FM Walter 6/03/07 rev 0617 SMARTS 1.5m Service Observing Program 070620 --- EPHEMERIS INFORMATION --- For the night of: Wed, 2007 Jun 20 ---> Thu, 2007 Jun 21 Local midnight = 2007 Jun 21, 4 hr UT, or JD 2454272.667 Local Mean Sidereal time at midnight = 17 12 39.1 Sunset ( 2215 m horizon): 17 59 CST; Sunrise: 7 31 CST Evening twilight: 19 16 CST; LMST at evening twilight: 12 28 Morning twilight: 6 13 CST; LMST at morning twilight: 23 27 Moonset : 23 40 CST Moon at civil midnight: illuminated fraction 0.360 1.4 days before first quarter, RA and dec: 10 57 26, 6 22.4 The sun is down for 13.5 hr; 10.9 hr from eve->morn 18 deg twilight. .......................................................................... Civil date Setup Program(s) June 20 47/Ib NOAO 07a-0112 47/IIb NOAO 07a-0256 NOAO 07a-0502 SUNY 07a-11 SUNY 07a-14 .............................................................................. Name Slit Filter Coll Grating Tilt & Comp,exp Ystart Ysize Yspec Blaze w.l. cov. (sec) Res (A) 47/IIb 83.0 CuSO4 620 47 28.22 He-Ar 45 200 280 3550 4058-4732 1.6 47/Ib 110.5 GG495 595 47 22.64 Neon 20 200 280 164 7100 5652-6972 3.1 .............................................................................. In afternoon or during dinner: - Install 47/IIb grating setup - check focus if necessary - obtain at least 25 Zero frames - obtain at least 10, preferably 25, flat-field frames (projector or dome) Get well-exposed TWILIGHT SPECTRA at zenith at beginning of night. Aim for three spectra, each with between 5,000 and 30,000 counts per pixel. ---------------------------------------------------------------------------- Program Pri Target RA (J2000) Dec mag Exp Cmp T CDT Rem cal 1 LTT 4364 11 45 37.70 -64 50 25.1 11.5 3x 180 1 18 18 38 NOAO 7a-256 2 HD 116852 13 30 23.5 -78 51 20.5 8.5 3x 600 2 40 18 56 N0AO 7a-112 1 Pis24sm25 17 25 14.33 -34 04 56.3 14.7 5x1800 2 162 19 36 E NOAO 7a-224 1 N 6530 W57 18 04 21.8 -24 15 46.9 13.7 7x 600 1 83 22 18 NOAO 7a-224 2 N 6530 W75 18 04 28.6 -24 18 56.5 14.2 8x 600 1 94 23 41 end 47/IIb 1 15 ****************** GRATING TILT, FILTER, etc., CHANGE ****************** When the above list has been finished, change the grating tilt, filter, slit, comparison source, possibly the collimator focus, etc., to the 47/Ib setup. SUNY 07a-11 1 N Nor 2007 16 32 11.51 -45 9 13 10.2 3x 100 1 14 1 40 NN NOAO 7a-502 1 ESO 137-001 16 13 27.3 -60 45 51 16 4x1500 1 111 1 54 S3 NOAO 7A-502 1 WKK 6166 16 13 10.1 -60 45 04 15.8 2x1200 1 44 3 45 W S3a SUNY 07a-14 1 TY_7892_2635 17 37 55.89 -42 19 27.7 11.6 2x 300 1 18 4 29 SUNY 07a-14 2 TY_9073_762 18 46 52.55 -62 10 35.8 12.2 2x 300 1 18 4 47 SUNY 07a-14 2 TY_7408_54 18 50 44.47 -31 47 46.8 11.3 2x 300 1 18 5 5 cal 1 Feige 110 23 19 58.39 -05 09 55.8 11.8 3x 180 1 18 5 23 SUNY 07a-14 1 TY_6349_200 20 56 2.70 -17 10 53.2 10.6 2x 240 1 16 5 41 SUNY 07a-14 2 TY_9114_1267 21 21 28.59 -66 55 5.5 10.6 2x 240 1 16 5 57 SUNY 07a-14 1 TYC_9340_437 22 42 48.75 -71 42 20.8 10.5 2x 240 1 16 6 13 SUNY 07a-14 2 TYC_5820_361 23 4 45.02 -8 34 29.3 11.1 2x 300 1 16 6 29 SUNY 07a-14 2 TY_7457_641 20 45 9.35 -31 20 24.1 8.8 2x 180 1 14 6 45 end 47/Ib 6 59 If there is any time left before dawn, or you get ahead and have to wait for targets to rise, or if some targets are too faint to acquire, please select from among the following 47/Ib targets: SUNY 07a-14 3 TYC_6806_631 16 24 2.07 -29 10 43.7 10.2 2x 240 1 16 SUNY 07a-14 3 TY_6819_5110 17 6 47.41 -27 36 39.7 10.5 2x 240 1 16 SUNY 07a-10 3 S CrA 19 01 08.7 -36 57 19.8 11 3x 300 1 24 SUNY 07a-14 1 TY_7443_1102 19 56 4.35 -32 7 37.2 11.8 2x 300 1 18 SUNY 07a-14 1 TY_7460_137 20 41 50.99 -32 26 3.7 11.2 2x 300 1 18 SUNY 07a-14 3 TY_7491_206 21 49 50.53 -32 50 41.8 11.7 2x 300 1 18 STSI 07a-14 3 NGC 246 0 47 03.4 -11 52 19 11.8 3x 300 2 25 standard 3 HD 14386 2 19 20.8 -02 58 39.5 3.0 3x 2 1 9 Just before sunrise, get well-exposed TWILIGHT SPECTRA at zenith. Aim for 3-5 spectra, each with between 5,000 and 30,000 counts per pixel. -------------------------------------------------------------------- Remarks: M: moon within 10 degrees. Skip if the star is not seen in the acquisition TV B: very bright star: best observed through clouds. C: cataclysmic variable. May be fainter than in finding chart. Skip if not visible. E: may be below the east limit if you get to it early. F: faint target may be hard to see with moon up. N: Nova. Will be fainter than on finding chart. R: radial velocity standard. S3: set slit width to 3.0 arcsec. Check finding chart for slit placement: The slit should be placed in the position shown on the finding chart. The offset of the slit from the offset stars on chart is: #1: 4.2" south; #2: 11.8" north; #3: 6.5" north #4: 8.0" south; #5 2.6" south *** Select only ONE offset star. DO NOT MOVE THE SLIT ON THE SKY ONCE IT IS CENTERED *** S3a: set slit width to 3.0 arcsec; check finding chart for slit placement. S4: set slit width to 4.0 arcsec. S10: set slit width to 10.0 arcsec. Please reset at the end of the observation. TC: time critical. maintain spacing between the 3 images W: target reaches 2 air masses at end of exposure. Do not start late; do the calibration lamp at the end. X: If running 10 minutes or more ahead at this point, increase exposure lengths to 600 seconds. Y: 5 arcsec SE of brighter star. Skip if not clearly resolved. -------------------------------------------------------------------- General Notes: Astronomical ephemerides are from SKYCAL,by John Thorstensen Pri: Target priority. + = absolute highest priority 1 = observe object if possible 2 = extra targets; skip if running behind and Priority 1 targets remain unobserved. 3 = backup/filler targets; low priority Cmp: 1 means take comparison spectrum only before target exposures; 2 means before and after The T column lists the approximate time in minutes for this line. This includes 5 minutes acquisition plus 1 minute for the comparison. The CDT column is the approximate start time assumed for scheduling purposes. If you fall too far behind, you may need to drop some priority 2 or 3 targets, but otherwise don't pay too much attention to it. As I get experience with scheduling, I will try to make it more accurate. For now I am allotting the nominal overheads, plus 25 minutes for a change in the grating tilt/filter. .............................................................................. Notes about finding charts: RA & Dec: all coordinates are accurate to 1"; charts can be generated by operator as necessary using LEDAS or DSS. Most charts are available via the link from the main 1.5m scheduling page. Charts for most objects should be available at the telescope. .............................................................................. Questions may be addressed to: Howard Bond bond@stsci.edu (STSI programs) Fred Walter fwalter@astro.sunysb.edu (SUNY programs)