Exposure
ID
MATIS.2020-12-18T04:37:48.636_1
Header ID
MATIS.2020-12-18T04:37:48.636
Date updated
2020-12-18 04:51:02 UTC+0000
Release date
2021-12-18 04:51:02 UTC+0000
UTC Start
2020-12-18 04:37:48.636
UTC End
2020-12-18 04:38:48.612
MJD Start
59201.19292403
MJD End
59201.1936181967
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00692
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.55
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 68.3100 68.3190 271.7000 271.7000
K0-D0 93.6760 93.7640 254.0000 253.9000
K0-J3 50.5160 50.4570 328.0330 328.1120
G2-D0 35.3910 35.4410 217.9000 218.0000
G2-J3 58.2460 58.3330 45.4900 45.5440
D0-J3 93.4440 93.5820 42.6260 42.6890
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 59201.19292403
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 68.31
HIERARCH ESO ISS PBL12 END 68.319
HIERARCH ESO ISS PBLA12 START 271.7
HIERARCH ESO ISS PBLA12 END 271.7
HIERARCH ESO ISS PBL13 START 93.676
HIERARCH ESO ISS PBL13 END 93.764
HIERARCH ESO ISS PBLA13 START 254.0
HIERARCH ESO ISS PBLA13 END 253.9
HIERARCH ESO ISS PBL14 START 50.516
HIERARCH ESO ISS PBL14 END 50.457
HIERARCH ESO ISS PBLA14 START 328.033
HIERARCH ESO ISS PBLA14 END 328.112
HIERARCH ESO ISS PBL23 START 35.391
HIERARCH ESO ISS PBL23 END 35.441
HIERARCH ESO ISS PBLA23 START 217.9
HIERARCH ESO ISS PBLA23 END 218.0
HIERARCH ESO ISS PBL24 START 58.246
HIERARCH ESO ISS PBL24 END 58.333
HIERARCH ESO ISS PBLA24 START 45.49
HIERARCH ESO ISS PBLA24 END 45.544
HIERARCH ESO ISS PBL34 START 93.444
HIERARCH ESO ISS PBL34 END 93.582
HIERARCH ESO ISS PBLA34 START 42.626
HIERARCH ESO ISS PBLA34 END 42.689
HIERARCH ESO ISS AMBI TAU0 START 0.007035
HIERARCH ESO ISS AMBI TAU0 END 0.006805
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.54