, Kaike Pan <kpan@apo.nmsu.edu> wrote:=
HARTMANN:10:07:50 =A0boss exposure =A0=A0=A04.0, file=3D158121 =
=A0=A0=A010:08:40 =A0boss exposure =A0=A0=A04.0, file=3D158122 =A0=A0=
=A010:10:10 =A0hartSp2: r=3D-243, b=3D-0.8, txt=3DOK, sp2Temp =3D 6.1 ;=
 =A010:10:10 =A0sos.sp2AverageMove =3D -243
10:10:13 motorPos.sp2.move: =A0=A0-242, =A0=A0=A0-240, =A0=A0=A0-243; =A010:10:13 =A0hartSp1: r=3D-238, b=3D-0.8, txt=3DOK, sp1Temp =3D 6.6 ; =
10:10:13 =A0sos.sp1AverageMove =3D -14510:10:17 motorPos.sp1.move: =A0=
=A0-145, =A0=A0=A0-148, =A0=A0=A0-145; =A0
CALIBS:10:10:44 =A0boss exposure =A0=A0=A04.0, file=3D158123 =A010:=
12:18 =A0boss exposure =A0=A030.0, file=3D158124 GSOGTF; clear skie=
s, seeing is 1.3&quot;File 158126 on SOS is showing red asterisks u=
nder the exposure time column.
We&#39;re not sure what this means. =A0The images have been inspected visua=
lly on ds9and they look okay. =A0On sos3, doing a &quot;list 56365&quot=
;, we get: 74 10:32 b1-00158126 18 6737 sci Out ******* =A028869 =
=A029408 =A029158 =A0=A0=A0=A0
 =A0=A0=A010:32 b2-00158126 18 6737 sci Out =A0=A0900.9 =A031173 =A030587 =
=A031287 =A0=A0=A0=A0 =A0=A0=A010:32 r1-00158126 18 6737 sci Out ******=
* =A028869 =A029408 =A029158 =A0=A0=A0=A0 =A0=A0=A010:32 r2-00158126 18=
 6737 sci Out =A0=A0900.9 =A031173 =A030587 =A031287 =A0=A0=A0=A0
We think something happened in the headers for sp2? =A0I could not find=
 anyexplanation on the BOSS SOS documentation pages regarding the FITS =
headers andthis exptime output.10:16:17 =A0boss exposure =A0900=
.0, file=3D158125 =A0
10:32:39 =A0boss exposure =A0900.0, file=3D158126 =A010:49:01 =A0boss e=
xposure =A0900.0, file=3D158127 =A011:05:23 =A0boss exposure =A0900.0, =
file=3D158128 =A0plate3 6737(S/N)^2 accumulated for plate 6=
737 =A0
Hi Stephen,=A0 =A0Just for your in=
formation, frame 158126 seem to have incorrect information on its header (?=
),=A0=A0SOS shows=A0incorrect integration time =A0wrong time sta=
mp on it. can you please let us know if you=A0
find the cause?=A0SCIENCE-0=
0158126  SKY/SEC      0.0=
0
     0.00      0.04      =
0.18  ********     5.7  06:56 Z
 excellent I gues=
s the time should be 10:56 instead of 06:56.
=A0 Thanks,=
=A0 -kaike
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