Exposure
ID
MATIS.2020-12-18T04:30:13.134_1
Header ID
MATIS.2020-12-18T04:30:13.134
Date updated
2020-12-18 04:46:10 UTC+0000
Release date
2021-12-18 04:46:10 UTC+0000
UTC Start
2020-12-18 04:30:13.134
UTC End
2020-12-18 04:31:13.120
MJD Start
59201.18765201
MJD End
59201.1883462924
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006221
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.525
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 68.1980 68.2170 271.9000 271.9000
K0-D0 92.9670 93.0680 254.1000 254.1000
K0-J3 50.9560 50.8980 327.4910 327.5650
G2-D0 35.0090 35.0610 217.3000 217.4000
G2-J3 57.5800 57.6710 45.0830 45.1430
D0-J3 92.3910 92.5340 42.1600 42.2290
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 59201.18765201
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 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 68.198
HIERARCH ESO ISS PBL12 END 68.217
HIERARCH ESO ISS PBLA12 START 271.9
HIERARCH ESO ISS PBLA12 END 271.9
HIERARCH ESO ISS PBL13 START 92.967
HIERARCH ESO ISS PBL13 END 93.068
HIERARCH ESO ISS PBLA13 START 254.1
HIERARCH ESO ISS PBLA13 END 254.1
HIERARCH ESO ISS PBL14 START 50.956
HIERARCH ESO ISS PBL14 END 50.898
HIERARCH ESO ISS PBLA14 START 327.491
HIERARCH ESO ISS PBLA14 END 327.565
HIERARCH ESO ISS PBL23 START 35.009
HIERARCH ESO ISS PBL23 END 35.061
HIERARCH ESO ISS PBLA23 START 217.3
HIERARCH ESO ISS PBLA23 END 217.4
HIERARCH ESO ISS PBL24 START 57.58
HIERARCH ESO ISS PBL24 END 57.671
HIERARCH ESO ISS PBLA24 START 45.083
HIERARCH ESO ISS PBLA24 END 45.143
HIERARCH ESO ISS PBL34 START 92.391
HIERARCH ESO ISS PBL34 END 92.534
HIERARCH ESO ISS PBLA34 START 42.16
HIERARCH ESO ISS PBLA34 END 42.229
HIERARCH ESO ISS AMBI TAU0 START 0.006221
HIERARCH ESO ISS AMBI TAU0 END 0.006221
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.56