Exposure
ID
MATIS.2020-12-18T05:49:09.645_1
Header ID
MATIS.2020-12-18T05:49:09.645
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 05:49:09.645
UTC End
2020-12-18 05:50:09.621
MJD Start
59201.24247274
MJD End
59201.2431669067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004085
Ambient temperature (°C)
11.93
Seeing (arcsec)
1.04
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 65.7590 65.6760 269.4000 269.4000
K0-D0 95.6960 95.6640 252.0000 252.0000
K0-J3 46.1920 46.1320 335.1690 335.2950
G2-D0 38.3630 38.3960 221.2000 221.2000
G2-J3 62.9670 63.0120 47.4140 47.4160
D0-J3 101.1900 101.2680 45.0550 45.0630
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 59201.24247274
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 65.759
HIERARCH ESO ISS PBL12 END 65.676
HIERARCH ESO ISS PBLA12 START 269.4
HIERARCH ESO ISS PBLA12 END 269.4
HIERARCH ESO ISS PBL13 START 95.696
HIERARCH ESO ISS PBL13 END 95.664
HIERARCH ESO ISS PBLA13 START 252.0
HIERARCH ESO ISS PBLA13 END 252.0
HIERARCH ESO ISS PBL14 START 46.192
HIERARCH ESO ISS PBL14 END 46.132
HIERARCH ESO ISS PBLA14 START 335.169
HIERARCH ESO ISS PBLA14 END 335.295
HIERARCH ESO ISS PBL23 START 38.363
HIERARCH ESO ISS PBL23 END 38.396
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.2
HIERARCH ESO ISS PBL24 START 62.967
HIERARCH ESO ISS PBL24 END 63.012
HIERARCH ESO ISS PBLA24 START 47.414
HIERARCH ESO ISS PBLA24 END 47.416
HIERARCH ESO ISS PBL34 START 101.19
HIERARCH ESO ISS PBL34 END 101.268
HIERARCH ESO ISS PBLA34 START 45.055
HIERARCH ESO ISS PBLA34 END 45.063
HIERARCH ESO ISS AMBI TAU0 START 0.004085
HIERARCH ESO ISS AMBI TAU0 END 0.004085
HIERARCH ESO ISS AMBI TEMP 11.93
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.08