Exposure
ID
MATIS.2020-12-27T02:04:20.606_1
Header ID
MATIS.2020-12-27T02:04:20.606
Date updated
2020-12-27 02:16:24 UTC+0000
Release date
2021-12-27 02:16:24 UTC+0000
UTC Start
2020-12-27 02:04:20.606
UTC End
2020-12-27 02:05:20.592
MJD Start
59210.08634961
MJD End
59210.0870438924
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005948
Ambient temperature (°C)
13.03
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 25.2700 25.2670 136.3000 136.2000
A0-D0 24.2240 24.3110 73.7000 73.7000
A0-C1 21.7690 21.7920 117.0610 116.9970
B2-D0 25.7350 25.7570 13.0000 13.1000
B2-C1 8.5750 8.5820 12.9090 13.0850
D0-C1 17.1600 17.1750 192.9860 193.1620
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 59210.08634961
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 25.27
HIERARCH ESO ISS PBL12 END 25.267
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.224
HIERARCH ESO ISS PBL13 END 24.311
HIERARCH ESO ISS PBLA13 START 73.7
HIERARCH ESO ISS PBLA13 END 73.7
HIERARCH ESO ISS PBL14 START 21.769
HIERARCH ESO ISS PBL14 END 21.792
HIERARCH ESO ISS PBLA14 START 117.061
HIERARCH ESO ISS PBLA14 END 116.997
HIERARCH ESO ISS PBL23 START 25.735
HIERARCH ESO ISS PBL23 END 25.757
HIERARCH ESO ISS PBLA23 START 13.0
HIERARCH ESO ISS PBLA23 END 13.1
HIERARCH ESO ISS PBL24 START 8.575
HIERARCH ESO ISS PBL24 END 8.582
HIERARCH ESO ISS PBLA24 START 12.909
HIERARCH ESO ISS PBLA24 END 13.085
HIERARCH ESO ISS PBL34 START 17.16
HIERARCH ESO ISS PBL34 END 17.175
HIERARCH ESO ISS PBLA34 START 192.986
HIERARCH ESO ISS PBLA34 END 193.162
HIERARCH ESO ISS AMBI TAU0 START 0.006231
HIERARCH ESO ISS AMBI TAU0 END 0.005665
HIERARCH ESO ISS AMBI TEMP 13.03
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65