Exposure
ID
MATIS.2025-11-11T05:44:22.086_1
Header ID
MATIS.2025-11-11T05:44:22.086
Date updated
2025-11-11 05:55:53 UTC+0000
Release date
2025-11-11 05:44:22 UTC+0000
UTC Start
2025-11-11 05:44:22.086
UTC End
2025-11-11 05:45:22.146
MJD Start
60990.23914451
MJD End
60990.239839648886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003305
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.7749999999999999
Observation
ID
71480
Category
calibrator
Program ID
116.2910.001
Program Title
CIRCUMSTELLAR DISK EVOLUTION AND DISSIPATION IN YOUNG BINARY SYSTEMS
Program Type
Normal
PI / COI
PRATO / KOEHLER / SCHAEFER
Target
ID
53085
Name
HD 26946
RA
64.174334
DEC
26.35773
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 41.1170 41.2140 38.2000 38.3000
U1-U3 78.5280 78.7170 45.4000 45.4000
U1-U4 121.4630 121.6400 69.7940 69.7100
U2-U3 38.0770 38.1640 53.1000 53.1000
U2-U4 89.0630 89.0950 83.7760 83.6630
U3-U4 59.5580 59.4830 102.7990 102.7000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.2910.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60990.23914451
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174334
DEC 26.35773
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 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 41.117
HIERARCH ESO ISS PBL12 END 41.214
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.3
HIERARCH ESO ISS PBL13 START 78.528
HIERARCH ESO ISS PBL13 END 78.717
HIERARCH ESO ISS PBLA13 START 45.4
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 121.463
HIERARCH ESO ISS PBL14 END 121.64
HIERARCH ESO ISS PBLA14 START 69.794
HIERARCH ESO ISS PBLA14 END 69.71
HIERARCH ESO ISS PBL23 START 38.077
HIERARCH ESO ISS PBL23 END 38.164
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 89.063
HIERARCH ESO ISS PBL24 END 89.095
HIERARCH ESO ISS PBLA24 START 83.776
HIERARCH ESO ISS PBLA24 END 83.663
HIERARCH ESO ISS PBL34 START 59.558
HIERARCH ESO ISS PBL34 END 59.483
HIERARCH ESO ISS PBLA34 START 102.799
HIERARCH ESO ISS PBLA34 END 102.7
HIERARCH ESO ISS AMBI TAU0 START 0.003305
HIERARCH ESO ISS AMBI TAU0 END 0.003305
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.69