Exposure
ID
MATIS.2020-12-18T05:33:35.200_1
Header ID
MATIS.2020-12-18T05:33:35.200
Date updated
2020-12-18 05:46:13 UTC+0000
Release date
2021-12-18 05:46:12 UTC+0000
UTC Start
2020-12-18 05:33:35.200
UTC End
2020-12-18 05:34:35.176
MJD Start
59201.23165741
MJD End
59201.2323515767
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004298
Ambient temperature (°C)
12.67
Seeing (arcsec)
1.02
Observation
ID
46188
Category
science
Program ID
106.21L4.002
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
34773
Name
alf_Ori
RA
88.793067
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8670 66.8040 269.9000 269.9000
K0-D0 95.9710 95.9650 252.6000 252.5000
K0-J3 47.1320 47.0700 333.2790 333.4000
G2-D0 37.8260 37.8630 220.8000 220.8000
G2-J3 62.1930 62.2480 47.2600 47.2780
D0-J3 99.8670 99.9600 44.7990 44.8230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59201.23165741
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 66.867
HIERARCH ESO ISS PBL12 END 66.804
HIERARCH ESO ISS PBLA12 START 269.9
HIERARCH ESO ISS PBLA12 END 269.9
HIERARCH ESO ISS PBL13 START 95.971
HIERARCH ESO ISS PBL13 END 95.965
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.5
HIERARCH ESO ISS PBL14 START 47.132
HIERARCH ESO ISS PBL14 END 47.07
HIERARCH ESO ISS PBLA14 START 333.279
HIERARCH ESO ISS PBLA14 END 333.4
HIERARCH ESO ISS PBL23 START 37.826
HIERARCH ESO ISS PBL23 END 37.863
HIERARCH ESO ISS PBLA23 START 220.8
HIERARCH ESO ISS PBLA23 END 220.8
HIERARCH ESO ISS PBL24 START 62.193
HIERARCH ESO ISS PBL24 END 62.248
HIERARCH ESO ISS PBLA24 START 47.26
HIERARCH ESO ISS PBLA24 END 47.278
HIERARCH ESO ISS PBL34 START 99.867
HIERARCH ESO ISS PBL34 END 99.96
HIERARCH ESO ISS PBLA34 START 44.799
HIERARCH ESO ISS PBLA34 END 44.823
HIERARCH ESO ISS AMBI TAU0 START 0.004435
HIERARCH ESO ISS AMBI TAU0 END 0.004161
HIERARCH ESO ISS AMBI TEMP 12.67
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02