Exposure
ID
MATIS.2020-12-18T05:55:31.467_1
Header ID
MATIS.2020-12-18T05:55:31.467
Date updated
2020-12-18 06:10:54 UTC+0000
Release date
2021-12-18 06:10:54 UTC+0000
UTC Start
2020-12-18 05:55:31.467
UTC End
2020-12-18 05:56:31.443
MJD Start
59201.24689198
MJD End
59201.2475861467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0035885
Ambient temperature (°C)
12.04
Seeing (arcsec)
1.005
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 65.2210 65.1300 269.2000 269.2000
K0-D0 95.4710 95.4280 251.8000 251.7000
K0-J3 45.8170 45.7580 335.9890 336.1260
G2-D0 38.5620 38.5920 221.3000 221.3000
G2-J3 63.2390 63.2800 47.4320 47.4360
D0-J3 101.6640 101.7360 45.1140 45.1250
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 59201.24689198
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 65.221
HIERARCH ESO ISS PBL12 END 65.13
HIERARCH ESO ISS PBLA12 START 269.2
HIERARCH ESO ISS PBLA12 END 269.2
HIERARCH ESO ISS PBL13 START 95.471
HIERARCH ESO ISS PBL13 END 95.428
HIERARCH ESO ISS PBLA13 START 251.8
HIERARCH ESO ISS PBLA13 END 251.7
HIERARCH ESO ISS PBL14 START 45.817
HIERARCH ESO ISS PBL14 END 45.758
HIERARCH ESO ISS PBLA14 START 335.989
HIERARCH ESO ISS PBLA14 END 336.126
HIERARCH ESO ISS PBL23 START 38.562
HIERARCH ESO ISS PBL23 END 38.592
HIERARCH ESO ISS PBLA23 START 221.3
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.239
HIERARCH ESO ISS PBL24 END 63.28
HIERARCH ESO ISS PBLA24 START 47.432
HIERARCH ESO ISS PBLA24 END 47.436
HIERARCH ESO ISS PBL34 START 101.664
HIERARCH ESO ISS PBL34 END 101.736
HIERARCH ESO ISS PBLA34 START 45.114
HIERARCH ESO ISS PBLA34 END 45.125
HIERARCH ESO ISS AMBI TAU0 START 0.003572
HIERARCH ESO ISS AMBI TAU0 END 0.003605
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 1.03
HIERARCH ESO ISS AMBI FWHM END 0.98