Exposure
ID
MATIS.2025-12-08T06:03:47.320_1
Header ID
MATIS.2025-12-08T06:03:47.320
Date updated
2025-12-08 06:11:31 UTC+0000
Release date
2026-12-08 06:11:31 UTC+0000
UTC Start
2025-12-08 06:03:47.320
UTC End
2025-12-08 06:04:49.330
MJD Start
61017.25263102
MJD End
61017.25334872833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.002744
Ambient temperature (°C)
11.63
Seeing (arcsec)
0.995
Observation
ID
72069
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53519
Name
V HL Tau
RA
67.911803
DEC
18.23222
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 52.7540 52.8080 37.4000 37.4000
U1-U3 98.2920 98.3760 41.8000 41.7000
U1-U4 129.6140 129.5650 59.5640 59.4680
U2-U3 45.8710 45.8980 46.8000 46.8000
U2-U4 83.1810 83.0410 73.4170 73.3040
U3-U4 46.8900 46.7090 99.3770 99.3290
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 61017.25263102
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911803
DEC 18.23222
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 52.754
HIERARCH ESO ISS PBL12 END 52.808
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 98.292
HIERARCH ESO ISS PBL13 END 98.376
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 129.614
HIERARCH ESO ISS PBL14 END 129.565
HIERARCH ESO ISS PBLA14 START 59.564
HIERARCH ESO ISS PBLA14 END 59.468
HIERARCH ESO ISS PBL23 START 45.871
HIERARCH ESO ISS PBL23 END 45.898
HIERARCH ESO ISS PBLA23 START 46.8
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 83.181
HIERARCH ESO ISS PBL24 END 83.041
HIERARCH ESO ISS PBLA24 START 73.417
HIERARCH ESO ISS PBLA24 END 73.304
HIERARCH ESO ISS PBL34 START 46.89
HIERARCH ESO ISS PBL34 END 46.709
HIERARCH ESO ISS PBLA34 START 99.377
HIERARCH ESO ISS PBLA34 END 99.329
HIERARCH ESO ISS AMBI TAU0 START 0.002744
HIERARCH ESO ISS AMBI TAU0 END 0.002744
HIERARCH ESO ISS AMBI TEMP 11.63
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 1.01