Exposure
ID
MATIS.2020-12-18T05:32:21.849_1
Header ID
MATIS.2020-12-18T05:32:21.849
Date updated
2020-12-18 05:46:13 UTC+0000
Release date
2021-12-18 05:46:12 UTC+0000
UTC Start
2020-12-18 05:32:21.849
UTC End
2020-12-18 05:33:21.825
MJD Start
59201.23080844
MJD End
59201.2315026067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0047395
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.96
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 66.9410 66.8800 270.0000 269.9000
K0-D0 95.9750 95.9720 252.6000 252.6000
K0-J3 47.2060 47.1440 333.1430 333.2560
G2-D0 37.7810 37.8180 220.7000 220.7000
G2-J3 62.1260 62.1820 47.2460 47.2570
D0-J3 99.7550 99.8490 44.7770 44.7950
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 59201.23080844
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 66.941
HIERARCH ESO ISS PBL12 END 66.88
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 269.9
HIERARCH ESO ISS PBL13 START 95.975
HIERARCH ESO ISS PBL13 END 95.972
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 47.206
HIERARCH ESO ISS PBL14 END 47.144
HIERARCH ESO ISS PBLA14 START 333.143
HIERARCH ESO ISS PBLA14 END 333.256
HIERARCH ESO ISS PBL23 START 37.781
HIERARCH ESO ISS PBL23 END 37.818
HIERARCH ESO ISS PBLA23 START 220.7
HIERARCH ESO ISS PBLA23 END 220.7
HIERARCH ESO ISS PBL24 START 62.126
HIERARCH ESO ISS PBL24 END 62.182
HIERARCH ESO ISS PBLA24 START 47.246
HIERARCH ESO ISS PBLA24 END 47.257
HIERARCH ESO ISS PBL34 START 99.755
HIERARCH ESO ISS PBL34 END 99.849
HIERARCH ESO ISS PBLA34 START 44.777
HIERARCH ESO ISS PBLA34 END 44.795
HIERARCH ESO ISS AMBI TAU0 START 0.005044
HIERARCH ESO ISS AMBI TAU0 END 0.004435
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 1.02