Exposure
ID
MATIS.2020-12-18T05:45:48.508_1
Header ID
MATIS.2020-12-18T05:45:48.508
Date updated
2020-12-18 06:01:21 UTC+0000
Release date
2021-12-18 06:01:21 UTC+0000
UTC Start
2020-12-18 05:45:48.508
UTC End
2020-12-18 05:46:48.484
MJD Start
59201.24014477
MJD End
59201.2408389367
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002556
Ambient temperature (°C)
11.96
Seeing (arcsec)
1.195
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 66.0230 65.9440 269.5000 269.5000
K0-D0 95.7880 95.7620 252.1000 252.1000
K0-J3 46.3920 46.3310 334.7450 334.8740
G2-D0 38.2540 38.2870 221.1000 221.1000
G2-J3 62.8140 62.8610 47.3900 47.4000
D0-J3 100.9240 101.0060 45.0100 45.0260
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 59201.24014477
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 66.023
HIERARCH ESO ISS PBL12 END 65.944
HIERARCH ESO ISS PBLA12 START 269.5
HIERARCH ESO ISS PBLA12 END 269.5
HIERARCH ESO ISS PBL13 START 95.788
HIERARCH ESO ISS PBL13 END 95.762
HIERARCH ESO ISS PBLA13 START 252.1
HIERARCH ESO ISS PBLA13 END 252.1
HIERARCH ESO ISS PBL14 START 46.392
HIERARCH ESO ISS PBL14 END 46.331
HIERARCH ESO ISS PBLA14 START 334.745
HIERARCH ESO ISS PBLA14 END 334.874
HIERARCH ESO ISS PBL23 START 38.254
HIERARCH ESO ISS PBL23 END 38.287
HIERARCH ESO ISS PBLA23 START 221.1
HIERARCH ESO ISS PBLA23 END 221.1
HIERARCH ESO ISS PBL24 START 62.814
HIERARCH ESO ISS PBL24 END 62.861
HIERARCH ESO ISS PBLA24 START 47.39
HIERARCH ESO ISS PBLA24 END 47.4
HIERARCH ESO ISS PBL34 START 100.924
HIERARCH ESO ISS PBL34 END 101.006
HIERARCH ESO ISS PBLA34 START 45.01
HIERARCH ESO ISS PBLA34 END 45.026
HIERARCH ESO ISS AMBI TAU0 START 0.002474
HIERARCH ESO ISS AMBI TAU0 END 0.002638
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.08