Exposure
ID
MATIS.2020-12-21T05:14:15.310_1
Header ID
MATIS.2020-12-21T05:14:15.310
Date updated
2020-12-21 05:25:50 UTC+0000
Release date
2021-12-21 05:25:49 UTC+0000
UTC Start
2020-12-21 05:14:15.310
UTC End
2020-12-21 05:15:15.286
MJD Start
59204.21823276
MJD End
59204.2189269267
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004299
Ambient temperature (°C)
14.81
Seeing (arcsec)
0.695
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 67.2930 67.2400 270.2000 270.1000
K0-D0 95.9610 95.9680 252.8000 252.8000
K0-J3 47.5920 47.5300 332.4430 332.5480
G2-D0 37.5410 37.5810 220.5000 220.5000
G2-J3 61.7650 61.8250 47.1440 47.1560
D0-J3 99.1500 99.2500 44.6320 44.6510
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 59204.21823276
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 67.293
HIERARCH ESO ISS PBL12 END 67.24
HIERARCH ESO ISS PBLA12 START 270.2
HIERARCH ESO ISS PBLA12 END 270.1
HIERARCH ESO ISS PBL13 START 95.961
HIERARCH ESO ISS PBL13 END 95.968
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 47.592
HIERARCH ESO ISS PBL14 END 47.53
HIERARCH ESO ISS PBLA14 START 332.443
HIERARCH ESO ISS PBLA14 END 332.548
HIERARCH ESO ISS PBL23 START 37.541
HIERARCH ESO ISS PBL23 END 37.581
HIERARCH ESO ISS PBLA23 START 220.5
HIERARCH ESO ISS PBLA23 END 220.5
HIERARCH ESO ISS PBL24 START 61.765
HIERARCH ESO ISS PBL24 END 61.825
HIERARCH ESO ISS PBLA24 START 47.144
HIERARCH ESO ISS PBLA24 END 47.156
HIERARCH ESO ISS PBL34 START 99.15
HIERARCH ESO ISS PBL34 END 99.25
HIERARCH ESO ISS PBLA34 START 44.632
HIERARCH ESO ISS PBLA34 END 44.651
HIERARCH ESO ISS AMBI TAU0 START 0.004299
HIERARCH ESO ISS AMBI TAU0 END 0.004299
HIERARCH ESO ISS AMBI TEMP 14.81
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.53