Exposure
ID
MATIS.2020-12-18T04:44:11.151_1
Header ID
MATIS.2020-12-18T04:44:11.151
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 04:44:11.151
UTC End
2020-12-18 04:45:11.127
MJD Start
59201.19735129
MJD End
59201.1980454567
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007227
Ambient temperature (°C)
13.19
Seeing (arcsec)
0.47
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 68.3470 68.3480 271.5000 271.5000
K0-D0 94.1980 94.2750 253.8000 253.8000
K0-J3 50.1410 50.0810 328.5170 328.6010
G2-D0 35.7030 35.7520 218.3000 218.4000
G2-J3 58.7820 58.8650 45.7980 45.8480
D0-J3 94.2970 94.4310 42.9830 43.0410
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 59201.19735129
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 68.347
HIERARCH ESO ISS PBL12 END 68.348
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 94.198
HIERARCH ESO ISS PBL13 END 94.275
HIERARCH ESO ISS PBLA13 START 253.8
HIERARCH ESO ISS PBLA13 END 253.8
HIERARCH ESO ISS PBL14 START 50.141
HIERARCH ESO ISS PBL14 END 50.081
HIERARCH ESO ISS PBLA14 START 328.517
HIERARCH ESO ISS PBLA14 END 328.601
HIERARCH ESO ISS PBL23 START 35.703
HIERARCH ESO ISS PBL23 END 35.752
HIERARCH ESO ISS PBLA23 START 218.3
HIERARCH ESO ISS PBLA23 END 218.4
HIERARCH ESO ISS PBL24 START 58.782
HIERARCH ESO ISS PBL24 END 58.865
HIERARCH ESO ISS PBLA24 START 45.798
HIERARCH ESO ISS PBLA24 END 45.848
HIERARCH ESO ISS PBL34 START 94.297
HIERARCH ESO ISS PBL34 END 94.431
HIERARCH ESO ISS PBLA34 START 42.983
HIERARCH ESO ISS PBLA34 END 43.041
HIERARCH ESO ISS AMBI TAU0 START 0.007227
HIERARCH ESO ISS AMBI TAU0 END 0.007227
HIERARCH ESO ISS AMBI TEMP 13.19
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47