Exposure
ID
MATIS.2020-12-21T05:07:44.432_1
Header ID
MATIS.2020-12-21T05:07:44.432
Date updated
2020-12-21 05:20:54 UTC+0000
Release date
2021-12-21 05:20:54 UTC+0000
UTC Start
2020-12-21 05:07:44.432
UTC End
2020-12-21 05:08:44.408
MJD Start
59204.2137087
MJD End
59204.2144028667
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006744
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.45
Observation
ID
46198
Category
science
Program ID
106.21L4.004
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
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6050 67.5600 270.4000 270.3000
K0-D0 95.8770 95.8950 253.0000 253.0000
K0-J3 47.9930 47.9300 331.7410 331.8540
G2-D0 37.2830 37.3240 220.2000 220.3000
G2-J3 61.3670 61.4310 47.0030 47.0320
D0-J3 98.4890 98.5940 44.4460 44.4820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59204.2137087
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 714
HIERARCH ESO ISS PBL12 START 67.605
HIERARCH ESO ISS PBL12 END 67.56
HIERARCH ESO ISS PBLA12 START 270.4
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 95.877
HIERARCH ESO ISS PBL13 END 95.895
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 47.993
HIERARCH ESO ISS PBL14 END 47.93
HIERARCH ESO ISS PBLA14 START 331.741
HIERARCH ESO ISS PBLA14 END 331.854
HIERARCH ESO ISS PBL23 START 37.283
HIERARCH ESO ISS PBL23 END 37.324
HIERARCH ESO ISS PBLA23 START 220.2
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 61.367
HIERARCH ESO ISS PBL24 END 61.431
HIERARCH ESO ISS PBLA24 START 47.003
HIERARCH ESO ISS PBLA24 END 47.032
HIERARCH ESO ISS PBL34 START 98.489
HIERARCH ESO ISS PBL34 END 98.594
HIERARCH ESO ISS PBLA34 START 44.446
HIERARCH ESO ISS PBLA34 END 44.482
HIERARCH ESO ISS AMBI TAU0 START 0.006744
HIERARCH ESO ISS AMBI TAU0 END 0.006744
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45