Exposure
ID
MATIS.2025-12-08T05:51:46.221_1
Header ID
MATIS.2025-12-08T05:51:46.221
Date updated
2025-12-08 06:01:05 UTC+0000
Release date
2026-12-08 06:01:05 UTC+0000
UTC Start
2025-12-08 05:51:46.221
UTC End
2025-12-08 05:52:51.221
MJD Start
61017.24428496
MJD End
61017.24503727481
Exposure time (s)
65.0
Validation level
1
Tau 0: Coherence time (s)
0.002904
Ambient temperature (°C)
11.34
Seeing (arcsec)
0.835
Observation
ID
72061
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53516
Name
V HL Tau
RA
67.911803
DEC
18.23221
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 52.1120 52.1730 37.4000 37.4000
U1-U3 97.2770 97.3750 42.1000 42.0000
U1-U4 130.0300 130.0020 60.6130 60.5190
U2-U3 45.5320 45.5660 47.4000 47.3000
U2-U4 84.6580 84.5300 74.6480 74.5380
U3-U4 48.8610 48.6850 99.9190 99.8690
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 61017.24428496
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911803
DEC 18.23221
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 5.0
HIERARCH ESO DET SEQ1 PERIOD 6.5
HIERARCH ESO DET NDIT 10
HIERARCH ESO ISS PBL12 START 52.112
HIERARCH ESO ISS PBL12 END 52.173
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 97.277
HIERARCH ESO ISS PBL13 END 97.375
HIERARCH ESO ISS PBLA13 START 42.1
HIERARCH ESO ISS PBLA13 END 42.0
HIERARCH ESO ISS PBL14 START 130.03
HIERARCH ESO ISS PBL14 END 130.002
HIERARCH ESO ISS PBLA14 START 60.613
HIERARCH ESO ISS PBLA14 END 60.519
HIERARCH ESO ISS PBL23 START 45.532
HIERARCH ESO ISS PBL23 END 45.566
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 84.658
HIERARCH ESO ISS PBL24 END 84.53
HIERARCH ESO ISS PBLA24 START 74.648
HIERARCH ESO ISS PBLA24 END 74.538
HIERARCH ESO ISS PBL34 START 48.861
HIERARCH ESO ISS PBL34 END 48.685
HIERARCH ESO ISS PBLA34 START 99.919
HIERARCH ESO ISS PBLA34 END 99.869
HIERARCH ESO ISS AMBI TAU0 START 0.002904
HIERARCH ESO ISS AMBI TAU0 END 0.002904
HIERARCH ESO ISS AMBI TEMP 11.34
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.87