Exposure
ID
MATIS.2020-12-18T04:34:29.497_1
Header ID
MATIS.2020-12-18T04:34:29.497
Date updated
2020-12-18 04:46:10 UTC+0000
Release date
2021-12-18 04:46:10 UTC+0000
UTC Start
2020-12-18 04:34:29.497
UTC End
2020-12-18 04:35:29.473
MJD Start
59201.19061918
MJD End
59201.1913133467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0069805
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.57
Observation
ID
46187
Category
science
Program ID
106.21L4.002
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 68.2700 68.2840 271.8000 271.8000
K0-D0 93.3790 93.4720 254.0000 254.0000
K0-J3 50.7090 50.6500 327.7950 327.8650
G2-D0 35.2250 35.2760 217.7000 217.7000
G2-J3 57.9590 58.0470 45.3210 45.3710
D0-J3 92.9890 93.1290 42.4320 42.4900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59201.19061918
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 68.27
HIERARCH ESO ISS PBL12 END 68.284
HIERARCH ESO ISS PBLA12 START 271.8
HIERARCH ESO ISS PBLA12 END 271.8
HIERARCH ESO ISS PBL13 START 93.379
HIERARCH ESO ISS PBL13 END 93.472
HIERARCH ESO ISS PBLA13 START 254.0
HIERARCH ESO ISS PBLA13 END 254.0
HIERARCH ESO ISS PBL14 START 50.709
HIERARCH ESO ISS PBL14 END 50.65
HIERARCH ESO ISS PBLA14 START 327.795
HIERARCH ESO ISS PBLA14 END 327.865
HIERARCH ESO ISS PBL23 START 35.225
HIERARCH ESO ISS PBL23 END 35.276
HIERARCH ESO ISS PBLA23 START 217.7
HIERARCH ESO ISS PBLA23 END 217.7
HIERARCH ESO ISS PBL24 START 57.959
HIERARCH ESO ISS PBL24 END 58.047
HIERARCH ESO ISS PBLA24 START 45.321
HIERARCH ESO ISS PBLA24 END 45.371
HIERARCH ESO ISS PBL34 START 92.989
HIERARCH ESO ISS PBL34 END 93.129
HIERARCH ESO ISS PBLA34 START 42.432
HIERARCH ESO ISS PBLA34 END 42.49
HIERARCH ESO ISS AMBI TAU0 START 0.006092
HIERARCH ESO ISS AMBI TAU0 END 0.007869
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.53