Exposure
ID
MATIS.2020-12-18T04:31:39.226_1
Header ID
MATIS.2020-12-18T04:31:39.226
Date updated
2020-12-18 04:41:13 UTC+0000
Release date
2021-12-18 04:41:13 UTC+0000
UTC Start
2020-12-18 04:31:39.226
UTC End
2020-12-18 04:32:39.202
MJD Start
59201.18864845
MJD End
59201.1893426167
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006106
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.56
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 68.2250 68.2420 271.9000 271.9000
K0-D0 93.1080 93.2060 254.1000 254.0000
K0-J3 50.8740 50.8150 327.5900 327.6650
G2-D0 35.0820 35.1330 217.5000 217.5000
G2-J3 57.7080 57.7980 45.1630 45.2220
D0-J3 92.5930 92.7350 42.2510 42.3190
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 59201.18864845
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 68.225
HIERARCH ESO ISS PBL12 END 68.242
HIERARCH ESO ISS PBLA12 START 271.9
HIERARCH ESO ISS PBLA12 END 271.9
HIERARCH ESO ISS PBL13 START 93.108
HIERARCH ESO ISS PBL13 END 93.206
HIERARCH ESO ISS PBLA13 START 254.1
HIERARCH ESO ISS PBLA13 END 254.0
HIERARCH ESO ISS PBL14 START 50.874
HIERARCH ESO ISS PBL14 END 50.815
HIERARCH ESO ISS PBLA14 START 327.59
HIERARCH ESO ISS PBLA14 END 327.665
HIERARCH ESO ISS PBL23 START 35.082
HIERARCH ESO ISS PBL23 END 35.133
HIERARCH ESO ISS PBLA23 START 217.5
HIERARCH ESO ISS PBLA23 END 217.5
HIERARCH ESO ISS PBL24 START 57.708
HIERARCH ESO ISS PBL24 END 57.798
HIERARCH ESO ISS PBLA24 START 45.163
HIERARCH ESO ISS PBLA24 END 45.222
HIERARCH ESO ISS PBL34 START 92.593
HIERARCH ESO ISS PBL34 END 92.735
HIERARCH ESO ISS PBLA34 START 42.251
HIERARCH ESO ISS PBLA34 END 42.319
HIERARCH ESO ISS AMBI TAU0 START 0.006221
HIERARCH ESO ISS AMBI TAU0 END 0.005991
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56