Exposure
ID
MATIS.2020-12-27T05:15:50.967_1
Header ID
MATIS.2020-12-27T05:15:50.967
Date updated
2020-12-27 05:25:45 UTC+0000
Release date
2021-12-27 05:25:45 UTC+0000
UTC Start
2020-12-27 05:15:50.967
UTC End
2020-12-27 05:16:50.943
MJD Start
59210.2193399
MJD End
59210.2200340667
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003046
Ambient temperature (°C)
12.5
Seeing (arcsec)
1.02
Observation
ID
46211
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
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.7610 20.7220 142.8000 142.9000
A0-D0 31.8880 31.8760 71.9000 71.9000
A0-C1 20.0150 19.9720 112.7240 112.7430
B2-D0 31.8420 31.8710 33.9000 33.9000
B2-C1 10.6060 10.6150 33.8660 33.9100
D0-C1 21.2370 21.2560 213.9240 213.9680
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 59210.2193399
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.791947
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 714
HIERARCH ESO ISS PBL12 START 20.761
HIERARCH ESO ISS PBL12 END 20.722
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.9
HIERARCH ESO ISS PBL13 START 31.888
HIERARCH ESO ISS PBL13 END 31.876
HIERARCH ESO ISS PBLA13 START 71.9
HIERARCH ESO ISS PBLA13 END 71.9
HIERARCH ESO ISS PBL14 START 20.015
HIERARCH ESO ISS PBL14 END 19.972
HIERARCH ESO ISS PBLA14 START 112.724
HIERARCH ESO ISS PBLA14 END 112.743
HIERARCH ESO ISS PBL23 START 31.842
HIERARCH ESO ISS PBL23 END 31.871
HIERARCH ESO ISS PBLA23 START 33.9
HIERARCH ESO ISS PBLA23 END 33.9
HIERARCH ESO ISS PBL24 START 10.606
HIERARCH ESO ISS PBL24 END 10.615
HIERARCH ESO ISS PBLA24 START 33.866
HIERARCH ESO ISS PBLA24 END 33.91
HIERARCH ESO ISS PBL34 START 21.237
HIERARCH ESO ISS PBL34 END 21.256
HIERARCH ESO ISS PBLA34 START 213.924
HIERARCH ESO ISS PBLA34 END 213.968
HIERARCH ESO ISS AMBI TAU0 START 0.002684
HIERARCH ESO ISS AMBI TAU0 END 0.003408
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.95