Project

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01082018

First-half night for DES

Observers

to get the names, check the shift table

  • Darren DePoy (Observer1)
  • Travis Prochaska (Observer2)
  • Jen Marshall (Run Manager)

Remote Support

  • Kathy Vivas (DECal engineering)

CTIO Staff

To get the names, check the "staff calendar":* Staff calendar

  • Manuel Hernandez - Obs. Support
  • Claudio Aguilera, Jackie Seron - TelOps
  • Javier Rojas - engineering support

Almanac

forgotten how to do this? Use ephem with kentools

mjd 58127, date 20180108, Site CTIO, UT-offset 3 hr
Current local time 16:00 CLST     UT 19:00     SidTim 21:30
Event      Local-Time  Greenwich  Sidereal-Time
Sunset     20:57 CLST  23:57 UT   02:27   37 deg  
Eve. -10   21:37 CLST  00:37 UT   03:08   47 deg  Zeropoint; standards
Eve. -14   21:59 CLST  00:59 UT   03:30   52 deg  Begin obstac
Eve. -18   22:23 CLST  01:23 UT   03:54   58 deg  Last chance standards
Moonrise   01:48 CLST  04:48 UT   07:19  110 deg  
Midpoint   01:50 CLST  04:50 UT   07:21  110 deg  
Morn -18   05:17 CLST  08:17 UT   10:47  162 deg  Begin astronomical twilight
Morn -14   05:40 CLST  08:40 UT   11:11  168 deg  End obstac; begin standards
Morn -10   06:03 CLST  09:03 UT   11:34  174 deg  
Sunrise    06:43 CLST  09:43 UT   12:14  184 deg  
Moon position (deg): RA 202.9, Dec -3.6 Phase: 0.501

Weather Conditions

  • at 4pm: Clear with clouds on horizon
  • at sunset: clouds moving overhead

as predicted by hourly forecast

  • clouds: Cloudy first half, then clearing
  • humidity: ~ 70%
  • temp: ~ 11°C
  • wind: 1 mph

Observing Plan and Goals for the Night

  • First half DES, second half DECal engineering
  • Evening standards (Yzirgu)
  • Yes low-z SN iuw
  • Obstac: SN, WF

forgotten how to do this? Use standards with kentools

  • 3 Evening standards
UT Date = '2018/01/09 00:37'     Local time = 21:37
SDSSJ0000-0000        ra 00:00:00  dec +00:00:00  secz 1.7
SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.4
SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  secz 1.2
  • 1 Midpoint standard
UT Date = '2018/01/09 01:50'     Local time = 22:50
SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  secz 1.2

When were the last SN fields observed?

forgotten how to do this? Instructions here

hex_name     seqtype     last_complete
SN-E2    short    2017-12-30 01:32:07.877484+00:00
SN-X3    long_i    2017-12-31 01:07:29.678521+00:00
SN-X3    long_z    2017-12-31 01:41:39.091440+00:00
SN-X3    long_g    2018-01-04 01:13:47.956719+00:00
SN-X3    long_r    2018-01-04 01:26:51.132492+00:00
SN-X1    short    2018-01-04 02:05:09.632821+00:00
SN-X2    short    2018-01-04 02:24:35.274427+00:00
SN-S2    short    2018-01-04 02:44:24.054685+00:00
SN-S1    short    2018-01-05 01:03:30.237750+00:00
SN-C3    long_r    2018-01-06 02:23:06.560239+00:00
SN-C3    long_i    2018-01-06 02:46:19.736243+00:00
SN-C3    long_z    2018-01-06 03:20:36.126637+00:00
SN-C1    short    2018-01-06 04:28:02.317808+00:00
SN-E1    short    2018-01-07 01:05:18.959843+00:00
SN-C2    short    2018-01-07 02:33:55.507283+00:00
SN-C3    long_g    2018-01-08 04:04:59.895995+00:00

Useful links

Nightsum | CTIO Night Report | DECam Logbook
Tololo Environmental Web Page | Detailed hourly forecast | Satellite maps