Exposure
ID
MATIS.2025-07-25T01:37:43.601_1
Header ID
MATIS.2025-07-25T01:37:43.601
Date updated
2025-07-25 01:45:56 UTC+0000
Release date
2025-07-25 01:37:43 UTC+0000
UTC Start
2025-07-25 01:37:43.601
UTC End
2025-07-25 01:38:45.263
MJD Start
60881.06786575
MJD End
60881.06857943056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.003617
Ambient temperature (°C)
11.87
Seeing (arcsec)
0.6950000000000001
Observation
ID
68957
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51240
Name
HD 138816
RA
234.048498
DEC
-44.39715
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1120 25.1160 154.0000 154.2000
A0-D0 29.6470 29.6080 87.3000 87.4000
A0-C1 22.5380 22.5330 130.3030 130.4950
B2-D0 30.3780 30.3480 37.8000 37.9000
B2-C1 10.1190 10.1090 37.7650 37.8740
D0-C1 20.2580 20.2380 217.8360 217.9440
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9130(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60881.06786575
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 138816
RA 234.048498
DEC -44.39715
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 25.112
HIERARCH ESO ISS PBL12 END 25.116
HIERARCH ESO ISS PBLA12 START 154.0
HIERARCH ESO ISS PBLA12 END 154.2
HIERARCH ESO ISS PBL13 START 29.647
HIERARCH ESO ISS PBL13 END 29.608
HIERARCH ESO ISS PBLA13 START 87.3
HIERARCH ESO ISS PBLA13 END 87.4
HIERARCH ESO ISS PBL14 START 22.538
HIERARCH ESO ISS PBL14 END 22.533
HIERARCH ESO ISS PBLA14 START 130.303
HIERARCH ESO ISS PBLA14 END 130.495
HIERARCH ESO ISS PBL23 START 30.378
HIERARCH ESO ISS PBL23 END 30.348
HIERARCH ESO ISS PBLA23 START 37.8
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.119
HIERARCH ESO ISS PBL24 END 10.109
HIERARCH ESO ISS PBLA24 START 37.765
HIERARCH ESO ISS PBLA24 END 37.874
HIERARCH ESO ISS PBL34 START 20.258
HIERARCH ESO ISS PBL34 END 20.238
HIERARCH ESO ISS PBLA34 START 217.836
HIERARCH ESO ISS PBLA34 END 217.944
HIERARCH ESO ISS AMBI TAU0 START 0.003617
HIERARCH ESO ISS AMBI TAU0 END 0.003617
HIERARCH ESO ISS AMBI TEMP 11.87
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.77