Exposure
ID
MATIS.2025-12-08T06:02:15.208_1
Header ID
MATIS.2025-12-08T06:02:15.208
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 06:02:15.208
UTC End
2025-12-08 06:03:17.218
MJD Start
61017.25156491
MJD End
61017.252282618334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.002731
Ambient temperature (°C)
11.52
Seeing (arcsec)
0.96
Observation
ID
72049
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53507
Name
V HL Tau
RA
67.9118
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 52.6740 52.7300 37.4000 37.4000
U1-U3 98.1680 98.2540 41.8000 41.8000
U1-U4 129.6800 129.6340 59.7020 59.6060
U2-U3 45.8310 45.8590 46.9000 46.9000
U2-U4 83.3800 83.2420 73.5780 73.4660
U3-U4 47.1480 46.9690 99.4450 99.3980
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 61017.25156491
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.9118
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 52.674
HIERARCH ESO ISS PBL12 END 52.73
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 98.168
HIERARCH ESO ISS PBL13 END 98.254
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.8
HIERARCH ESO ISS PBL14 START 129.68
HIERARCH ESO ISS PBL14 END 129.634
HIERARCH ESO ISS PBLA14 START 59.702
HIERARCH ESO ISS PBLA14 END 59.606
HIERARCH ESO ISS PBL23 START 45.831
HIERARCH ESO ISS PBL23 END 45.859
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 83.38
HIERARCH ESO ISS PBL24 END 83.242
HIERARCH ESO ISS PBLA24 START 73.578
HIERARCH ESO ISS PBLA24 END 73.466
HIERARCH ESO ISS PBL34 START 47.148
HIERARCH ESO ISS PBL34 END 46.969
HIERARCH ESO ISS PBLA34 START 99.445
HIERARCH ESO ISS PBLA34 END 99.398
HIERARCH ESO ISS AMBI TAU0 START 0.002718
HIERARCH ESO ISS AMBI TAU0 END 0.002744
HIERARCH ESO ISS AMBI TEMP 11.52
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.98