Exposure
ID
MATIS.2025-02-15T03:29:05.325_1
Header ID
MATIS.2025-02-15T03:29:05.325
Date updated
2025-02-15 03:35:42 UTC+0000
Release date
2025-02-15 03:29:05 UTC+0000
UTC Start
2025-02-15 03:29:05.325
UTC End
2025-02-15 03:30:05.289
MJD Start
60721.14520052
MJD End
60721.14589454777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.012249
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.98
Observation
ID
64488
Category
calibrator
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
47991
Name
alf_Cha
RA
124.63729
DEC
-76.91853
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 39.4610 39.4340 40.8000 41.1000
U1-U3 75.6030 75.5500 48.4000 48.6000
U1-U4 119.3050 119.2540 73.4810 73.7260
U2-U3 36.8460 36.8220 56.4000 56.7000
U2-U4 88.6680 88.6560 87.3680 87.6190
U3-U4 60.1270 60.1430 105.7310 105.9790
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.28J0.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60721.14520052
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Cha
RA 124.63729
DEC -76.91853
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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 39.461
HIERARCH ESO ISS PBL12 END 39.434
HIERARCH ESO ISS PBLA12 START 40.8
HIERARCH ESO ISS PBLA12 END 41.1
HIERARCH ESO ISS PBL13 START 75.603
HIERARCH ESO ISS PBL13 END 75.55
HIERARCH ESO ISS PBLA13 START 48.4
HIERARCH ESO ISS PBLA13 END 48.6
HIERARCH ESO ISS PBL14 START 119.305
HIERARCH ESO ISS PBL14 END 119.254
HIERARCH ESO ISS PBLA14 START 73.481
HIERARCH ESO ISS PBLA14 END 73.726
HIERARCH ESO ISS PBL23 START 36.846
HIERARCH ESO ISS PBL23 END 36.822
HIERARCH ESO ISS PBLA23 START 56.4
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 88.668
HIERARCH ESO ISS PBL24 END 88.656
HIERARCH ESO ISS PBLA24 START 87.368
HIERARCH ESO ISS PBLA24 END 87.619
HIERARCH ESO ISS PBL34 START 60.127
HIERARCH ESO ISS PBL34 END 60.143
HIERARCH ESO ISS PBLA34 START 105.731
HIERARCH ESO ISS PBLA34 END 105.979
HIERARCH ESO ISS AMBI TAU0 START 0.009617
HIERARCH ESO ISS AMBI TAU0 END 0.014881
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 0.94