Exposure
ID
MATIS.2020-12-27T02:48:39.317_1
Header ID
MATIS.2020-12-27T02:48:39.317
Date updated
2020-12-27 03:01:02 UTC+0000
Release date
2021-12-27 03:01:01 UTC+0000
UTC Start
2020-12-27 02:48:39.317
UTC End
2020-12-27 02:49:39.303
MJD Start
59210.11712173
MJD End
59210.1178160124
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005604
Ambient temperature (°C)
13.69
Seeing (arcsec)
0.67
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 24.8840 24.8700 135.7000 135.7000
A0-D0 27.6550 27.7230 74.4000 74.4000
A0-C1 22.5050 22.5140 114.7020 114.6580
B2-D0 26.9130 26.9440 20.1000 20.3000
B2-C1 8.9660 8.9760 20.0860 20.2350
D0-C1 17.9470 17.9680 200.1650 200.3140
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 59210.11712173
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 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 24.884
HIERARCH ESO ISS PBL12 END 24.87
HIERARCH ESO ISS PBLA12 START 135.7
HIERARCH ESO ISS PBLA12 END 135.7
HIERARCH ESO ISS PBL13 START 27.655
HIERARCH ESO ISS PBL13 END 27.723
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.505
HIERARCH ESO ISS PBL14 END 22.514
HIERARCH ESO ISS PBLA14 START 114.702
HIERARCH ESO ISS PBLA14 END 114.658
HIERARCH ESO ISS PBL23 START 26.913
HIERARCH ESO ISS PBL23 END 26.944
HIERARCH ESO ISS PBLA23 START 20.1
HIERARCH ESO ISS PBLA23 END 20.3
HIERARCH ESO ISS PBL24 START 8.966
HIERARCH ESO ISS PBL24 END 8.976
HIERARCH ESO ISS PBLA24 START 20.086
HIERARCH ESO ISS PBLA24 END 20.235
HIERARCH ESO ISS PBL34 START 17.947
HIERARCH ESO ISS PBL34 END 17.968
HIERARCH ESO ISS PBLA34 START 200.165
HIERARCH ESO ISS PBLA34 END 200.314
HIERARCH ESO ISS AMBI TAU0 START 0.0062
HIERARCH ESO ISS AMBI TAU0 END 0.005008
HIERARCH ESO ISS AMBI TEMP 13.69
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.73