Exposure
ID
MATIS.2020-12-27T02:14:00.692_1
Header ID
MATIS.2020-12-27T02:14:00.692
Date updated
2020-12-27 02:26:13 UTC+0000
Release date
2021-12-27 02:26:13 UTC+0000
UTC Start
2020-12-27 02:14:00.692
UTC End
2020-12-27 02:15:00.668
MJD Start
59210.09306357
MJD End
59210.0937577367
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004755
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.88
Observation
ID
46212
Category
science
Program ID
106.21L4.001
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
34782
Name
alf_Ori
RA
88.791947
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2250 25.2190 136.1000 136.0000
A0-D0 25.0460 25.1290 73.9000 73.9000
A0-C1 21.9840 22.0050 116.4650 116.4060
B2-D0 25.9550 25.9790 14.6000 14.8000
B2-C1 8.6480 8.6560 14.5820 14.7520
D0-C1 17.3070 17.3230 194.6600 194.8300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59210.09306357
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.791947
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 25.225
HIERARCH ESO ISS PBL12 END 25.219
HIERARCH ESO ISS PBLA12 START 136.1
HIERARCH ESO ISS PBLA12 END 136.0
HIERARCH ESO ISS PBL13 START 25.046
HIERARCH ESO ISS PBL13 END 25.129
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 21.984
HIERARCH ESO ISS PBL14 END 22.005
HIERARCH ESO ISS PBLA14 START 116.465
HIERARCH ESO ISS PBLA14 END 116.406
HIERARCH ESO ISS PBL23 START 25.955
HIERARCH ESO ISS PBL23 END 25.979
HIERARCH ESO ISS PBLA23 START 14.6
HIERARCH ESO ISS PBLA23 END 14.8
HIERARCH ESO ISS PBL24 START 8.648
HIERARCH ESO ISS PBL24 END 8.656
HIERARCH ESO ISS PBLA24 START 14.582
HIERARCH ESO ISS PBLA24 END 14.752
HIERARCH ESO ISS PBL34 START 17.307
HIERARCH ESO ISS PBL34 END 17.323
HIERARCH ESO ISS PBLA34 START 194.66
HIERARCH ESO ISS PBLA34 END 194.83
HIERARCH ESO ISS AMBI TAU0 START 0.004755
HIERARCH ESO ISS AMBI TAU0 END 0.004755
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88