Exposure
ID
MATIS.2020-12-27T03:42:12.749_1
Header ID
MATIS.2020-12-27T03:42:12.749
Date updated
2020-12-27 03:56:17 UTC+0000
Release date
2021-12-27 03:56:17 UTC+0000
UTC Start
2020-12-27 03:42:12.749
UTC End
2020-12-27 03:43:12.725
MJD Start
59210.15431422
MJD End
59210.1550083867
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006324
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.515
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 23.8280 23.8030 136.6000 136.6000
A0-D0 30.5400 30.5800 74.2000 74.2000
A0-C1 22.4880 22.4780 112.9820 112.9610
B2-D0 28.7230 28.7590 26.9000 27.1000
B2-C1 9.5680 9.5790 26.8970 27.0040
D0-C1 19.1560 19.1790 206.9710 207.0780
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 59210.15431422
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 23.828
HIERARCH ESO ISS PBL12 END 23.803
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 30.54
HIERARCH ESO ISS PBL13 END 30.58
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.488
HIERARCH ESO ISS PBL14 END 22.478
HIERARCH ESO ISS PBLA14 START 112.982
HIERARCH ESO ISS PBLA14 END 112.961
HIERARCH ESO ISS PBL23 START 28.723
HIERARCH ESO ISS PBL23 END 28.759
HIERARCH ESO ISS PBLA23 START 26.9
HIERARCH ESO ISS PBLA23 END 27.1
HIERARCH ESO ISS PBL24 START 9.568
HIERARCH ESO ISS PBL24 END 9.579
HIERARCH ESO ISS PBLA24 START 26.897
HIERARCH ESO ISS PBLA24 END 27.004
HIERARCH ESO ISS PBL34 START 19.156
HIERARCH ESO ISS PBL34 END 19.179
HIERARCH ESO ISS PBLA34 START 206.971
HIERARCH ESO ISS PBLA34 END 207.078
HIERARCH ESO ISS AMBI TAU0 START 0.006634
HIERARCH ESO ISS AMBI TAU0 END 0.006014
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.54