Exposure
ID
MATIS.2020-12-18T05:54:16.216_1
Header ID
MATIS.2020-12-18T05:54:16.216
Date updated
2020-12-18 06:05:51 UTC+0000
Release date
2021-12-18 06:05:50 UTC+0000
UTC Start
2020-12-18 05:54:16.216
UTC End
2020-12-18 05:55:16.192
MJD Start
59201.24602102
MJD End
59201.2467151867
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003762
Ambient temperature (°C)
11.95
Seeing (arcsec)
1.005
Observation
ID
46188
Category
science
Program ID
106.21L4.002
Program Title
IMAGING ONE OF THE BIGGEST STARS IN THE SKY WITH MATISSE, EPISODE 3
Program Type
GTO
PI / COI
MILLOUR/ CRUZALEBES/ CHIAVASSA/ MONTARGES/ MATTER/ BRUNO/ PETROV/ LAGADEC/ HRON/ WEIGELT
Target
ID
34773
Name
alf_Ori
RA
88.793067
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.3310 65.2410 269.2000 269.2000
K0-D0 95.5200 95.4800 251.8000 251.8000
K0-J3 45.8910 45.8310 335.8270 335.9580
G2-D0 38.5240 38.5550 221.3000 221.3000
G2-J3 63.1870 63.2290 47.4320 47.4320
D0-J3 101.5730 101.6470 45.1070 45.1120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59201.24602102
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 65.331
HIERARCH ESO ISS PBL12 END 65.241
HIERARCH ESO ISS PBLA12 START 269.2
HIERARCH ESO ISS PBLA12 END 269.2
HIERARCH ESO ISS PBL13 START 95.52
HIERARCH ESO ISS PBL13 END 95.48
HIERARCH ESO ISS PBLA13 START 251.8
HIERARCH ESO ISS PBLA13 END 251.8
HIERARCH ESO ISS PBL14 START 45.891
HIERARCH ESO ISS PBL14 END 45.831
HIERARCH ESO ISS PBLA14 START 335.827
HIERARCH ESO ISS PBLA14 END 335.958
HIERARCH ESO ISS PBL23 START 38.524
HIERARCH ESO ISS PBL23 END 38.555
HIERARCH ESO ISS PBLA23 START 221.3
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.187
HIERARCH ESO ISS PBL24 END 63.229
HIERARCH ESO ISS PBLA24 START 47.432
HIERARCH ESO ISS PBLA24 END 47.432
HIERARCH ESO ISS PBL34 START 101.573
HIERARCH ESO ISS PBL34 END 101.647
HIERARCH ESO ISS PBLA34 START 45.107
HIERARCH ESO ISS PBLA34 END 45.112
HIERARCH ESO ISS AMBI TAU0 START 0.003952
HIERARCH ESO ISS AMBI TAU0 END 0.003572
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 1.03