Exposure
ID
MATIS.2020-12-18T05:22:16.722_1
Header ID
MATIS.2020-12-18T05:22:16.722
Date updated
2020-12-18 05:35:41 UTC+0000
Release date
2021-12-18 05:35:41 UTC+0000
UTC Start
2020-12-18 05:22:16.722
UTC End
2020-12-18 05:23:16.708
MJD Start
59201.22380465
MJD End
59201.2244989324
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0053295
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.72
Observation
ID
46188
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
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.4800 67.4320 270.3000 270.2000
K0-D0 95.9210 95.9340 252.9000 252.9000
K0-J3 47.8240 47.7630 332.0290 332.1360
G2-D0 37.3930 37.4330 220.3000 220.4000
G2-J3 61.5380 61.5990 47.0620 47.0820
D0-J3 98.7710 98.8730 44.5240 44.5510
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 59201.22380465
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 67.48
HIERARCH ESO ISS PBL12 END 67.432
HIERARCH ESO ISS PBLA12 START 270.3
HIERARCH ESO ISS PBLA12 END 270.2
HIERARCH ESO ISS PBL13 START 95.921
HIERARCH ESO ISS PBL13 END 95.934
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 47.824
HIERARCH ESO ISS PBL14 END 47.763
HIERARCH ESO ISS PBLA14 START 332.029
HIERARCH ESO ISS PBLA14 END 332.136
HIERARCH ESO ISS PBL23 START 37.393
HIERARCH ESO ISS PBL23 END 37.433
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.4
HIERARCH ESO ISS PBL24 START 61.538
HIERARCH ESO ISS PBL24 END 61.599
HIERARCH ESO ISS PBLA24 START 47.062
HIERARCH ESO ISS PBLA24 END 47.082
HIERARCH ESO ISS PBL34 START 98.771
HIERARCH ESO ISS PBL34 END 98.873
HIERARCH ESO ISS PBLA34 START 44.524
HIERARCH ESO ISS PBLA34 END 44.551
HIERARCH ESO ISS AMBI TAU0 START 0.005554
HIERARCH ESO ISS AMBI TAU0 END 0.005105
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.77