Exposure
ID
MATIS.2020-12-27T03:37:31.261_1
Header ID
MATIS.2020-12-27T03:37:31.261
Date updated
2020-12-27 03:51:20 UTC+0000
Release date
2021-12-27 03:51:20 UTC+0000
UTC Start
2020-12-27 03:37:31.261
UTC End
2020-12-27 03:38:31.247
MJD Start
59210.15105626
MJD End
59210.1517505424
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00566
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.59
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 23.9450 23.9200 136.5000 136.5000
A0-D0 30.3460 30.3890 74.3000 74.3000
A0-C1 22.5300 22.5220 113.0880 113.0650
B2-D0 28.5570 28.5930 26.4000 26.5000
B2-C1 9.5120 9.5240 26.3850 26.4970
D0-C1 19.0450 19.0690 206.4600 206.5720
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 59210.15105626
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 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 23.945
HIERARCH ESO ISS PBL12 END 23.92
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 30.346
HIERARCH ESO ISS PBL13 END 30.389
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.53
HIERARCH ESO ISS PBL14 END 22.522
HIERARCH ESO ISS PBLA14 START 113.088
HIERARCH ESO ISS PBLA14 END 113.065
HIERARCH ESO ISS PBL23 START 28.557
HIERARCH ESO ISS PBL23 END 28.593
HIERARCH ESO ISS PBLA23 START 26.4
HIERARCH ESO ISS PBLA23 END 26.5
HIERARCH ESO ISS PBL24 START 9.512
HIERARCH ESO ISS PBL24 END 9.524
HIERARCH ESO ISS PBLA24 START 26.385
HIERARCH ESO ISS PBLA24 END 26.497
HIERARCH ESO ISS PBL34 START 19.045
HIERARCH ESO ISS PBL34 END 19.069
HIERARCH ESO ISS PBLA34 START 206.46
HIERARCH ESO ISS PBLA34 END 206.572
HIERARCH ESO ISS AMBI TAU0 START 0.00566
HIERARCH ESO ISS AMBI TAU0 END 0.00566
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59