Exposure
ID
MATIS.2025-11-11T05:24:41.136_1
Header ID
MATIS.2025-11-11T05:24:41.136
Date updated
2025-11-11 05:35:51 UTC+0000
Release date
2025-11-11 05:24:41 UTC+0000
UTC Start
2025-11-11 05:24:41.136
UTC End
2025-11-11 05:25:41.196
MJD Start
60990.22547611
MJD End
60990.22617124888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003463
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.615
Observation
ID
71456
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
53070
Name
HD 26946
RA
64.174318
DEC
26.35775
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 39.2450 39.3410 37.0000 37.0000
U1-U3 74.8220 75.0150 44.8000 44.9000
U1-U4 117.7370 117.9430 71.3580 71.2800
U2-U3 36.3440 36.4350 53.3000 53.3000
U2-U4 88.1820 88.2390 85.9180 85.8090
U3-U4 60.8010 60.7460 104.7020 104.6040
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 60990.22547611
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174318
DEC 26.35775
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 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 39.245
HIERARCH ESO ISS PBL12 END 39.341
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 74.822
HIERARCH ESO ISS PBL13 END 75.015
HIERARCH ESO ISS PBLA13 START 44.8
HIERARCH ESO ISS PBLA13 END 44.9
HIERARCH ESO ISS PBL14 START 117.737
HIERARCH ESO ISS PBL14 END 117.943
HIERARCH ESO ISS PBLA14 START 71.358
HIERARCH ESO ISS PBLA14 END 71.28
HIERARCH ESO ISS PBL23 START 36.344
HIERARCH ESO ISS PBL23 END 36.435
HIERARCH ESO ISS PBLA23 START 53.3
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 88.182
HIERARCH ESO ISS PBL24 END 88.239
HIERARCH ESO ISS PBLA24 START 85.918
HIERARCH ESO ISS PBLA24 END 85.809
HIERARCH ESO ISS PBL34 START 60.801
HIERARCH ESO ISS PBL34 END 60.746
HIERARCH ESO ISS PBLA34 START 104.702
HIERARCH ESO ISS PBLA34 END 104.604
HIERARCH ESO ISS AMBI TAU0 START 0.002789
HIERARCH ESO ISS AMBI TAU0 END 0.004137
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.57