Exposure
ID
MATIS.2025-02-15T03:34:32.922_1
Header ID
MATIS.2025-02-15T03:34:32.922
Date updated
2025-02-15 03:45:31 UTC+0000
Release date
2025-02-15 03:34:32 UTC+0000
UTC Start
2025-02-15 03:34:32.922
UTC End
2025-02-15 03:35:32.930
MJD Start
60721.14899215
MJD End
60721.149686687044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.012359
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.69
Observation
ID
64495
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
47995
Name
alf_Cha
RA
124.637321
DEC
-76.91854
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 39.3170 39.2890 41.9000 42.2000
U1-U3 75.3220 75.2680 49.5000 49.7000
U1-U4 119.0340 118.9820 74.7780 75.0230
U2-U3 36.7160 36.6920 57.6000 57.9000
U2-U4 88.6040 88.5920 88.7000 88.9520
U3-U4 60.2130 60.2300 107.0410 107.2880
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 60721.14899215
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Cha
RA 124.637321
DEC -76.91854
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 39.317
HIERARCH ESO ISS PBL12 END 39.289
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 42.2
HIERARCH ESO ISS PBL13 START 75.322
HIERARCH ESO ISS PBL13 END 75.268
HIERARCH ESO ISS PBLA13 START 49.5
HIERARCH ESO ISS PBLA13 END 49.7
HIERARCH ESO ISS PBL14 START 119.034
HIERARCH ESO ISS PBL14 END 118.982
HIERARCH ESO ISS PBLA14 START 74.778
HIERARCH ESO ISS PBLA14 END 75.023
HIERARCH ESO ISS PBL23 START 36.716
HIERARCH ESO ISS PBL23 END 36.692
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 88.604
HIERARCH ESO ISS PBL24 END 88.592
HIERARCH ESO ISS PBLA24 START 88.7
HIERARCH ESO ISS PBLA24 END 88.952
HIERARCH ESO ISS PBL34 START 60.213
HIERARCH ESO ISS PBL34 END 60.23
HIERARCH ESO ISS PBLA34 START 107.041
HIERARCH ESO ISS PBLA34 END 107.288
HIERARCH ESO ISS AMBI TAU0 START 0.012359
HIERARCH ESO ISS AMBI TAU0 END 0.012359
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69