Exposure
ID
MATIS.2020-12-18T04:42:54.732_1
Header ID
MATIS.2020-12-18T04:42:54.732
Date updated
2020-12-18 04:55:37 UTC+0000
Release date
2021-12-18 04:55:37 UTC+0000
UTC Start
2020-12-18 04:42:54.732
UTC End
2020-12-18 04:43:54.708
MJD Start
59201.19646681
MJD End
59201.1971609767
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007177
Ambient temperature (°C)
13.22
Seeing (arcsec)
0.475
Observation
ID
46187
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
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.3440 68.3460 271.5000 271.5000
K0-D0 94.0990 94.1780 253.9000 253.8000
K0-J3 50.2160 50.1560 328.4190 328.5010
G2-D0 35.6420 35.6910 218.3000 218.3000
G2-J3 58.6770 58.7610 45.7390 45.7900
D0-J3 94.1300 94.2640 42.9150 42.9730
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 59201.19646681
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 714
HIERARCH ESO ISS PBL12 START 68.344
HIERARCH ESO ISS PBL12 END 68.346
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 94.099
HIERARCH ESO ISS PBL13 END 94.178
HIERARCH ESO ISS PBLA13 START 253.9
HIERARCH ESO ISS PBLA13 END 253.8
HIERARCH ESO ISS PBL14 START 50.216
HIERARCH ESO ISS PBL14 END 50.156
HIERARCH ESO ISS PBLA14 START 328.419
HIERARCH ESO ISS PBLA14 END 328.501
HIERARCH ESO ISS PBL23 START 35.642
HIERARCH ESO ISS PBL23 END 35.691
HIERARCH ESO ISS PBLA23 START 218.3
HIERARCH ESO ISS PBLA23 END 218.3
HIERARCH ESO ISS PBL24 START 58.677
HIERARCH ESO ISS PBL24 END 58.761
HIERARCH ESO ISS PBLA24 START 45.739
HIERARCH ESO ISS PBLA24 END 45.79
HIERARCH ESO ISS PBL34 START 94.13
HIERARCH ESO ISS PBL34 END 94.264
HIERARCH ESO ISS PBLA34 START 42.915
HIERARCH ESO ISS PBLA34 END 42.973
HIERARCH ESO ISS AMBI TAU0 START 0.007127
HIERARCH ESO ISS AMBI TAU0 END 0.007227
HIERARCH ESO ISS AMBI TEMP 13.22
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.47