Exposure
ID
MATIS.2020-12-21T05:17:59.928_1
Header ID
MATIS.2020-12-21T05:17:59.928
Date updated
2020-12-21 05:30:45 UTC+0000
Release date
2021-12-21 05:30:45 UTC+0000
UTC Start
2020-12-21 05:17:59.928
UTC End
2020-12-21 05:18:59.904
MJD Start
59204.2208325
MJD End
59204.2215266667
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005215
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.725
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 67.0910 67.0330 270.0000 270.0000
K0-D0 95.9770 95.9780 252.7000 252.7000
K0-J3 47.3640 47.3010 332.8560 332.9640
G2-D0 37.6840 37.7230 220.6000 220.7000
G2-J3 61.9820 62.0390 47.2100 47.2200
D0-J3 99.5120 99.6080 44.7230 44.7400
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 59204.2208325
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 67.091
HIERARCH ESO ISS PBL12 END 67.033
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 270.0
HIERARCH ESO ISS PBL13 START 95.977
HIERARCH ESO ISS PBL13 END 95.978
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 47.364
HIERARCH ESO ISS PBL14 END 47.301
HIERARCH ESO ISS PBLA14 START 332.856
HIERARCH ESO ISS PBLA14 END 332.964
HIERARCH ESO ISS PBL23 START 37.684
HIERARCH ESO ISS PBL23 END 37.723
HIERARCH ESO ISS PBLA23 START 220.6
HIERARCH ESO ISS PBLA23 END 220.7
HIERARCH ESO ISS PBL24 START 61.982
HIERARCH ESO ISS PBL24 END 62.039
HIERARCH ESO ISS PBLA24 START 47.21
HIERARCH ESO ISS PBLA24 END 47.22
HIERARCH ESO ISS PBL34 START 99.512
HIERARCH ESO ISS PBL34 END 99.608
HIERARCH ESO ISS PBLA34 START 44.723
HIERARCH ESO ISS PBLA34 END 44.74
HIERARCH ESO ISS AMBI TAU0 START 0.005614
HIERARCH ESO ISS AMBI TAU0 END 0.004816
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.71