Exposure
ID
MATIS.2020-12-18T05:51:37.656_1
Header ID
MATIS.2020-12-18T05:51:37.656
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 05:51:37.656
UTC End
2020-12-18 05:52:37.632
MJD Start
59201.24418583
MJD End
59201.2448799967
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0034225
Ambient temperature (°C)
12.06
Seeing (arcsec)
1.12
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 65.5560 65.4710 269.3000 269.3000
K0-D0 95.6160 95.5810 251.9000 251.9000
K0-J3 46.0460 45.9870 335.4850 335.6140
G2-D0 38.4420 38.4730 221.2000 221.3000
G2-J3 63.0760 63.1190 47.4240 47.4280
D0-J3 101.3780 101.4530 45.0820 45.0920
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 59201.24418583
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 65.556
HIERARCH ESO ISS PBL12 END 65.471
HIERARCH ESO ISS PBLA12 START 269.3
HIERARCH ESO ISS PBLA12 END 269.3
HIERARCH ESO ISS PBL13 START 95.616
HIERARCH ESO ISS PBL13 END 95.581
HIERARCH ESO ISS PBLA13 START 251.9
HIERARCH ESO ISS PBLA13 END 251.9
HIERARCH ESO ISS PBL14 START 46.046
HIERARCH ESO ISS PBL14 END 45.987
HIERARCH ESO ISS PBLA14 START 335.485
HIERARCH ESO ISS PBLA14 END 335.614
HIERARCH ESO ISS PBL23 START 38.442
HIERARCH ESO ISS PBL23 END 38.473
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.076
HIERARCH ESO ISS PBL24 END 63.119
HIERARCH ESO ISS PBLA24 START 47.424
HIERARCH ESO ISS PBLA24 END 47.428
HIERARCH ESO ISS PBL34 START 101.378
HIERARCH ESO ISS PBL34 END 101.453
HIERARCH ESO ISS PBLA34 START 45.082
HIERARCH ESO ISS PBLA34 END 45.092
HIERARCH ESO ISS AMBI TAU0 START 0.003289
HIERARCH ESO ISS AMBI TAU0 END 0.003556
HIERARCH ESO ISS AMBI TEMP 12.06
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.13