Exposure
ID
MATIS.2020-12-27T03:47:18.352_1
Header ID
MATIS.2020-12-27T03:47:18.352
Date updated
2020-12-27 04:01:01 UTC+0000
Release date
2021-12-27 04:01:01 UTC+0000
UTC Start
2020-12-27 03:47:18.352
UTC End
2020-12-27 03:48:18.328
MJD Start
59210.1578513
MJD End
59210.1585454667
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004569
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.64
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 23.6970 23.6700 136.8000 136.8000
A0-D0 30.7360 30.7740 74.2000 74.2000
A0-C1 22.4330 22.4200 112.8770 112.8570
B2-D0 28.9040 28.9410 27.5000 27.6000
B2-C1 9.6280 9.6400 27.4330 27.5390
D0-C1 19.2760 19.3010 207.5060 207.6120
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 59210.1578513
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 23.697
HIERARCH ESO ISS PBL12 END 23.67
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 30.736
HIERARCH ESO ISS PBL13 END 30.774
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.433
HIERARCH ESO ISS PBL14 END 22.42
HIERARCH ESO ISS PBLA14 START 112.877
HIERARCH ESO ISS PBLA14 END 112.857
HIERARCH ESO ISS PBL23 START 28.904
HIERARCH ESO ISS PBL23 END 28.941
HIERARCH ESO ISS PBLA23 START 27.5
HIERARCH ESO ISS PBLA23 END 27.6
HIERARCH ESO ISS PBL24 START 9.628
HIERARCH ESO ISS PBL24 END 9.64
HIERARCH ESO ISS PBLA24 START 27.433
HIERARCH ESO ISS PBLA24 END 27.539
HIERARCH ESO ISS PBL34 START 19.276
HIERARCH ESO ISS PBL34 END 19.301
HIERARCH ESO ISS PBLA34 START 207.506
HIERARCH ESO ISS PBLA34 END 207.612
HIERARCH ESO ISS AMBI TAU0 START 0.004569
HIERARCH ESO ISS AMBI TAU0 END 0.004569
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64