Exposure
ID
MATIS.2020-12-27T02:51:28.304_1
Header ID
MATIS.2020-12-27T02:51:28.304
Date updated
2020-12-27 03:05:54 UTC+0000
Release date
2021-12-27 03:05:54 UTC+0000
UTC Start
2020-12-27 02:51:28.304
UTC End
2020-12-27 02:52:28.290
MJD Start
59210.11907759
MJD End
59210.1197718724
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004806
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.735
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 24.8450 24.8300 135.7000 135.8000
A0-D0 27.8430 27.9090 74.4000 74.4000
A0-C1 22.5290 22.5370 114.5820 114.5400
B2-D0 27.0000 27.0320 20.5000 20.7000
B2-C1 8.9950 9.0060 20.4970 20.6440
D0-C1 18.0050 18.0270 200.5760 200.7230
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 59210.11907759
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 24.845
HIERARCH ESO ISS PBL12 END 24.83
HIERARCH ESO ISS PBLA12 START 135.7
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 27.843
HIERARCH ESO ISS PBL13 END 27.909
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.529
HIERARCH ESO ISS PBL14 END 22.537
HIERARCH ESO ISS PBLA14 START 114.582
HIERARCH ESO ISS PBLA14 END 114.54
HIERARCH ESO ISS PBL23 START 27.0
HIERARCH ESO ISS PBL23 END 27.032
HIERARCH ESO ISS PBLA23 START 20.5
HIERARCH ESO ISS PBLA23 END 20.7
HIERARCH ESO ISS PBL24 START 8.995
HIERARCH ESO ISS PBL24 END 9.006
HIERARCH ESO ISS PBLA24 START 20.497
HIERARCH ESO ISS PBLA24 END 20.644
HIERARCH ESO ISS PBL34 START 18.005
HIERARCH ESO ISS PBL34 END 18.027
HIERARCH ESO ISS PBLA34 START 200.576
HIERARCH ESO ISS PBLA34 END 200.723
HIERARCH ESO ISS AMBI TAU0 START 0.004935
HIERARCH ESO ISS AMBI TAU0 END 0.004677
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.77