Exposure
ID
MATIS.2020-12-27T02:59:51.825_1
Header ID
MATIS.2020-12-27T02:59:51.825
Date updated
2020-12-27 03:11:15 UTC+0000
Release date
2021-12-27 03:11:15 UTC+0000
UTC Start
2020-12-27 02:59:51.825
UTC End
2020-12-27 03:00:51.801
MJD Start
59210.12490538
MJD End
59210.1255995467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003595
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.65
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 24.7150 24.6990 135.8000 135.8000
A0-D0 28.3790 28.4410 74.4000 74.4000
A0-C1 22.5850 22.5900 114.2460 114.2080
B2-D0 27.2680 27.3010 21.7000 21.9000
B2-C1 9.0840 9.0950 21.6890 21.8270
D0-C1 18.1840 18.2060 201.7670 201.9050
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 59210.12490538
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 24.715
HIERARCH ESO ISS PBL12 END 24.699
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 28.379
HIERARCH ESO ISS PBL13 END 28.441
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.585
HIERARCH ESO ISS PBL14 END 22.59
HIERARCH ESO ISS PBLA14 START 114.246
HIERARCH ESO ISS PBLA14 END 114.208
HIERARCH ESO ISS PBL23 START 27.268
HIERARCH ESO ISS PBL23 END 27.301
HIERARCH ESO ISS PBLA23 START 21.7
HIERARCH ESO ISS PBLA23 END 21.9
HIERARCH ESO ISS PBL24 START 9.084
HIERARCH ESO ISS PBL24 END 9.095
HIERARCH ESO ISS PBLA24 START 21.689
HIERARCH ESO ISS PBLA24 END 21.827
HIERARCH ESO ISS PBL34 START 18.184
HIERARCH ESO ISS PBL34 END 18.206
HIERARCH ESO ISS PBLA34 START 201.767
HIERARCH ESO ISS PBLA34 END 201.905
HIERARCH ESO ISS AMBI TAU0 START 0.003547
HIERARCH ESO ISS AMBI TAU0 END 0.003643
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.67