Exposure
ID
MATIS.2025-11-11T05:45:43.341_1
Header ID
MATIS.2025-11-11T05:45:43.341
Date updated
2025-11-11 05:55:53 UTC+0000
Release date
2025-11-11 05:45:43 UTC+0000
UTC Start
2025-11-11 05:45:43.341
UTC End
2025-11-11 05:46:43.401
MJD Start
60990.24008496
MJD End
60990.24078009889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003954
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.6499999999999999
Observation
ID
71478
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
53084
Name
HD 26946
RA
64.174336
DEC
26.35774
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 41.2450 41.3390 38.3000 38.4000
U1-U3 78.7780 78.9610 45.4000 45.4000
U1-U4 121.6970 121.8670 69.6830 69.6010
U2-U3 38.1920 38.2760 53.1000 53.1000
U2-U4 89.1050 89.1340 83.6270 83.5170
U3-U4 59.4590 59.3850 102.6680 102.5720
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 60990.24008496
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174336
DEC 26.35774
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 41.245
HIERARCH ESO ISS PBL12 END 41.339
HIERARCH ESO ISS PBLA12 START 38.3
HIERARCH ESO ISS PBLA12 END 38.4
HIERARCH ESO ISS PBL13 START 78.778
HIERARCH ESO ISS PBL13 END 78.961
HIERARCH ESO ISS PBLA13 START 45.4
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 121.697
HIERARCH ESO ISS PBL14 END 121.867
HIERARCH ESO ISS PBLA14 START 69.683
HIERARCH ESO ISS PBLA14 END 69.601
HIERARCH ESO ISS PBL23 START 38.192
HIERARCH ESO ISS PBL23 END 38.276
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 89.105
HIERARCH ESO ISS PBL24 END 89.134
HIERARCH ESO ISS PBLA24 START 83.627
HIERARCH ESO ISS PBLA24 END 83.517
HIERARCH ESO ISS PBL34 START 59.459
HIERARCH ESO ISS PBL34 END 59.385
HIERARCH ESO ISS PBLA34 START 102.668
HIERARCH ESO ISS PBLA34 END 102.572
HIERARCH ESO ISS AMBI TAU0 START 0.003763
HIERARCH ESO ISS AMBI TAU0 END 0.004145
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.61