Exposure
ID
MATIS.2020-12-21T05:55:30.761_1
Header ID
MATIS.2020-12-21T05:55:30.761
Date updated
2020-12-21 06:05:59 UTC+0000
Release date
2021-12-21 06:05:59 UTC+0000
UTC Start
2020-12-21 05:55:30.761
UTC End
2020-12-21 05:56:30.747
MJD Start
59204.24688381
MJD End
59204.2475780924
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003213
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.735
Observation
ID
46197
Category
science
Program ID
106.21L4.004
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 64.0910 63.9860 268.8000 268.8000
K0-D0 94.8800 94.8190 251.3000 251.2000
K0-J3 45.1400 45.0830 337.6010 337.7500
G2-D0 38.8980 38.9250 221.5000 221.5000
G2-J3 63.6730 63.7060 47.4130 47.4130
D0-J3 102.4420 102.5030 45.1690 45.1750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59204.24688381
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 64.091
HIERARCH ESO ISS PBL12 END 63.986
HIERARCH ESO ISS PBLA12 START 268.8
HIERARCH ESO ISS PBLA12 END 268.8
HIERARCH ESO ISS PBL13 START 94.88
HIERARCH ESO ISS PBL13 END 94.819
HIERARCH ESO ISS PBLA13 START 251.3
HIERARCH ESO ISS PBLA13 END 251.2
HIERARCH ESO ISS PBL14 START 45.14
HIERARCH ESO ISS PBL14 END 45.083
HIERARCH ESO ISS PBLA14 START 337.601
HIERARCH ESO ISS PBLA14 END 337.75
HIERARCH ESO ISS PBL23 START 38.898
HIERARCH ESO ISS PBL23 END 38.925
HIERARCH ESO ISS PBLA23 START 221.5
HIERARCH ESO ISS PBLA23 END 221.5
HIERARCH ESO ISS PBL24 START 63.673
HIERARCH ESO ISS PBL24 END 63.706
HIERARCH ESO ISS PBLA24 START 47.413
HIERARCH ESO ISS PBLA24 END 47.413
HIERARCH ESO ISS PBL34 START 102.442
HIERARCH ESO ISS PBL34 END 102.503
HIERARCH ESO ISS PBLA34 START 45.169
HIERARCH ESO ISS PBLA34 END 45.175
HIERARCH ESO ISS AMBI TAU0 START 0.003213
HIERARCH ESO ISS AMBI TAU0 END 0.003213
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.7