FM Walter 3/25/04 SMARTS 1.5m Service Observing Program 040331 --- EPHEMERIS INFORMATION --- For the night of: Wed, 2004 Mar 31 ---> Thu, 2004 Apr 1 Local midnight = 2004 Apr 1, 4 hr UT, or JD 2453096.667 Local Mean Sidereal time at midnight = 11 56 10.0 Sunset ( 2215 m horizon): 18 47 CST; Sunrise: 6 47 CST Evening twilight: 20 00 CST; LMST at evening twilight: 7 55 Morning twilight: 5 35 CST; LMST at morning twilight: 17 32 Moonset : 2 55 CST Moon at civil midnight: illuminated fraction 0.787 4.3 days until full moon, RA and dec: 9 25 16, 21 07.3 The sun is down for 12.0 hr; 9.6 hr from eve->morn 18 deg twilight. .............................................................................. Civil date Setup Program(s) Mar 31 26/I STSI 04a-02 STSI 04a-03 STSI 04a-11 SUNY 04a-01 SUNY 04a-02 SUNY 04a-10 SUNY 04a-11 YALE 04a-07 YALE 04a-11 YALE 04a-99 .............................................................................. Name Slit Filter Coll Grating Tilt & Comp,exp Ystart Ysize Yspec Blaze w.l. cov. (sec) Res (A) 26/I 110.5 clear 565 26 15.93 He-Ar 30 214 280 " 3550 3532-5300 4.3 .............................................................................. General notes: 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. For now I am allotting the nominal overheads, plus 30 minutes for a change in the grating tilt/filter. .............................................................................. In afternoon or during dinner: - Install 26/I grating setup - check focus if necessary - obtain at least 25 Zero frames - obtain at least 5, 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 CST Rem STSI 03b-02 2 40 Eri C 04 15 18.5 -07 39 07 11.2 3x300 1 24 19 21 STSI 04a-03 1 V838 Mon 07 04 04.8 -03 50 50 15.6 3x900 2 55 19 45 STSI 04a-03 1 mu CMa 06 56 06.6 -14 02 36 5.0 3x 8 2 10 20 40 R YALE 04a-99 1 HR 4252 10 53 32.8 -15 26 44 6.38 3x 60 1 9 20 50 YALE 04a-99 2 HR 4266 10 54 29.6 -61 49 36 5.93 3x 45 1 9 20 59 cal 1 LTT 4364 11 45 37.7 -64 50 25.1 11.5 3x240 1 21 21 8 YALE 04a-11 2 RR_184 12 09 15.75 -01 54 44.1 15.7 3x600 2 39 21 29 YALE 04a-11 1 RR_218 12 44 29.71 -02 04 49.8 14.7 3x400 2 29 22 8 SUNY 04a-01 1 V834 Cen 14 09 07.5 -45 17 17.1 14 3x400 1 29 22 37 STSI 03b-02 1 Prox Cen 14 29 42.9 -62 40 46 11.0 3x400 1 29 23 6 YALE 04a-07 2 CTS 300 11 28 18.6 -13 19 28 16.4 3x1200 1 69 23 35 G YALE 04a-11 1 RR_376 14 57 19.74 -00 53 27.8 15.6 3x600 2 39 0 44 YALE 04a-11 1 RR_448 15 56 57.56 -00 16 02.6 15.9 3x800 2 49 1 23 YALE 04a-11 1 HD_140283 15 43 03.10 -10 56 00.6 7.24 3x 40 2 13 2 12 YALE 04a-07 1 CTS 536 14 01 49.2 -24 55 30 16.5 3x1200 1 69 2 25 G STSI 04a-11 + Abell 41 17 29 02.1 -15 13 04 15.6 4x600 3 51 3 34 SUNY 04a-02 2 EX Lup 16 03 05.48 -40 18 25.9 11.4 3x400 1 29 4 25 SUNY 04a-10 1 S CrA 19 01 08.7 -36 57 19.8 11 3x300 1 24 4 54 SUNY 04a-01 2 QS Tel 19 38 35.73 -46 12 56.5 16 3x400 1 29 5 18 SUNY 04a-11 1 V5114 Sag 18 19 32.3 -28 36 35.7 10 3x120 1 15 5 47 N3 STSI 04a-07 2 mu Aql 19 34 05.4 +07 22 44 4.4 3x 7 1 10 6 2 end 6 12 If there is any time left before dawn, select from among the following: SUNY 04a-10 3 TW Hya 11 01 51.9 -34 42 17.0 11 3x300 1 24 YALE 04a-11 3 RR_466 16 12 44.52 -00 21 44.0 15.4 3x600 2 39 SUNY 04a-10 3 V1121 Oph 16 49 15.3 -14 22 08.6 12 3x300 1 24 SUNY 04a-10 3 V4046 Sgr 18 14 10.5 -32 47 34.5 11 3x300 1 24 STSI 04a-03 3 V4745 Sgr 18 40 02.5 -33 26 55 ~11 3x250 1 33 nova STSI 04a-04 3 V1216 Sgr 18 49 49.4 -23 50 10 10.5 3x300 1 24 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 you do not see the star in the acquisition TV M*: moon within 5 degrees. Skip if you do not see the star in the acquisition TV A. Target is central star of a planetary nebula. The nebula is faint and may not be visible on the TV. Observing sequence: Comp spectrum, 2x600, comp, 2x600, comp. Observation must be centered about 0745 UT (0345 CST) If necessary, juggle targets so you start between 0315 and 0340 CST. C: cataclysmic variable. May be fainter than in finding chart. Skip if not visible. If visible but much fainter than on chart, increase exposure times to 3x600. F: faint target may be hard to see with full moon up. G: galaxy. May be hard to see with full moon up. If not visible, replace with TW Hya and then fill end of night as necessary. I've put this as late in the night as I to avoid the moon. N: eruptive variable. Finding chart is in www.astro.sunysb.edu/fwalter/SMARTS/FC/iras05436.jpg N3: formerly Nova Sag 2004 X: X-ray nova. May fade. Finding chart is http://www.astro.yale.edu/buxton/smarts/find_charts/J1628.html R: radial velocity standard for STSI programs. 3: 5 arcsec SE of brighter star. **: may have significant proper motion. -------------------------------------------------------------------- General Notes: Astronomical ephemerides are from SKYCAL,by John Thorstensen Pri: Target priority. + = observe at all costs! 1 = observe object if possible 2 = extra targets; observe only if no Priority 1 target is available 3 = backup/filler targets; low priority Cmp: 1 means take comparison spectrum only before target exposures; 2 means before and after .............................................................................. Notes about finding charts: RA & Dec: all coordinates are accurate to 1"; charts can be generated by operator as necessary using LEDAS or DSS. Charts for many objects should be available at the telescope. SUNY 04a-01: Finding charts are available at http://www.astro.sunysb.edu/fwalter/SMARTS/2003B/suny03b-01.tar.gz Chart for V834 Cen is at http://www.astro.sunysb.edu/fwalter/SMARTS/FC/V834_Cen.jpg SUNY 04a-02: Finding charts are available at http://www.astro.sunysb.edu/fwalter/SMARTS/2003B/suny03b-02.tar.gz Chart for EX Lup is at http://www.astro.sunysb.edu/fwalter/SMARTS/FC/exlup_fc.ps Chart for IRAS05436 is at http://www.astro.sunysb.edu/fwalter/SMARTS/FC/iras05436.jpg SUNY 04a-03: Finding charts for the KWW targets are available in http://www.astro.sunysb.edu/fwalter/SMARTS/FC/kww_fc.tar.gz (6 jpeg images) SUNY 04a-12: Finding charts are in http://www.astro.sunysb.edu/fwalter/SMARTS/FC/suny-012.tar.gz YALE 04a-99: Finding charts is at http://www.astro.yale.edu/buxton/smarts/find_charts/J1628.html .............................................................................. Questions may be addressed to: Howard Bond bond@stsci.edu (STSI programs) Nolan Walborn walborn@stsci.edu (program STSI 04a-05) Fred Walter fwalter@astro.sunysb.edu (SUNY programs)