Exposure
ID
MATIS.2020-12-18T05:44:15.829_1
Header ID
MATIS.2020-12-18T05:44:15.829
Date updated
2020-12-18 05:55:49 UTC+0000
Release date
2021-12-18 05:55:49 UTC+0000
UTC Start
2020-12-18 05:44:15.829
UTC End
2020-12-18 05:45:15.815
MJD Start
59201.2390721
MJD End
59201.2397663824
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002474
Ambient temperature (°C)
12.03
Seeing (arcsec)
1.31
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 66.1400 66.0650 269.6000 269.5000
K0-D0 95.8250 95.8020 252.2000 252.2000
K0-J3 46.4850 46.4250 334.5550 334.6790
G2-D0 38.2020 38.2350 221.1000 221.1000
G2-J3 62.7410 62.7880 47.3810 47.3890
D0-J3 100.7980 100.8800 44.9910 45.0050
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 59201.2390721
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 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 66.14
HIERARCH ESO ISS PBL12 END 66.065
HIERARCH ESO ISS PBLA12 START 269.6
HIERARCH ESO ISS PBLA12 END 269.5
HIERARCH ESO ISS PBL13 START 95.825
HIERARCH ESO ISS PBL13 END 95.802
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.2
HIERARCH ESO ISS PBL14 START 46.485
HIERARCH ESO ISS PBL14 END 46.425
HIERARCH ESO ISS PBLA14 START 334.555
HIERARCH ESO ISS PBLA14 END 334.679
HIERARCH ESO ISS PBL23 START 38.202
HIERARCH ESO ISS PBL23 END 38.235
HIERARCH ESO ISS PBLA23 START 221.1
HIERARCH ESO ISS PBLA23 END 221.1
HIERARCH ESO ISS PBL24 START 62.741
HIERARCH ESO ISS PBL24 END 62.788
HIERARCH ESO ISS PBLA24 START 47.381
HIERARCH ESO ISS PBLA24 END 47.389
HIERARCH ESO ISS PBL34 START 100.798
HIERARCH ESO ISS PBL34 END 100.88
HIERARCH ESO ISS PBLA34 START 44.991
HIERARCH ESO ISS PBLA34 END 45.005
HIERARCH ESO ISS AMBI TAU0 START 0.002474
HIERARCH ESO ISS AMBI TAU0 END 0.002474
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31