Exposure
ID
MATIS.2020-12-21T05:09:15.081_1
Header ID
MATIS.2020-12-21T05:09:15.081
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 05:09:15.081
UTC End
2020-12-21 05:10:15.057
MJD Start
59204.21475788
MJD End
59204.2154520467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005908
Ambient temperature (°C)
14.84
Seeing (arcsec)
0.475
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 67.5380 67.4900 270.3000 270.3000
K0-D0 95.9020 95.9180 253.0000 252.9000
K0-J3 47.9010 47.8370 331.8980 332.0080
G2-D0 37.3440 37.3850 220.3000 220.3000
G2-J3 61.4610 61.5250 47.0360 47.0580
D0-J3 98.6440 98.7500 44.4900 44.5190
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 59204.21475788
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 67.538
HIERARCH ESO ISS PBL12 END 67.49
HIERARCH ESO ISS PBLA12 START 270.3
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 95.902
HIERARCH ESO ISS PBL13 END 95.918
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 47.901
HIERARCH ESO ISS PBL14 END 47.837
HIERARCH ESO ISS PBLA14 START 331.898
HIERARCH ESO ISS PBLA14 END 332.008
HIERARCH ESO ISS PBL23 START 37.344
HIERARCH ESO ISS PBL23 END 37.385
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 61.461
HIERARCH ESO ISS PBL24 END 61.525
HIERARCH ESO ISS PBLA24 START 47.036
HIERARCH ESO ISS PBLA24 END 47.058
HIERARCH ESO ISS PBL34 START 98.644
HIERARCH ESO ISS PBL34 END 98.75
HIERARCH ESO ISS PBLA34 START 44.49
HIERARCH ESO ISS PBLA34 END 44.519
HIERARCH ESO ISS AMBI TAU0 START 0.005547
HIERARCH ESO ISS AMBI TAU0 END 0.006269
HIERARCH ESO ISS AMBI TEMP 14.84
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.5