Exposure
ID
MATIS.2020-12-18T05:27:19.862_1
Header ID
MATIS.2020-12-18T05:27:19.862
Date updated
2020-12-18 05:40:47 UTC+0000
Release date
2021-12-18 05:40:47 UTC+0000
UTC Start
2020-12-18 05:27:19.862
UTC End
2020-12-18 05:28:19.838
MJD Start
59201.22731322
MJD End
59201.2280073867
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005501
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.69
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 67.2260 67.1720 270.1000 270.1000
K0-D0 95.9690 95.9740 252.8000 252.7000
K0-J3 47.5140 47.4530 332.5790 332.6890
G2-D0 37.5910 37.6290 220.5000 220.6000
G2-J3 61.8400 61.8980 47.1630 47.1810
D0-J3 99.2750 99.3720 44.6600 44.6840
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 59201.22731322
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 67.226
HIERARCH ESO ISS PBL12 END 67.172
HIERARCH ESO ISS PBLA12 START 270.1
HIERARCH ESO ISS PBLA12 END 270.1
HIERARCH ESO ISS PBL13 START 95.969
HIERARCH ESO ISS PBL13 END 95.974
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 47.514
HIERARCH ESO ISS PBL14 END 47.453
HIERARCH ESO ISS PBLA14 START 332.579
HIERARCH ESO ISS PBLA14 END 332.689
HIERARCH ESO ISS PBL23 START 37.591
HIERARCH ESO ISS PBL23 END 37.629
HIERARCH ESO ISS PBLA23 START 220.5
HIERARCH ESO ISS PBLA23 END 220.6
HIERARCH ESO ISS PBL24 START 61.84
HIERARCH ESO ISS PBL24 END 61.898
HIERARCH ESO ISS PBLA24 START 47.163
HIERARCH ESO ISS PBLA24 END 47.181
HIERARCH ESO ISS PBL34 START 99.275
HIERARCH ESO ISS PBL34 END 99.372
HIERARCH ESO ISS PBLA34 START 44.66
HIERARCH ESO ISS PBLA34 END 44.684
HIERARCH ESO ISS AMBI TAU0 START 0.005501
HIERARCH ESO ISS AMBI TAU0 END 0.005501
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69