From elt at astro.princeton.edu Wed Feb 11 12:56:59 2004 From: elt at astro.princeton.edu (Ed Turner) Date: Tue Feb 7 18:30:17 2006 Subject: [Lens] PU05 last night (fwd) Message-ID: I am forwarding this to the lens@astro mailing list, in part to see if it is working in its new incarnation. For those of you who already received a copy, please excuse the duplication. Ed ---------- Forwarded message ---------- Date: Wed, 11 Feb 2004 07:21:24 -0700 (MST) From: Bill Ketzeback To: elt@astro.princeton.edu, obs-spec@apo.nmsu.edu Subject: PU05 last night Obs-specs (and Ed) Most of these instructions go without saying but I thought I would type out what I did tonight so we can refine instructions as we continue to do this program. Please point out any mistakes I might have made. 1. Go to: http://www.astronomy.ohio-state.edu/~ckochanek/ a. Select 'delays' link at the low left frame b. Use the tool to generate a list of targets and their priorities c. Select the objects you wish to observe and print out finding charts 2. Make a TUI or Remark catalog file for your objects. 3. log into dryrot in 2 different windows. (One for spicam control) a. set the path to /export/images/Lens/utdate b. take 10 biases c. if first half take 3 to 5 flats in r' 4. Focus! Focus! Focus! a. Once get a good estimate of the current seeing you may want to redo #1. to refine priority list. 5. slew to your first target and center. Determine integration time to see object of interest. 6. in second dryrot window dryrot: cd Lens dryrot: mkLensScript (Follow instructions) Suggested values for some of the arguments: time: time,t needed to get a s/n of 10 to 20 for the lens components if you can see them at all. Brightest stars in field may saturate at this point. I was using 300s to reach Rmag ~ 20 cycles: number, n(t) times through a square dithering pattern (4 frames) to get a good s/n of >100 (for good photometry) it will be 100 < (s/n * 4 * cycles) size: Size of the dithering offset in arcsec. Ed suggests 10" should be fine. example: dryrot: mkLensScript pu05obj3 SDSS0903. 300 4 10 7. In spicam control window run script (input scriptname) example: spicam> input pu05obj3 8. Go to the Lens page and click Done for the object. The priority list will update. It is possible that others are observing objects as well so make sure your next object is still available to observe. If not choose your next favorite high priority object. 9. Repeat steps 4 - 7 for each target. 10. if morning take morning flats in r' 11. anonymous ftp the data to Ohio State cd to the directory with the data ftp ftp.astronomy.ohio-state.edu login: anonymous passwd: your email ftp> cd incoming/ckochanek ftp> bin ftp> prompt ftp> mput * 12. scp data to Princeton 13. write the data to a CDR. 14. Send an email to lens@astro.princeton.edu ckochanek@astronomy.ohio-state.edu From mcmillan at apo.nmsu.edu Sun Feb 15 01:12:55 2004 From: mcmillan at apo.nmsu.edu (Russet McMillan) Date: Tue Feb 7 18:30:17 2006 Subject: [Lens] test Message-ID: <20040215061255.5847724507@galileo.apo.nmsu.edu> This is a test message, since the observing specialists had a little trouble with our subscriptions last week. Sorry to inconvenience the others on the list... From dembicky at apo.nmsu.edu Tue Feb 17 08:30:59 2004 From: dembicky at apo.nmsu.edu (Jack Dembicky) Date: Tue Feb 7 18:30:17 2006 Subject: [Lens] PU04 lenses observed tonight. Message-ID: 12 of 13 observable lenses were observed tonight with around 1 arc sec seeing. Bias and r' flats were also taken. Data has been scp'ed to Princeton and ftp'ed to Ohio State. CD has been written and archived at APO. Jack Dembicky Observing Specialist II Apache Point Observatory