Exposure
ID
MATIS.2025-02-15T05:27:42.505_1
Header ID
MATIS.2025-02-15T05:27:42.505
Date updated
2025-02-15 05:40:40 UTC+0000
Release date
2026-02-15 05:40:40 UTC+0000
UTC Start
2025-02-15 05:27:42.505
UTC End
2025-02-15 05:28:44.515
MJD Start
60721.22757529
MJD End
60721.228292998334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.015113999999999999
Ambient temperature (°C)
13.02
Seeing (arcsec)
0.41
Observation
ID
64549
Category
science
Program ID
114.28J0.003
Program Title
EXPLORATION OF THE UNPRECEDENTED APPEARANCE AND FUTURE EVOLUTION OF SILICATE EMISSION IN THE DISK OF T CHA
Program Type
ToO
PI / COI
VARGA / ABRAHAM / LYKOU / KOSPAL / CHEN
Target
ID
48030
Name
T Cha
RA
179.309097
DEC
-79.35885
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 39.8740 39.8610 21.7000 21.9000
U1-U3 77.1330 77.1060 28.5000 28.7000
U1-U4 122.1810 122.1530 50.4570 50.7000
U2-U3 37.8230 37.8100 35.6000 35.8000
U2-U4 89.2950 89.2910 62.8470 63.1000
U3-U4 58.3220 58.3400 80.1470 80.4050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.28J0.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60721.22757529
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME T Cha
RA 179.309097
DEC -79.35885
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 39.874
HIERARCH ESO ISS PBL12 END 39.861
HIERARCH ESO ISS PBLA12 START 21.7
HIERARCH ESO ISS PBLA12 END 21.9
HIERARCH ESO ISS PBL13 START 77.133
HIERARCH ESO ISS PBL13 END 77.106
HIERARCH ESO ISS PBLA13 START 28.5
HIERARCH ESO ISS PBLA13 END 28.7
HIERARCH ESO ISS PBL14 START 122.181
HIERARCH ESO ISS PBL14 END 122.153
HIERARCH ESO ISS PBLA14 START 50.457
HIERARCH ESO ISS PBLA14 END 50.7
HIERARCH ESO ISS PBL23 START 37.823
HIERARCH ESO ISS PBL23 END 37.81
HIERARCH ESO ISS PBLA23 START 35.6
HIERARCH ESO ISS PBLA23 END 35.8
HIERARCH ESO ISS PBL24 START 89.295
HIERARCH ESO ISS PBL24 END 89.291
HIERARCH ESO ISS PBLA24 START 62.847
HIERARCH ESO ISS PBLA24 END 63.1
HIERARCH ESO ISS PBL34 START 58.322
HIERARCH ESO ISS PBL34 END 58.34
HIERARCH ESO ISS PBLA34 START 80.147
HIERARCH ESO ISS PBLA34 END 80.405
HIERARCH ESO ISS AMBI TAU0 START 0.015326
HIERARCH ESO ISS AMBI TAU0 END 0.014902
HIERARCH ESO ISS AMBI TEMP 13.02
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41