Exposure
ID
MATIS.2020-12-18T04:45:26.587_1
Header ID
MATIS.2020-12-18T04:45:26.587
Date updated
2020-12-18 05:00:53 UTC+0000
Release date
2021-12-18 05:00:53 UTC+0000
UTC Start
2020-12-18 04:45:26.587
UTC End
2020-12-18 04:46:26.563
MJD Start
59201.19822439
MJD End
59201.1989185567
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0077675
Ambient temperature (°C)
13.19
Seeing (arcsec)
0.475
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 68.3480 68.3470 271.5000 271.4000
K0-D0 94.2930 94.3670 253.8000 253.8000
K0-J3 50.0660 50.0070 328.6170 328.6970
G2-D0 35.7640 35.8120 218.4000 218.5000
G2-J3 58.8860 58.9680 45.8550 45.9000
D0-J3 94.4630 94.5940 43.0500 43.1030
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 59201.19822439
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 68.348
HIERARCH ESO ISS PBL12 END 68.347
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 94.293
HIERARCH ESO ISS PBL13 END 94.367
HIERARCH ESO ISS PBLA13 START 253.8
HIERARCH ESO ISS PBLA13 END 253.8
HIERARCH ESO ISS PBL14 START 50.066
HIERARCH ESO ISS PBL14 END 50.007
HIERARCH ESO ISS PBLA14 START 328.617
HIERARCH ESO ISS PBLA14 END 328.697
HIERARCH ESO ISS PBL23 START 35.764
HIERARCH ESO ISS PBL23 END 35.812
HIERARCH ESO ISS PBLA23 START 218.4
HIERARCH ESO ISS PBLA23 END 218.5
HIERARCH ESO ISS PBL24 START 58.886
HIERARCH ESO ISS PBL24 END 58.968
HIERARCH ESO ISS PBLA24 START 45.855
HIERARCH ESO ISS PBLA24 END 45.9
HIERARCH ESO ISS PBL34 START 94.463
HIERARCH ESO ISS PBL34 END 94.594
HIERARCH ESO ISS PBLA34 START 43.05
HIERARCH ESO ISS PBLA34 END 43.103
HIERARCH ESO ISS AMBI TAU0 START 0.007488
HIERARCH ESO ISS AMBI TAU0 END 0.008047
HIERARCH ESO ISS AMBI TEMP 13.19
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.47