Exposure
ID
MATIS.2020-12-18T05:30:57.166_1
Header ID
MATIS.2020-12-18T05:30:57.166
Date updated
2020-12-18 05:40:47 UTC+0000
Release date
2021-12-18 05:40:47 UTC+0000
UTC Start
2020-12-18 05:30:57.166
UTC End
2020-12-18 05:31:57.142
MJD Start
59201.22982831
MJD End
59201.2305224767
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005383
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.86
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 67.0250 66.9650 270.0000 270.0000
K0-D0 95.9780 95.9760 252.6000 252.6000
K0-J3 47.2930 47.2300 332.9790 333.0980
G2-D0 37.7280 37.7660 220.7000 220.7000
G2-J3 62.0470 62.1040 47.2210 47.2400
D0-J3 99.6220 99.7170 44.7420 44.7680
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 59201.22982831
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 67.025
HIERARCH ESO ISS PBL12 END 66.965
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 270.0
HIERARCH ESO ISS PBL13 START 95.978
HIERARCH ESO ISS PBL13 END 95.976
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 47.293
HIERARCH ESO ISS PBL14 END 47.23
HIERARCH ESO ISS PBLA14 START 332.979
HIERARCH ESO ISS PBLA14 END 333.098
HIERARCH ESO ISS PBL23 START 37.728
HIERARCH ESO ISS PBL23 END 37.766
HIERARCH ESO ISS PBLA23 START 220.7
HIERARCH ESO ISS PBLA23 END 220.7
HIERARCH ESO ISS PBL24 START 62.047
HIERARCH ESO ISS PBL24 END 62.104
HIERARCH ESO ISS PBLA24 START 47.221
HIERARCH ESO ISS PBLA24 END 47.24
HIERARCH ESO ISS PBL34 START 99.622
HIERARCH ESO ISS PBL34 END 99.717
HIERARCH ESO ISS PBLA34 START 44.742
HIERARCH ESO ISS PBLA34 END 44.768
HIERARCH ESO ISS AMBI TAU0 START 0.005383
HIERARCH ESO ISS AMBI TAU0 END 0.005383
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.9