Exposure
ID
MATIS.2025-11-11T05:43:06.757_1
Header ID
MATIS.2025-11-11T05:43:06.757
Date updated
2025-11-11 05:50:48 UTC+0000
Release date
2025-11-11 05:43:06 UTC+0000
UTC Start
2025-11-11 05:43:06.757
UTC End
2025-11-11 05:44:06.817
MJD Start
60990.23827265
MJD End
60990.238967788886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0032685
Ambient temperature (°C)
13.6
Seeing (arcsec)
0.77
Observation
ID
71475
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
53082
Name
HD 26946
RA
64.174332
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 41.0000 41.0950 38.2000 38.2000
U1-U3 78.3010 78.4850 45.4000 45.4000
U1-U4 121.2490 121.4230 69.8950 69.8130
U2-U3 37.9730 38.0580 53.1000 53.1000
U2-U4 89.0230 89.0560 83.9110 83.8020
U3-U4 59.6460 59.5750 102.9170 102.8210
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 60990.23827265
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174332
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 41.0
HIERARCH ESO ISS PBL12 END 41.095
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 78.301
HIERARCH ESO ISS PBL13 END 78.485
HIERARCH ESO ISS PBLA13 START 45.4
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 121.249
HIERARCH ESO ISS PBL14 END 121.423
HIERARCH ESO ISS PBLA14 START 69.895
HIERARCH ESO ISS PBLA14 END 69.813
HIERARCH ESO ISS PBL23 START 37.973
HIERARCH ESO ISS PBL23 END 38.058
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 89.023
HIERARCH ESO ISS PBL24 END 89.056
HIERARCH ESO ISS PBLA24 START 83.911
HIERARCH ESO ISS PBLA24 END 83.802
HIERARCH ESO ISS PBL34 START 59.646
HIERARCH ESO ISS PBL34 END 59.575
HIERARCH ESO ISS PBLA34 START 102.917
HIERARCH ESO ISS PBLA34 END 102.821
HIERARCH ESO ISS AMBI TAU0 START 0.003232
HIERARCH ESO ISS AMBI TAU0 END 0.003305
HIERARCH ESO ISS AMBI TEMP 13.6
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.86