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JET_Input.txt
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###############################################################################
JET_Input.txt
###############################################################################
#
# Parameter Description User Input
#
Starting target from catalog for this run: , 5
Ending target from catalog: , 7
JWST instrument: , NIRSpec G395M
Wavelength short limit (microns): , 2.87
Wavelength long limit (microns): , 5.18
Jmag limit (Teff = 10000K): , 6.2
Jmag limit (Teff = 5000K): , 6.8
Jmag limit (Teff = 2500K): , 7.4
Detector linear response limit (% FW): , 80
Noise floor (nfloor) (ppm): , 25
R value of sim (Res): , 100
Number of dBIC samples for each ntr grid pt.: , 2000
Detection threshold (dBIC): , 10
Free model spectrum BIC parameters: , 5
Eq. of State (lo metal atm): , eos_5Xsolar_cond
Cloud_lo (Pa): , 0
Eq. of State (hi metal atm): , eos_1000Xsolar_cond
Cloud_hi (Pa): , 10000
Out of transit factor (% tdur): , 100
+ Out of transit "timing tax" (sec): , 6300
Slew duration avg. (sec): , 1800
SAMs: small angle maneuvers (sec): , 138
GS Acq: guide star acquisition(s)(sec): , 312
Targ Acq: target acquisition if any (sec): , 62
Exposure Ovhd: factor 1: , 0.0536
Exposure Ovhd: factor 2 (sec): , 0
Mech: mechanism movements (sec): , 220
OSS: Onboard Script System compilation (sec): , 58
MSA: NIRSpec MSA configuration (sec): , 0
IRS2: NIRSpec IRS2 Detector Mode setup (sec): , 217
Visit Ovhd: visit cleanup activities (sec): , 102
Obs Ovhd factor (%): , 16
DS Ovhd (sec): , 0
RunExoT (Y/N): , Y
RunPdxo (Y/N): , Y
RunRank (Y/N): , Y
# Only make changes to User Input values in rows 7 - 46, and cols 60 - 79!!
###############################################################################
# Reference Information
###############################################################################
#
# Table 1. Instrument configuration info for JET input
#
# Instrument reference info: Res nfloor JET/OK
#
# NIRCam F444W (2.40-5.00 microns) ( - ppm) no
# NIRCam F322W2 (2.40-5.00 microns) ( - ppm) no
# NIRSpec G140M/F070LP (0.70–1.27 microns) (100) (25 ppm) no
# NIRSpec G140H/F070LP (0.82–1.27 microns) ( hi) (25 ppm) no
# NIRSpec G140M/F100LP (0.97–1.87 microns) (100) (25 ppm) yes
# NIRSpec G140H/F100LP (0.97–1.31, 1.35–1.83 microns) ( hi) (25 ppm) no
# NIRSpec G235M/F170LP (1.66–3.12 microns) (100) (25 ppm) yes
# NIRSpec G235H/F170LP (1.66–2.20, 2.27–3.07 microns) ( hi) (25 ppm) no
# NIRSpec G395M/F290LP (2.87–5.18 microns) (100) (25 ppm) yes
# NIRSpec G395H/F290LP (2.87–3.72, 3.82–5.18 microns) ( hi) (25 ppm) no
# MIRI LRS (5.00-12.00 microns) ( 40) ( - ppm) no
# NIRISS SOSS_Or1 (0.83-2.81 microns) (100) (20 ppm) yes
# NIRISS SOSS_Or2 (0.60-1.40 microns) (20 ppm) no
#
#
# NIRSpec: using Bright Object Time Series (BOTS) mode
#
# Res: R value of simulation; not the native resolution of the instrument.
# Model has been down tothis resolution for consistency.
#
# nfloor: Multi-transit residual noise floor estimate for the various
# instrument/modes.
#
# JET/OK: Indicates whether this mode has been tested with JET.
#
###############################################################################
#
# Table 2. NIRSpec configurations and estimated brightness limits
#
# J Magnitude (Vega)
# Teff: 10,000K 5,000K 2,500K
# Disperser-filter
# PRISM/CLEAR 10.2 10.1 10.2
# G140M/F070LP 8.2 8.1 8.2
# G140M/F100LP 8.2 8.1 8.2
# G235M/F170LP 7.0 7.6 7.8
# G395M/F290LP 6.2 6.8 7.4
# G140H/F070LP 7.1 7.0 7.0
# G140H/F100LP 7.1 7.0 7.0
# G235H/F170LP 5.9 6.4 6.7
# G395H/F290LP 5.1 5.7 6.2
#
# † The SUB2048 subarray is assumed in all cases except for PRISM/CLEAR values
# that were determined using SUB512.
#
# These values are for gain = 2, and a conservative full well depth of 65,000.
#
# Ref.: STScI JWST User Documentation
# https://jwst-docs.stsci.edu/near-infrared-spectrograph/nirspec-
# observing-modes/nirspec-bright-object-time-series-spectroscopy
#
###############################################################################
#
# Table 3. NIRISS SOSS configurations and estimated brightness limits
#
# J Magnitude (Vega)
# Teff: 10,000K 5,000K 2,500K
# Subarray order Ngrps
# SUBSTRIP256 1 2 8.65 8.5 8.4
# SUBSTRIP256 2 2 7.35 7.2 7.1
# SUBSTRIP96 1 2 7.65 7.5 7.4
#
# Ref.: STScI JWST User Documentation
# https://jwst-docs.stsci.edu/near-infrared-imager-and-slitless-
# spectrograph/niriss-predicted-performance/niriss-bright-limits
#
###############################################################################
#
# Table 4. Observation Time Elements
#
# NIRSpec/BOTS NIRISS SOSS
# Out_trans_factor (% tdur) 100 100
# Timing_tax (sec) 6300 6300
# Slew_time (sec) 1800 1800
# SAMs (sec) 138 180
# GS_acq (sec) 312 312
# Targ_acq (sec) 62 346
# Exp_Ovhd_factor1 0.0536 0.3342
# Exp_Ovhd_factor2 (sec) 0 0
# Mech (sec) 220 116
# OSS (sec) 58 42
# MSA (sec) 0 0
# IRS2 (sec) 217 0
# Visit_Ovhd (sec) 102 78
# Obs_Ovhd_factor (%) 16 16
# DS_Ovhd (sec) 0 0
#
# Ref.: STScI JWST User Documentation
# https://jwst-docs.stsci.edu/observatory-functionality/jwst-observing-
# overheads-and-time-accounting-overview
#
# Instrument overhead times are based on a set of trial observing
# programs using the APT (http://www.stsci.edu/scientific-
# community/software/astronomers-proposal-tool-apt)
#
###############################################################################