Exposure
ID
MATIS.2020-12-27T04:50:27.652_1
Header ID
MATIS.2020-12-27T04:50:27.652
Date updated
2020-12-27 05:01:03 UTC+0000
Release date
2021-12-27 05:01:03 UTC+0000
UTC Start
2020-12-27 04:50:27.652
UTC End
2020-12-27 04:51:27.628
MJD Start
59210.20170894
MJD End
59210.2024031067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004232
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.78
Observation
ID
46211
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
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.7010 21.6650 140.4000 140.5000
A0-D0 31.9980 32.0000 72.8000 72.8000
A0-C1 20.9820 20.9480 112.4210 112.4270
B2-D0 31.0760 31.1080 32.6000 32.7000
B2-C1 10.3510 10.3610 32.5540 32.6130
D0-C1 20.7260 20.7470 212.6160 212.6760
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 59210.20170894
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.791947
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 714
HIERARCH ESO ISS PBL12 START 21.701
HIERARCH ESO ISS PBL12 END 21.665
HIERARCH ESO ISS PBLA12 START 140.4
HIERARCH ESO ISS PBLA12 END 140.5
HIERARCH ESO ISS PBL13 START 31.998
HIERARCH ESO ISS PBL13 END 32.0
HIERARCH ESO ISS PBLA13 START 72.8
HIERARCH ESO ISS PBLA13 END 72.8
HIERARCH ESO ISS PBL14 START 20.982
HIERARCH ESO ISS PBL14 END 20.948
HIERARCH ESO ISS PBLA14 START 112.421
HIERARCH ESO ISS PBLA14 END 112.427
HIERARCH ESO ISS PBL23 START 31.076
HIERARCH ESO ISS PBL23 END 31.108
HIERARCH ESO ISS PBLA23 START 32.6
HIERARCH ESO ISS PBLA23 END 32.7
HIERARCH ESO ISS PBL24 START 10.351
HIERARCH ESO ISS PBL24 END 10.361
HIERARCH ESO ISS PBLA24 START 32.554
HIERARCH ESO ISS PBLA24 END 32.613
HIERARCH ESO ISS PBL34 START 20.726
HIERARCH ESO ISS PBL34 END 20.747
HIERARCH ESO ISS PBLA34 START 212.616
HIERARCH ESO ISS PBLA34 END 212.676
HIERARCH ESO ISS AMBI TAU0 START 0.004232
HIERARCH ESO ISS AMBI TAU0 END 0.004232
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78