Exposure
ID
MATIS.2025-02-15T04:59:40.873_1
Header ID
MATIS.2025-02-15T04:59:40.873
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 04:59:40.873
UTC End
2025-02-15 05:00:42.883
MJD Start
60721.20811196
MJD End
60721.20882966833
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
64539
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
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 36.6140 36.5750 59.4000 59.6000
U1-U3 70.1900 70.1180 67.8000 68.1000
U1-U4 114.2470 114.1820 95.3540 95.6180
U2-U3 34.3990 34.3670 76.9000 77.1000
U2-U4 87.3090 87.2900 109.6150 109.8800
U3-U4 61.2810 61.2910 127.3020 127.5550
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 60721.20811196
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Cha
RA 124.641109
DEC -76.9188
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 36.614
HIERARCH ESO ISS PBL12 END 36.575
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 70.118
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 114.182
HIERARCH ESO ISS PBLA14 START 95.354
HIERARCH ESO ISS PBLA14 END 95.618
HIERARCH ESO ISS PBL23 START 34.399
HIERARCH ESO ISS PBL23 END 34.367
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 109.88
HIERARCH ESO ISS PBL34 START 61.281
HIERARCH ESO ISS PBL34 END 61.291
HIERARCH ESO ISS PBLA34 START 127.302
HIERARCH ESO ISS PBLA34 END 127.555
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