Exposure
ID
MATIS.2020-12-18T04:33:04.848_1
Header ID
MATIS.2020-12-18T04:33:04.848
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 04:33:04.848
UTC End
2020-12-18 04:34:04.824
MJD Start
59201.18963944
MJD End
59201.1903336067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006111
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.585
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 68.2490 68.2640 271.9000 271.8000
K0-D0 93.2460 93.3410 254.0000 254.0000
K0-J3 50.7910 50.7330 327.6910 327.7660
G2-D0 35.1540 35.2050 217.6000 217.6000
G2-J3 57.8350 57.9240 45.2410 45.3000
D0-J3 92.7930 92.9340 42.3410 42.4070
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 59201.18963944
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 68.249
HIERARCH ESO ISS PBL12 END 68.264
HIERARCH ESO ISS PBLA12 START 271.9
HIERARCH ESO ISS PBLA12 END 271.8
HIERARCH ESO ISS PBL13 START 93.246
HIERARCH ESO ISS PBL13 END 93.341
HIERARCH ESO ISS PBLA13 START 254.0
HIERARCH ESO ISS PBLA13 END 254.0
HIERARCH ESO ISS PBL14 START 50.791
HIERARCH ESO ISS PBL14 END 50.733
HIERARCH ESO ISS PBLA14 START 327.691
HIERARCH ESO ISS PBLA14 END 327.766
HIERARCH ESO ISS PBL23 START 35.154
HIERARCH ESO ISS PBL23 END 35.205
HIERARCH ESO ISS PBLA23 START 217.6
HIERARCH ESO ISS PBLA23 END 217.6
HIERARCH ESO ISS PBL24 START 57.835
HIERARCH ESO ISS PBL24 END 57.924
HIERARCH ESO ISS PBLA24 START 45.241
HIERARCH ESO ISS PBLA24 END 45.3
HIERARCH ESO ISS PBL34 START 92.793
HIERARCH ESO ISS PBL34 END 92.934
HIERARCH ESO ISS PBLA34 START 42.341
HIERARCH ESO ISS PBLA34 END 42.407
HIERARCH ESO ISS AMBI TAU0 START 0.005991
HIERARCH ESO ISS AMBI TAU0 END 0.006231
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.61