Exposure
ID
MATIS.2020-12-27T02:07:42.718_1
Header ID
MATIS.2020-12-27T02:07:42.718
Date updated
2020-12-27 02:21:23 UTC+0000
Release date
2021-12-27 02:21:23 UTC+0000
UTC Start
2020-12-27 02:07:42.718
UTC End
2020-12-27 02:08:42.694
MJD Start
59210.08868886
MJD End
59210.0893830267
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005341
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.72
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 25.2570 25.2520 136.2000 136.2000
A0-D0 24.5150 24.6000 73.7000 73.8000
A0-C1 21.8470 21.8700 116.8480 116.7860
B2-D0 25.8090 25.8310 13.5000 13.7000
B2-C1 8.5990 8.6070 13.4980 13.6720
D0-C1 17.2090 17.2240 193.5760 193.7490
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 59210.08868886
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 25.257
HIERARCH ESO ISS PBL12 END 25.252
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.515
HIERARCH ESO ISS PBL13 END 24.6
HIERARCH ESO ISS PBLA13 START 73.7
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 21.847
HIERARCH ESO ISS PBL14 END 21.87
HIERARCH ESO ISS PBLA14 START 116.848
HIERARCH ESO ISS PBLA14 END 116.786
HIERARCH ESO ISS PBL23 START 25.809
HIERARCH ESO ISS PBL23 END 25.831
HIERARCH ESO ISS PBLA23 START 13.5
HIERARCH ESO ISS PBLA23 END 13.7
HIERARCH ESO ISS PBL24 START 8.599
HIERARCH ESO ISS PBL24 END 8.607
HIERARCH ESO ISS PBLA24 START 13.498
HIERARCH ESO ISS PBLA24 END 13.672
HIERARCH ESO ISS PBL34 START 17.209
HIERARCH ESO ISS PBL34 END 17.224
HIERARCH ESO ISS PBLA34 START 193.576
HIERARCH ESO ISS PBLA34 END 193.749
HIERARCH ESO ISS AMBI TAU0 START 0.005341
HIERARCH ESO ISS AMBI TAU0 END 0.005341
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.78