Exposure
ID
MATIS.2025-02-15T04:19:01.269_1
Header ID
MATIS.2025-02-15T04:19:01.269
Date updated
2025-02-15 04:25:40 UTC+0000
Release date
2026-02-15 04:25:40 UTC+0000
UTC Start
2025-02-15 04:19:01.269
UTC End
2025-02-15 04:20:01.277
MJD Start
60721.1798758
MJD End
60721.18057033704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.012029
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.7
Observation
ID
64515
Category
science
Program ID
114.28J0.002
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
48009
Name
T_Cha
RA
179.312221
DEC
-79.35849
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 40.4270 40.4230 7.8000 8.0000
U1-U3 78.4500 78.4370 14.1000 14.3000
U1-U4 123.7540 123.7350 34.3510 34.5930
U2-U3 38.5110 38.5030 20.6000 20.8000
U2-U4 89.4240 89.4240 45.9970 46.2510
U3-U4 57.0850 57.1040 62.8260 63.0900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.28J0.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60721.1798758
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME T_Cha
RA 179.312221
DEC -79.35849
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 2308
HIERARCH ESO ISS PBL12 START 40.427
HIERARCH ESO ISS PBL12 END 40.423
HIERARCH ESO ISS PBLA12 START 7.8
HIERARCH ESO ISS PBLA12 END 8.0
HIERARCH ESO ISS PBL13 START 78.45
HIERARCH ESO ISS PBL13 END 78.437
HIERARCH ESO ISS PBLA13 START 14.1
HIERARCH ESO ISS PBLA13 END 14.3
HIERARCH ESO ISS PBL14 START 123.754
HIERARCH ESO ISS PBL14 END 123.735
HIERARCH ESO ISS PBLA14 START 34.351
HIERARCH ESO ISS PBLA14 END 34.593
HIERARCH ESO ISS PBL23 START 38.511
HIERARCH ESO ISS PBL23 END 38.503
HIERARCH ESO ISS PBLA23 START 20.6
HIERARCH ESO ISS PBLA23 END 20.8
HIERARCH ESO ISS PBL24 START 89.424
HIERARCH ESO ISS PBL24 END 89.424
HIERARCH ESO ISS PBLA24 START 45.997
HIERARCH ESO ISS PBLA24 END 46.251
HIERARCH ESO ISS PBL34 START 57.085
HIERARCH ESO ISS PBL34 END 57.104
HIERARCH ESO ISS PBLA34 START 62.826
HIERARCH ESO ISS PBLA34 END 63.09
HIERARCH ESO ISS AMBI TAU0 START 0.011625
HIERARCH ESO ISS AMBI TAU0 END 0.012433
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.66