Exposure
ID
MATIS.2020-12-27T05:12:48.067_1
Header ID
MATIS.2020-12-27T05:12:48.067
Date updated
2020-12-27 05:21:00 UTC+0000
Release date
2021-12-27 05:20:59 UTC+0000
UTC Start
2020-12-27 05:12:48.067
UTC End
2020-12-27 05:13:48.043
MJD Start
59210.217223
MJD End
59210.2179171667
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003669
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.935
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 20.8760 20.8380 142.5000 142.6000
A0-D0 31.9190 31.9090 72.1000 72.0000
A0-C1 20.1420 20.1000 112.6700 112.6880
B2-D0 31.7550 31.7840 33.8000 33.8000
B2-C1 10.5770 10.5860 33.7290 33.7750
D0-C1 21.1790 21.1980 213.7880 213.8340
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 59210.217223
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 20.876
HIERARCH ESO ISS PBL12 END 20.838
HIERARCH ESO ISS PBLA12 START 142.5
HIERARCH ESO ISS PBLA12 END 142.6
HIERARCH ESO ISS PBL13 START 31.919
HIERARCH ESO ISS PBL13 END 31.909
HIERARCH ESO ISS PBLA13 START 72.1
HIERARCH ESO ISS PBLA13 END 72.0
HIERARCH ESO ISS PBL14 START 20.142
HIERARCH ESO ISS PBL14 END 20.1
HIERARCH ESO ISS PBLA14 START 112.67
HIERARCH ESO ISS PBLA14 END 112.688
HIERARCH ESO ISS PBL23 START 31.755
HIERARCH ESO ISS PBL23 END 31.784
HIERARCH ESO ISS PBLA23 START 33.8
HIERARCH ESO ISS PBLA23 END 33.8
HIERARCH ESO ISS PBL24 START 10.577
HIERARCH ESO ISS PBL24 END 10.586
HIERARCH ESO ISS PBLA24 START 33.729
HIERARCH ESO ISS PBLA24 END 33.775
HIERARCH ESO ISS PBL34 START 21.179
HIERARCH ESO ISS PBL34 END 21.198
HIERARCH ESO ISS PBLA34 START 213.788
HIERARCH ESO ISS PBLA34 END 213.834
HIERARCH ESO ISS AMBI TAU0 START 0.003814
HIERARCH ESO ISS AMBI TAU0 END 0.003524
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.96