Exposure
ID
MATIS.2025-02-15T04:31:41.854_1
Header ID
MATIS.2025-02-15T04:31:41.854
Date updated
2025-02-15 04:40:41 UTC+0000
Release date
2026-02-15 04:40:40 UTC+0000
UTC Start
2025-02-15 04:31:41.854
UTC End
2025-02-15 04:32:41.862
MJD Start
60721.18867887
MJD End
60721.18937340704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.012394
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.53
Observation
ID
64533
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
48022
Name
T_Cha
RA
179.312384
DEC
-79.35845
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 40.3640 40.3580 10.4000 10.6000
U1-U3 78.2730 78.2580 16.7000 16.9000
U1-U4 123.5120 123.4920 37.3210 37.5550
U2-U3 38.4110 38.4030 23.3000 23.6000
U2-U4 89.4150 89.4140 49.1170 49.3620
U3-U4 57.3150 57.3330 66.0610 66.3150
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 60721.18867887
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME T_Cha
RA 179.312384
DEC -79.35845
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 40.364
HIERARCH ESO ISS PBL12 END 40.358
HIERARCH ESO ISS PBLA12 START 10.4
HIERARCH ESO ISS PBLA12 END 10.6
HIERARCH ESO ISS PBL13 START 78.273
HIERARCH ESO ISS PBL13 END 78.258
HIERARCH ESO ISS PBLA13 START 16.7
HIERARCH ESO ISS PBLA13 END 16.9
HIERARCH ESO ISS PBL14 START 123.512
HIERARCH ESO ISS PBL14 END 123.492
HIERARCH ESO ISS PBLA14 START 37.321
HIERARCH ESO ISS PBLA14 END 37.555
HIERARCH ESO ISS PBL23 START 38.411
HIERARCH ESO ISS PBL23 END 38.403
HIERARCH ESO ISS PBLA23 START 23.3
HIERARCH ESO ISS PBLA23 END 23.6
HIERARCH ESO ISS PBL24 START 89.415
HIERARCH ESO ISS PBL24 END 89.414
HIERARCH ESO ISS PBLA24 START 49.117
HIERARCH ESO ISS PBLA24 END 49.362
HIERARCH ESO ISS PBL34 START 57.315
HIERARCH ESO ISS PBL34 END 57.333
HIERARCH ESO ISS PBLA34 START 66.061
HIERARCH ESO ISS PBLA34 END 66.315
HIERARCH ESO ISS AMBI TAU0 START 0.013643
HIERARCH ESO ISS AMBI TAU0 END 0.011145
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.55