Exposure
ID
MATIS.2020-12-27T02:10:11.938_1
Header ID
MATIS.2020-12-27T02:10:11.938
Date updated
2020-12-27 02:26:13 UTC+0000
Release date
2021-12-27 02:26:13 UTC+0000
UTC Start
2020-12-27 02:10:11.938
UTC End
2020-12-27 02:11:11.914
MJD Start
59210.09041595
MJD End
59210.0911101167
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0050385
Ambient temperature (°C)
13.06
Seeing (arcsec)
0.74
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 25.2450 25.2400 136.1000 136.1000
A0-D0 24.7260 24.8110 73.8000 73.8000
A0-C1 21.9030 21.9240 116.6940 116.6330
B2-D0 25.8650 25.8890 14.0000 14.2000
B2-C1 8.6180 8.6260 13.9280 14.1030
D0-C1 17.2470 17.2630 194.0060 194.1810
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 59210.09041595
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 25.245
HIERARCH ESO ISS PBL12 END 25.24
HIERARCH ESO ISS PBLA12 START 136.1
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 24.726
HIERARCH ESO ISS PBL13 END 24.811
HIERARCH ESO ISS PBLA13 START 73.8
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 21.903
HIERARCH ESO ISS PBL14 END 21.924
HIERARCH ESO ISS PBLA14 START 116.694
HIERARCH ESO ISS PBLA14 END 116.633
HIERARCH ESO ISS PBL23 START 25.865
HIERARCH ESO ISS PBL23 END 25.889
HIERARCH ESO ISS PBLA23 START 14.0
HIERARCH ESO ISS PBLA23 END 14.2
HIERARCH ESO ISS PBL24 START 8.618
HIERARCH ESO ISS PBL24 END 8.626
HIERARCH ESO ISS PBLA24 START 13.928
HIERARCH ESO ISS PBLA24 END 14.103
HIERARCH ESO ISS PBL34 START 17.247
HIERARCH ESO ISS PBL34 END 17.263
HIERARCH ESO ISS PBLA34 START 194.006
HIERARCH ESO ISS PBLA34 END 194.181
HIERARCH ESO ISS AMBI TAU0 START 0.005322
HIERARCH ESO ISS AMBI TAU0 END 0.004755
HIERARCH ESO ISS AMBI TEMP 13.06
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.7