Version 3.0
Instrument parameter files can be splitted (typically grouped by site). They need to have the extension .instr (replace snoopy.default). Example.
TBD: default *.instr need to be verified/updated. See with eclist
Photometric zero point can be also splitted in separate files. Extension .zp (replace photo.log). Example
If not available for given instrument, assume ZP=21 and ignore color term correction
Extinction coefficients can also be splitted in separate files. Extension .kext (replace extinction.dat). Example
If not available for given site, skip extinction correction.
Parameter files are searched with the following order:
Special keywords:
If a keyword saturat and/or datamin is included in the fits file header, its value will supersedes that in the *.instr file
SN coordinate(s) file can contain many objects including multiple objects in the field and multiple fields. One object per line identified by a name. Additional target(s) in the same line are intended as SN companion star(s). Example
NB
The package adopts sextractor,ds9,iraf,fits image index convention (first pixel 1,1). Photutils and WCS adopt python index convention (first pixel 0,0).
ecsnoopy print this common list
eclist list and select files
--- Prepare images
ecmjd Compute MJD and update file keyword
ecastrometry Astrometry with scamp
ecastronet Astrometry with astronet
ecseeing Measure seeing
ecmask Build mask for bright stars (used by ecsndiff)
ecdither Combine dithered images.
eccosmics Cosmic rays correction (TBD)
--- Measure SN mag
ecsnfit SN psf fit: run ecpsf, ecfit, ecart on list of images
ecsndif Produce image difference and measure SN mag with psf fit
ectemplate Download templates for given position from PS1, ZFT, SkyMapper,
2mass
--- Calibration
ecph Measure standard field and derive zero points
ecrefstar Calibrate local reference stars
eczp Measure photometric zero point with reference to local or remote
catalogue
ecsncal Derive SN (and companion stars) apparent magnitude
--- Service
ecfindingchart Create finding chart with identification of local standards (TBD)
Help on command: add -h,
extended execution log (useful for debug) is provided with - - debug
Image list: all command works with image list. They can be either a list in a file (@nomefile) or line list (eg. sc1,sc2,sc3) or using wildcard (sc\* or “sc*”). .fits extension is optional. .sn,.psf,.res…. Files are skipped.
Minimum run
Images need to have astrometry.
eclist AS\* - in case there are ERROR they need to be addressed
ecsnfit AS\* sn.coo
ecsncal AS\*
Section is defined by [TELESCOPE,INSTRUME].
There can be multiple filter keywords, separated by commas.
[1.82m,AFOSC]
site: ASIAGO OPTIONAL default extinction coefficient 0. for all bands
saturat: 60000.
ra: RA
dec: DEC
datamin : 0 OPTIONAL default INDEF
epadu: 0.9 OPTIONAL default 1.0
ron: 7.8 OPTIONAL default 4.0
scale: 0.506
object: OBJECT OPTIONAL
exptime: EXPTIME
mjd: MJD
dateobs: DATE-OBS OPTIONAL
airmass: AIRMASS OPTIONAL default 1.0
filter: FILTER1,FILTER2
crota: ROTANGLE OPTIONAL default 0.0
seeing: SEEING
—------ one or more of the following
UBVRI: U,B,V,R,i
ugriz: u-Sloan,g-Sloan,r-Sloan,i-Sloan,z-Sloan
JHK: j,H,Kp
nonstd: Open,Y
### 1.82m,AFOSC 2020-04-02 58951.082
U UB 19.929 0.011 0.196 0.018
B BV 22.881 0.010 -0.016 0.009
V BV 23.706 0.011 0.065 0.013
V VR 23.705 0.012 0.103 0.027
R VR 23.492 0.007 -0.019 0.020
I RI 22.622 0.007 -0.107 0.021
u ug 22.679 0.048 0.078 0.022
g gr 24.602 0.045 0.057 0.020
r gr 24.382 0.037 0.089 0.005
r ri 24.400 0.037 0.089 0.023
i ri 24.104 0.056 0.061 0.008
z iz 23.481 0.025 0.160 0.090
Sections are identified by keyword site indicated in *.instr
[ASIAGO]
UBVRI: 0.58,0.29,0.16,0.12,0.08
ugriz: 0.59,0.24,0.15,0.11,0.14
Objects to be fitted are selected after checking that they occur in the selected field.
If more then one object are inside the field, they will be fitted sequentially.
sn1 11:18:53.156 +13:05:05.17 11:18:53.2 +13:05:15.17
sn2 11:19:00.156 +13:05:05.17
sn3 20:00:00.123 -50:00:00.20
INSTRUMENT NOTES
CHANGES
2.0
3.0
TBD
ecosmic
ecombine - compute average mjd