Exposure
ID
MATIS.2020-12-27T02:15:18.990_1
Header ID
MATIS.2020-12-27T02:15:18.990
Date updated
2020-12-27 02:26:13 UTC+0000
Release date
2021-12-27 02:26:13 UTC+0000
UTC Start
2020-12-27 02:15:18.990
UTC End
2020-12-27 02:16:18.966
MJD Start
59210.09396979
MJD End
59210.0946639567
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004755
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.88
Observation
ID
46212
Category
science
Program ID
106.21L4.001
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
34782
Name
alf_Ori
RA
88.791947
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2170 25.2110 136.0000 136.0000
A0-D0 25.1540 25.2380 73.9000 73.9000
A0-C1 22.0110 22.0310 116.3880 116.3290
B2-D0 25.9860 26.0110 14.9000 15.0000
B2-C1 8.6580 8.6660 14.8030 14.9750
D0-C1 17.3280 17.3450 194.8810 195.0530
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59210.09396979
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.791947
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 25.217
HIERARCH ESO ISS PBL12 END 25.211
HIERARCH ESO ISS PBLA12 START 136.0
HIERARCH ESO ISS PBLA12 END 136.0
HIERARCH ESO ISS PBL13 START 25.154
HIERARCH ESO ISS PBL13 END 25.238
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 22.011
HIERARCH ESO ISS PBL14 END 22.031
HIERARCH ESO ISS PBLA14 START 116.388
HIERARCH ESO ISS PBLA14 END 116.329
HIERARCH ESO ISS PBL23 START 25.986
HIERARCH ESO ISS PBL23 END 26.011
HIERARCH ESO ISS PBLA23 START 14.9
HIERARCH ESO ISS PBLA23 END 15.0
HIERARCH ESO ISS PBL24 START 8.658
HIERARCH ESO ISS PBL24 END 8.666
HIERARCH ESO ISS PBLA24 START 14.803
HIERARCH ESO ISS PBLA24 END 14.975
HIERARCH ESO ISS PBL34 START 17.328
HIERARCH ESO ISS PBL34 END 17.345
HIERARCH ESO ISS PBLA34 START 194.881
HIERARCH ESO ISS PBLA34 END 195.053
HIERARCH ESO ISS AMBI TAU0 START 0.004755
HIERARCH ESO ISS AMBI TAU0 END 0.004755
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88