Exposure
ID
MATIS.2020-12-21T04:57:10.643_1
Header ID
MATIS.2020-12-21T04:57:10.643
Date updated
2020-12-21 05:11:02 UTC+0000
Release date
2021-12-21 05:11:02 UTC+0000
UTC Start
2020-12-21 04:57:10.643
UTC End
2020-12-21 04:58:10.629
MJD Start
59204.20637318
MJD End
59204.2070674624
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0056985
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.44
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 67.9940 67.9630 270.7000 270.7000
K0-D0 95.5920 95.6270 253.3000 253.3000
K0-J3 48.6420 48.5800 330.6820 330.7870
G2-D0 36.8410 36.8850 219.8000 219.8000
G2-J3 60.6680 60.7380 46.7290 46.7650
D0-J3 97.3400 97.4540 44.0970 44.1410
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 59204.20637318
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 67.994
HIERARCH ESO ISS PBL12 END 67.963
HIERARCH ESO ISS PBLA12 START 270.7
HIERARCH ESO ISS PBLA12 END 270.7
HIERARCH ESO ISS PBL13 START 95.592
HIERARCH ESO ISS PBL13 END 95.627
HIERARCH ESO ISS PBLA13 START 253.3
HIERARCH ESO ISS PBLA13 END 253.3
HIERARCH ESO ISS PBL14 START 48.642
HIERARCH ESO ISS PBL14 END 48.58
HIERARCH ESO ISS PBLA14 START 330.682
HIERARCH ESO ISS PBLA14 END 330.787
HIERARCH ESO ISS PBL23 START 36.841
HIERARCH ESO ISS PBL23 END 36.885
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.8
HIERARCH ESO ISS PBL24 START 60.668
HIERARCH ESO ISS PBL24 END 60.738
HIERARCH ESO ISS PBLA24 START 46.729
HIERARCH ESO ISS PBLA24 END 46.765
HIERARCH ESO ISS PBL34 START 97.34
HIERARCH ESO ISS PBL34 END 97.454
HIERARCH ESO ISS PBLA34 START 44.097
HIERARCH ESO ISS PBLA34 END 44.141
HIERARCH ESO ISS AMBI TAU0 START 0.005382
HIERARCH ESO ISS AMBI TAU0 END 0.006015
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44