Exposure
ID
MATIS.2025-11-11T05:40:36.143_1
Header ID
MATIS.2025-11-11T05:40:36.143
Date updated
2025-11-11 05:50:48 UTC+0000
Release date
2025-11-11 05:40:36 UTC+0000
UTC Start
2025-11-11 05:40:36.143
UTC End
2025-11-11 05:41:36.203
MJD Start
60990.23652943
MJD End
60990.23722456889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.004155
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.615
Observation
ID
71471
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
53079
Name
HD 26946
RA
64.174331
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 40.7610 40.8590 38.0000 38.1000
U1-U3 77.8330 78.0250 45.3000 45.3000
U1-U4 120.8010 120.9850 70.1000 70.0160
U2-U3 37.7570 37.8450 53.2000 53.2000
U2-U4 88.9350 88.9720 84.1870 84.0740
U3-U4 59.8230 59.7510 103.1600 103.0610
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 60990.23652943
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174331
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 40.761
HIERARCH ESO ISS PBL12 END 40.859
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 77.833
HIERARCH ESO ISS PBL13 END 78.025
HIERARCH ESO ISS PBLA13 START 45.3
HIERARCH ESO ISS PBLA13 END 45.3
HIERARCH ESO ISS PBL14 START 120.801
HIERARCH ESO ISS PBL14 END 120.985
HIERARCH ESO ISS PBLA14 START 70.1
HIERARCH ESO ISS PBLA14 END 70.016
HIERARCH ESO ISS PBL23 START 37.757
HIERARCH ESO ISS PBL23 END 37.845
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 53.2
HIERARCH ESO ISS PBL24 START 88.935
HIERARCH ESO ISS PBL24 END 88.972
HIERARCH ESO ISS PBLA24 START 84.187
HIERARCH ESO ISS PBLA24 END 84.074
HIERARCH ESO ISS PBL34 START 59.823
HIERARCH ESO ISS PBL34 END 59.751
HIERARCH ESO ISS PBLA34 START 103.16
HIERARCH ESO ISS PBLA34 END 103.061
HIERARCH ESO ISS AMBI TAU0 START 0.004155
HIERARCH ESO ISS AMBI TAU0 END 0.004155
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.65