Exposure
ID
MATIS.2020-12-18T04:41:40.936_1
Header ID
MATIS.2020-12-18T04:41:40.936
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 04:41:40.936
UTC End
2020-12-18 04:42:40.912
MJD Start
59201.19561268
MJD End
59201.1963068467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0074815
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.485
Observation
ID
46188
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
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.3380 68.3430 271.6000 271.5000
K0-D0 94.0010 94.0810 253.9000 253.9000
K0-J3 50.2890 50.2300 328.3240 328.4010
G2-D0 35.5810 35.6300 218.2000 218.2000
G2-J3 58.5740 58.6570 45.6800 45.7280
D0-J3 93.9650 94.0990 42.8470 42.9020
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 59201.19561268
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 68.338
HIERARCH ESO ISS PBL12 END 68.343
HIERARCH ESO ISS PBLA12 START 271.6
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 94.001
HIERARCH ESO ISS PBL13 END 94.081
HIERARCH ESO ISS PBLA13 START 253.9
HIERARCH ESO ISS PBLA13 END 253.9
HIERARCH ESO ISS PBL14 START 50.289
HIERARCH ESO ISS PBL14 END 50.23
HIERARCH ESO ISS PBLA14 START 328.324
HIERARCH ESO ISS PBLA14 END 328.401
HIERARCH ESO ISS PBL23 START 35.581
HIERARCH ESO ISS PBL23 END 35.63
HIERARCH ESO ISS PBLA23 START 218.2
HIERARCH ESO ISS PBLA23 END 218.2
HIERARCH ESO ISS PBL24 START 58.574
HIERARCH ESO ISS PBL24 END 58.657
HIERARCH ESO ISS PBLA24 START 45.68
HIERARCH ESO ISS PBLA24 END 45.728
HIERARCH ESO ISS PBL34 START 93.965
HIERARCH ESO ISS PBL34 END 94.099
HIERARCH ESO ISS PBLA34 START 42.847
HIERARCH ESO ISS PBLA34 END 42.902
HIERARCH ESO ISS AMBI TAU0 START 0.007836
HIERARCH ESO ISS AMBI TAU0 END 0.007127
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.48