Exposure
ID
MATIS.2020-12-18T05:20:46.911_1
Header ID
MATIS.2020-12-18T05:20:46.911
Date updated
2020-12-18 05:35:41 UTC+0000
Release date
2021-12-18 05:35:41 UTC+0000
UTC Start
2020-12-18 05:20:46.911
UTC End
2020-12-18 05:21:46.897
MJD Start
59201.22276517
MJD End
59201.2234594524
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0051605
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.865
Observation
ID
46188
Category
science
Program ID
106.21L4.002
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
34773
Name
alf_Ori
RA
88.793067
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.5490 67.5040 270.3000 270.3000
K0-D0 95.8980 95.9140 253.0000 252.9000
K0-J3 47.9160 47.8550 331.8700 331.9760
G2-D0 37.3330 37.3730 220.3000 220.3000
G2-J3 61.4450 61.5070 47.0300 47.0510
D0-J3 98.6170 98.7200 44.4810 44.5100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59201.22276517
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 67.549
HIERARCH ESO ISS PBL12 END 67.504
HIERARCH ESO ISS PBLA12 START 270.3
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 95.898
HIERARCH ESO ISS PBL13 END 95.914
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 47.916
HIERARCH ESO ISS PBL14 END 47.855
HIERARCH ESO ISS PBLA14 START 331.87
HIERARCH ESO ISS PBLA14 END 331.976
HIERARCH ESO ISS PBL23 START 37.333
HIERARCH ESO ISS PBL23 END 37.373
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 61.445
HIERARCH ESO ISS PBL24 END 61.507
HIERARCH ESO ISS PBLA24 START 47.03
HIERARCH ESO ISS PBLA24 END 47.051
HIERARCH ESO ISS PBL34 START 98.617
HIERARCH ESO ISS PBL34 END 98.72
HIERARCH ESO ISS PBLA34 START 44.481
HIERARCH ESO ISS PBLA34 END 44.51
HIERARCH ESO ISS AMBI TAU0 START 0.005153
HIERARCH ESO ISS AMBI TAU0 END 0.005168
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.82