Exposure
ID
MATIS.2025-02-15T04:59:40.422_1
Header ID
MATIS.2025-02-15T04:59:40.422
Date updated
2025-02-15 05:05:42 UTC+0000
Release date
2025-02-15 04:59:40 UTC+0000
UTC Start
2025-02-15 04:59:40.422
UTC End
2025-02-15 05:00:42.438
MJD Start
60721.20810674
MJD End
60721.20882451778
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0131375
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.585
Observation
ID
64538
Category
calibrator
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
48025
Name
alf_Cha
RA
124.641109
DEC
-76.9188
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 36.6140 36.5760 59.4000 59.6000
U1-U3 70.1900 70.1200 67.8000 68.1000
U1-U4 114.2470 114.1840 95.3540 95.6100
U2-U3 34.3990 34.3680 76.9000 77.1000
U2-U4 87.3090 87.2900 109.6150 109.8710
U3-U4 61.2810 61.2900 127.3020 127.5470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.28J0.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60721.20810674
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Cha
RA 124.641109
DEC -76.9188
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 272
HIERARCH ESO ISS PBL12 START 36.614
HIERARCH ESO ISS PBL12 END 36.576
HIERARCH ESO ISS PBLA12 START 59.4
HIERARCH ESO ISS PBLA12 END 59.6
HIERARCH ESO ISS PBL13 START 70.19
HIERARCH ESO ISS PBL13 END 70.12
HIERARCH ESO ISS PBLA13 START 67.8
HIERARCH ESO ISS PBLA13 END 68.1
HIERARCH ESO ISS PBL14 START 114.247
HIERARCH ESO ISS PBL14 END 114.184
HIERARCH ESO ISS PBLA14 START 95.354
HIERARCH ESO ISS PBLA14 END 95.61
HIERARCH ESO ISS PBL23 START 34.399
HIERARCH ESO ISS PBL23 END 34.368
HIERARCH ESO ISS PBLA23 START 76.9
HIERARCH ESO ISS PBLA23 END 77.1
HIERARCH ESO ISS PBL24 START 87.309
HIERARCH ESO ISS PBL24 END 87.29
HIERARCH ESO ISS PBLA24 START 109.615
HIERARCH ESO ISS PBLA24 END 109.871
HIERARCH ESO ISS PBL34 START 61.281
HIERARCH ESO ISS PBL34 END 61.29
HIERARCH ESO ISS PBLA34 START 127.302
HIERARCH ESO ISS PBLA34 END 127.547
HIERARCH ESO ISS AMBI TAU0 START 0.010922
HIERARCH ESO ISS AMBI TAU0 END 0.015353
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.52