Exposure
ID
MATIS.2020-12-21T05:10:52.997_1
Header ID
MATIS.2020-12-21T05:10:52.997
Date updated
2020-12-21 05:25:50 UTC+0000
Release date
2021-12-21 05:25:49 UTC+0000
UTC Start
2020-12-21 05:10:52.997
UTC End
2020-12-21 05:11:52.983
MJD Start
59204.21589117
MJD End
59204.2165854524
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0058175
Ambient temperature (°C)
14.89
Seeing (arcsec)
0.555
Observation
ID
46197
Category
science
Program ID
106.21L4.004
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 67.4620 67.4130 270.3000 270.2000
K0-D0 95.9260 95.9380 252.9000 252.9000
K0-J3 47.8000 47.7380 332.0720 332.1870
G2-D0 37.4090 37.4490 220.4000 220.4000
G2-J3 61.5620 61.6240 47.0710 47.0980
D0-J3 98.8110 98.9140 44.5360 44.5700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59204.21589117
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 67.462
HIERARCH ESO ISS PBL12 END 67.413
HIERARCH ESO ISS PBLA12 START 270.3
HIERARCH ESO ISS PBLA12 END 270.2
HIERARCH ESO ISS PBL13 START 95.926
HIERARCH ESO ISS PBL13 END 95.938
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 47.8
HIERARCH ESO ISS PBL14 END 47.738
HIERARCH ESO ISS PBLA14 START 332.072
HIERARCH ESO ISS PBLA14 END 332.187
HIERARCH ESO ISS PBL23 START 37.409
HIERARCH ESO ISS PBL23 END 37.449
HIERARCH ESO ISS PBLA23 START 220.4
HIERARCH ESO ISS PBLA23 END 220.4
HIERARCH ESO ISS PBL24 START 61.562
HIERARCH ESO ISS PBL24 END 61.624
HIERARCH ESO ISS PBLA24 START 47.071
HIERARCH ESO ISS PBLA24 END 47.098
HIERARCH ESO ISS PBL34 START 98.811
HIERARCH ESO ISS PBL34 END 98.914
HIERARCH ESO ISS PBLA34 START 44.536
HIERARCH ESO ISS PBLA34 END 44.57
HIERARCH ESO ISS AMBI TAU0 START 0.006269
HIERARCH ESO ISS AMBI TAU0 END 0.005366
HIERARCH ESO ISS AMBI TEMP 14.89
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.61