Exposure
ID
MATIS.2020-12-27T03:46:05.553_1
Header ID
MATIS.2020-12-27T03:46:05.553
Date updated
2020-12-27 04:01:01 UTC+0000
Release date
2021-12-27 04:01:01 UTC+0000
UTC Start
2020-12-27 03:46:05.553
UTC End
2020-12-27 03:47:05.529
MJD Start
59210.15700872
MJD End
59210.1577028867
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0052735
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.605
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 23.7290 23.7020 136.7000 136.8000
A0-D0 30.6910 30.7290 74.2000 74.2000
A0-C1 22.4460 22.4350 112.9010 112.8810
B2-D0 28.8610 28.8970 27.4000 27.5000
B2-C1 9.6140 9.6250 27.3080 27.4120
D0-C1 19.2480 19.2720 207.3810 207.4850
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 59210.15700872
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 23.729
HIERARCH ESO ISS PBL12 END 23.702
HIERARCH ESO ISS PBLA12 START 136.7
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 30.691
HIERARCH ESO ISS PBL13 END 30.729
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.446
HIERARCH ESO ISS PBL14 END 22.435
HIERARCH ESO ISS PBLA14 START 112.901
HIERARCH ESO ISS PBLA14 END 112.881
HIERARCH ESO ISS PBL23 START 28.861
HIERARCH ESO ISS PBL23 END 28.897
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 27.5
HIERARCH ESO ISS PBL24 START 9.614
HIERARCH ESO ISS PBL24 END 9.625
HIERARCH ESO ISS PBLA24 START 27.308
HIERARCH ESO ISS PBLA24 END 27.412
HIERARCH ESO ISS PBL34 START 19.248
HIERARCH ESO ISS PBL34 END 19.272
HIERARCH ESO ISS PBLA34 START 207.381
HIERARCH ESO ISS PBLA34 END 207.485
HIERARCH ESO ISS AMBI TAU0 START 0.005121
HIERARCH ESO ISS AMBI TAU0 END 0.005426
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.62