Exposure
ID
MATIS.2020-12-27T03:48:29.940_1
Header ID
MATIS.2020-12-27T03:48:29.940
Date updated
2020-12-27 04:01:01 UTC+0000
Release date
2021-12-27 04:01:01 UTC+0000
UTC Start
2020-12-27 03:48:29.940
UTC End
2020-12-27 03:49:29.916
MJD Start
59210.15867986
MJD End
59210.1593740267
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0048005
Ambient temperature (°C)
12.63
Seeing (arcsec)
0.62
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 23.6650 23.6380 136.8000 136.8000
A0-D0 30.7800 30.8170 74.2000 74.2000
A0-C1 22.4180 22.4060 112.8540 112.8350
B2-D0 28.9470 28.9830 27.6000 27.7000
B2-C1 9.6420 9.6540 27.5560 27.6600
D0-C1 19.3050 19.3290 207.6290 207.7330
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 59210.15867986
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 23.665
HIERARCH ESO ISS PBL12 END 23.638
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 30.78
HIERARCH ESO ISS PBL13 END 30.817
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.418
HIERARCH ESO ISS PBL14 END 22.406
HIERARCH ESO ISS PBLA14 START 112.854
HIERARCH ESO ISS PBLA14 END 112.835
HIERARCH ESO ISS PBL23 START 28.947
HIERARCH ESO ISS PBL23 END 28.983
HIERARCH ESO ISS PBLA23 START 27.6
HIERARCH ESO ISS PBLA23 END 27.7
HIERARCH ESO ISS PBL24 START 9.642
HIERARCH ESO ISS PBL24 END 9.654
HIERARCH ESO ISS PBLA24 START 27.556
HIERARCH ESO ISS PBLA24 END 27.66
HIERARCH ESO ISS PBL34 START 19.305
HIERARCH ESO ISS PBL34 END 19.329
HIERARCH ESO ISS PBLA34 START 207.629
HIERARCH ESO ISS PBLA34 END 207.733
HIERARCH ESO ISS AMBI TAU0 START 0.004569
HIERARCH ESO ISS AMBI TAU0 END 0.005032
HIERARCH ESO ISS AMBI TEMP 12.63
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.6