Exposure
ID
MATIS.2020-12-27T03:01:06.945_1
Header ID
MATIS.2020-12-27T03:01:06.945
Date updated
2020-12-27 03:16:08 UTC+0000
Release date
2021-12-27 03:16:08 UTC+0000
UTC Start
2020-12-27 03:01:06.945
UTC End
2020-12-27 03:02:06.921
MJD Start
59210.12577483
MJD End
59210.1264689967
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003624
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.695
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 24.6950 24.6780 135.8000 135.8000
A0-D0 28.4560 28.5170 74.4000 74.4000
A0-C1 22.5920 22.5960 114.1980 114.1610
B2-D0 27.3090 27.3410 21.9000 22.1000
B2-C1 9.0970 9.1080 21.8620 22.0020
D0-C1 18.2110 18.2340 201.9400 202.0800
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 59210.12577483
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 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 24.695
HIERARCH ESO ISS PBL12 END 24.678
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 28.456
HIERARCH ESO ISS PBL13 END 28.517
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.592
HIERARCH ESO ISS PBL14 END 22.596
HIERARCH ESO ISS PBLA14 START 114.198
HIERARCH ESO ISS PBLA14 END 114.161
HIERARCH ESO ISS PBL23 START 27.309
HIERARCH ESO ISS PBL23 END 27.341
HIERARCH ESO ISS PBLA23 START 21.9
HIERARCH ESO ISS PBLA23 END 22.1
HIERARCH ESO ISS PBL24 START 9.097
HIERARCH ESO ISS PBL24 END 9.108
HIERARCH ESO ISS PBLA24 START 21.862
HIERARCH ESO ISS PBLA24 END 22.002
HIERARCH ESO ISS PBL34 START 18.211
HIERARCH ESO ISS PBL34 END 18.234
HIERARCH ESO ISS PBLA34 START 201.94
HIERARCH ESO ISS PBLA34 END 202.08
HIERARCH ESO ISS AMBI TAU0 START 0.003643
HIERARCH ESO ISS AMBI TAU0 END 0.003605
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.72