Exposure
ID
MATIS.2020-12-27T03:02:24.345_1
Header ID
MATIS.2020-12-27T03:02:24.345
Date updated
2020-12-27 03:16:08 UTC+0000
Release date
2021-12-27 03:16:08 UTC+0000
UTC Start
2020-12-27 03:02:24.345
UTC End
2020-12-27 03:03:24.321
MJD Start
59210.12667066
MJD End
59210.1273648267
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004036
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.66
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 24.6730 24.6560 135.8000 135.8000
A0-D0 28.5340 28.5950 74.4000 74.4000
A0-C1 22.5970 22.6020 114.1500 114.1130
B2-D0 27.3510 27.3840 22.1000 22.2000
B2-C1 9.1110 9.1220 22.0380 22.1770
D0-C1 18.2390 18.2620 202.1160 202.2550
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 59210.12667066
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 24.673
HIERARCH ESO ISS PBL12 END 24.656
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 28.534
HIERARCH ESO ISS PBL13 END 28.595
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.597
HIERARCH ESO ISS PBL14 END 22.602
HIERARCH ESO ISS PBLA14 START 114.15
HIERARCH ESO ISS PBLA14 END 114.113
HIERARCH ESO ISS PBL23 START 27.351
HIERARCH ESO ISS PBL23 END 27.384
HIERARCH ESO ISS PBLA23 START 22.1
HIERARCH ESO ISS PBLA23 END 22.2
HIERARCH ESO ISS PBL24 START 9.111
HIERARCH ESO ISS PBL24 END 9.122
HIERARCH ESO ISS PBLA24 START 22.038
HIERARCH ESO ISS PBLA24 END 22.177
HIERARCH ESO ISS PBL34 START 18.239
HIERARCH ESO ISS PBL34 END 18.262
HIERARCH ESO ISS PBLA34 START 202.116
HIERARCH ESO ISS PBLA34 END 202.255
HIERARCH ESO ISS AMBI TAU0 START 0.004036
HIERARCH ESO ISS AMBI TAU0 END 0.004036
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66