[Comm2011] Dome lamp shutting off after 10 minutes during Gain?

Andrea Baruffolo Andrea.Baruffolo at oapd.inaf.it
Wed Aug 10 16:41:08 CEST 2011


Hi,

it was my fault, sorry. I forgot one step in the configuration of the new
timeout, so the old one was still in.
Now it's ok (3 hrs, I double checked this time ;-).

sorry again,
cheers, 
Andrea

> -----Original Message-----
> From: Steffen Mieske [mailto:smieske at eso.org]
> Sent: Wednesday, August 10, 2011 11:31 AM
> To: Ewout M. Helmich
> Cc: John P. McFarland; Muschielok Bernard; D.R. Boxhoorn; OmegaCAM
> Commissioning 2011 mailinglist; Andrea Baruffolo
> Subject: Re: [Comm2011] Dome lamp shutting off after 10 minutes during
> Gain?
> 
> Hi Ewout,
> 
> the 1hr limit was still in place this morning, so you will see some of
> the V-band domeflats with 0.2s integration without the lamp. But it will
> be fixed very soon.
> 
> Cheers,
> Steffen
> 
> On 08/10/11 05:18, Ewout M. Helmich wrote:
> > Hi Steffen,
> >
> > Just to confirm: the 2 gain sequences where the lamp shut off are
> > after a long sequence of dome flats in u, g, r, i, z and composite,
> > with no dark in between. Indeed, the 1 hr. mark is in the middle of
> > both gain templates.
> >
> > Ewout
> >
> > On 08/09/2011 06:16 AM, Steffen Mieske wrote:
> >> Hi John,
> >>
> >> the reason for the strange exposure times was a 1 day 'glitch' in the
> >> FIERA software, which occured presumably due to a non 100% clean
> >> installation of a new FIERA software version. In particular, it is
> >> due to a wrong sign in the time recorded for the Shutter
> >> Opening/Closing. As a matter of fact, you will notice that all images
> >> taken between roughly 20:00 UT on August 2 and 3 have the exposure
> >> times wrong by +-0.804 s, which is the time of the shutter motion.
> >>
> >> As of August 4 the situation is stable, due to a clean restart of the
> >> software.
> >>
> >> Regarding the lamp switch off: this would up to today have happened
> >> every time that the lamp is in operation for more than one hour.
> >> There is an automatic time-out of 1hr, which is only reset when the
> >> lamp is switched on for the first time, but not if you take a
> >> sequence of flat images. Having said this, in normal daytime
> >> calibrations it should not have occured anyway, since the automatic
> >> calibrations would do a 1.5hr dark before the gain. It may be that
> >> the calibration OB was edited by hand on that day, omiting the darks,
> >> and resulting in a very long sequence of dome flats + gain, > 1h.
> >>
> >> Andrea has increased the timeout to 3 hrs, so I think we are fine.
> >>
> >> Cheers,
> >> Steffen
> >>
> >>
> >>
> >> On 08/08/11 18:23, John P. McFarland wrote:
> >>> Hi Steffen,
> >>>
> >>> The keyword treatment can wait unless the ingest problems can't be
> >>> fixed (highly unlikely that they can't).
> >>>
> >>> The integration times for 3 out of the last 5 gain templates have
> >>> those exact time sequences.  The exceptions are on the 3rd of August
> >>> as Ewout reported and the one for 1st July where the times look
> >>> good, just much longer (1-60 seconds).
> >>>
> >>> Cheers,
> >>>
> >>>
> >>> -=John
> >>>
> >>>
> >>> On Mon, 8 Aug 2011, Steffen Mieske wrote:
> >>>
> >>>> Hi John,
> >>>>
> >>>> Andrea implemented the default lamp keyword, as I had written to
> >>>> you. We can discuss again the issue of the individual lamp keywords
> >>>> with Andrea, at the time we agreed that this was low priority
> >>>> during OCAM3 since it is not lacking information as such. The
> >>>> permanent inclusion of this keywords with values either T/F is
> >>>> something I can also ask Paranal Software to implement after OCAM3,
> >>>> so no need for Andrea to do this now.
> >>>>
> >>>> The gain template issue is reaaaally strange, I will include it
> >>>> again in tomorrow's calibration.
> >>>>
> >>>> I first thought that the lamp switches off because there is some
> >>>> integration with EXPTIME=0 sec, some bias inbetween. But this
> >>>> should not the case according to the below content of the gain
> >>>> template that is used for the daily calibrations. Can you confirm
> >>>> that those are the integration times that you see in the normal
> >>>> case (the data from August 3 are not here anymore, so I cannot
> check)?
> >>>>
> >>>>
> >>>> # calib template OMEGACAM_img_cal_gain
> >>>> TPL.ID                   "OMEGACAM_img_cal_gain";
> >>>> TPL.NAME                 "Use Dome FF to check gain";
> >>>> TPL.MODE                 "FLAT";
> >>>> DET1.WIN1.UIT1           "0.2 4.3 4.0 0.3 0.7 3.5 2.7 0.1 1.4 2.1
> >>>> 2.1 1.4 0.1 2.7 3.5 0.7 0.3 4.0 4.3 0.2";
> >>>> SEQ.NEXPO                "20";
> >>>> INS.FILT.NAME            "z_SDSS";
> >>>> INS.LAMP.SET             "Default";
> >>>>
> >>>> Cheers,
> >>>> Steffen
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> On 08/08/11 15:14, John P. McFarland wrote:
> >>>>> Hi Ewout,
> >>>>>
> >>>>> I have asked Steffen to discuss with Andrea the logic of how the
> >>>>> lamp keywords are included.  If the logic is affecting the ingest
> >>>>> we need to either adapt or adjust the logic.
> >>>>>
> >>>>> Andrea and Steffen, have you come to any resolution concerning the
> >>>>> lamp keywords?  It seems to me that removal of the keywords is a
> >>>>> poor way to indicate the lamp is off.  I assume that is what the
> >>>>> state keyword (e.g., INS.LAMP1.ST) is meant to indicate.  Please
> >>>>> tell us of your ideas regarding this.  Thanks!
> >>>>>
> >>>>> Cheers,
> >>>>>
> >>>>>
> >>>>> -=John
> >>>>>
> >>>>>
> >>>>> On Mon, 8 Aug 2011, Ewout M. Helmich wrote:
> >>>>>
> >>>>>> Hi Bernard,
> >>>>>>
> >>>>>> It looks like all the gain templates for OCAM3 taken up to this
> >>>>>> point
> >>>>>> are wrong. After about 10 minutes, in the middle of the gain
> >>>>>> template,
> >>>>>> the lamp appears to shut down. Lamp header items then disappear,
> >>>>>> which
> >>>>>> resulted in errors during ingest here (note to Danny).
> >>>>>>
> >>>>>> Also, the first gain template taken during OCAM3 has strange
> >>>>>> exposure
> >>>>>> times (see below). The exposure times for the 2nd and 3rd
> >>>>>> template are ok.
> >>>>>>
> >>>>>> Ewout
> >>>>>>
> >>>>>> -------------------------------------------------------------------
> --
> >>>>>>
> >>>>>>
> >>>>>> # Filename, template.start, template.type, EXPTIME
> >>>>>>
> >>>>>> OMEGACAM.2011-08-03T13:22:00.734.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN -0.704
> >>>>>> OMEGACAM.2011-08-03T13:30:39.989.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN -0.604
> >>>>>> OMEGACAM.2011-08-03T13:19:06.032.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN -0.504
> >>>>>> OMEGACAM.2011-08-03T13:27:45.437.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN -0.104
> >>>>>> OMEGACAM.2011-08-03T13:24:54.515.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 0.596
> >>>>>> OMEGACAM.2011-08-03T13:25:37.206.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 0.904
> >>>>>> OMEGACAM.2011-08-03T13:16:51.761.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 1.004
> >>>>>> OMEGACAM.2011-08-03T13:28:30.448.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 1.104
> >>>>>> OMEGACAM.2011-08-03T13:23:28.225.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 1.296
> >>>>>> OMEGACAM.2011-08-03T13:19:50.152.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 1.504
> >>>>>> OMEGACAM.2011-08-03T13:26:17.436.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 1.896
> >>>>>> OMEGACAM.2011-08-03T13:22:41.584.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 2.204
> >>>>>> OMEGACAM.2011-08-03T13:20:30.803.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 2.696
> >>>>>> OMEGACAM.2011-08-03T13:24:11.945.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 2.904
> >>>>>> OMEGACAM.2011-08-03T13:29:11.268.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 3.196
> >>>>>> OMEGACAM.2011-08-03T13:17:32.721.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 3.496
> >>>>>> OMEGACAM.2011-08-03T13:21:14.223.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 3.504
> >>>>>> OMEGACAM.2011-08-03T13:27:01.517.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 4.304
> >>>>>> OMEGACAM.2011-08-03T13:18:20.842.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 4.804
> >>>>>> OMEGACAM.2011-08-03T13:29:55.428.fits 2011-08-03 13:12:39
> >>>>>> FLAT,DOME,DETGAIN 5.104
> >>>>>>
> >>>>>>
> >>>>>> awe> q = (RawFitsData.template.start ==
> >>>>>> dateutil.parser.parse('2011-08-05 15:17:32'))
> >>>>>> awe> for f in q.order_by('DATE_OBS'): print f.filename,
> >>>>>> len(RawDomeFlatFrame.raw_fits_data == f)
> >>>>>> ...
> >>>>>> OMEGACAM.2011-08-05T15:19:26.683.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:20:10.644.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:20:55.594.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:21:41.954.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:22:41.965.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:23:23.495.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:24:07.366.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:24:50.316.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:25:34.247.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:26:15.407.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:27:00.868.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:27:42.958.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:28:26.899.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:29:10.329.fits 32
> >>>>>> OMEGACAM.2011-08-05T15:29:52.919.fits 0
> >>>>>> OMEGACAM.2011-08-05T15:30:40.200.fits 0
> >>>>>> OMEGACAM.2011-08-05T15:31:23.560.fits 0
> >>>>>> OMEGACAM.2011-08-05T15:32:03.781.fits 0
> >>>>>> OMEGACAM.2011-08-05T15:32:47.751.fits 0
> >>>>>> OMEGACAM.2011-08-05T15:33:34.692.fits 0
> >>>>>>
> >>>>>> awe> q = (RawFitsData.template.start ==
> >>>>>> dateutil.parser.parse('2011-08-05 13:38:18'))
> >>>>>> awe> len(q)
> >>>>>> 20
> >>>>>> awe> for f in q.order_by('DATE_OBS'): print f.filename,
> >>>>>> len(RawDomeFlatFrame.raw_fits_data == f)
> >>>>>> ...
> >>>>>> OMEGACAM.2011-08-05T13:40:12.904.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:40:56.774.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:41:41.684.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:42:25.385.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:43:05.425.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:43:45.766.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:44:28.766.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:45:11.576.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:45:51.587.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:46:36.537.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:47:18.658.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:48:03.278.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:48:44.649.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:49:24.999.fits 32
> >>>>>> OMEGACAM.2011-08-05T13:50:10.539.fits 0
> >>>>>> OMEGACAM.2011-08-05T13:50:56.480.fits 0
> >>>>>> OMEGACAM.2011-08-05T13:51:41.590.fits 0
> >>>>>> OMEGACAM.2011-08-05T13:52:25.761.fits 0
> >>>>>> OMEGACAM.2011-08-05T13:53:12.371.fits 0
> >>>>>> OMEGACAM.2011-08-05T13:53:59.232.fits 0
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> Comm2011 mailing list
> >>>>>> Comm2011 at astro-wise.org
> >>>>>> http://listman.astro-wise.org/mailman/listinfo/comm2011
> >>>>>>
> >>>>>>
> >>>>
> >>>>
> >>>> --
> >>>> Dr. Steffen Mieske
> >>>> European Southern Observatory
> >>>> Alonso de Cordova 3107
> >>>> Vitacura, Santiago
> >>>> CHILE
> >>>> Tel.: +56 2 463 3118
> >>>> Fax: +56 2 463 3001
> >>>>
> >>>>
> >>
> >>
> 
> 
> --
> Dr. Steffen Mieske
> European Southern Observatory
> Alonso de Cordova 3107
> Vitacura, Santiago
> CHILE
> Tel.: +56 2 463 3118
> Fax: +56 2 463 3001




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