Exposure
ID
MATIS.2025-12-08T06:07:30.589_1
Header ID
MATIS.2025-12-08T06:07:30.589
Date updated
2025-12-08 06:15:54 UTC+0000
Release date
2026-12-08 06:15:54 UTC+0000
UTC Start
2025-12-08 06:07:30.589
UTC End
2025-12-08 06:08:32.599
MJD Start
61017.25521515
MJD End
61017.25593285833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0023
Ambient temperature (°C)
11.64
Seeing (arcsec)
1.02
Observation
ID
72051
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53508
Name
V HL Tau
RA
67.911797
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 52.9430 52.9950 37.4000 37.4000
U1-U3 98.5840 98.6630 41.7000 41.6000
U1-U4 129.4360 129.3830 59.2240 59.1290
U2-U3 45.9630 45.9880 46.6000 46.6000
U2-U4 82.6840 82.5440 73.0200 72.9090
U3-U4 46.2530 46.0750 99.2120 99.1660
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 61017.25521515
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911797
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 52.943
HIERARCH ESO ISS PBL12 END 52.995
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 98.584
HIERARCH ESO ISS PBL13 END 98.663
HIERARCH ESO ISS PBLA13 START 41.7
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 129.436
HIERARCH ESO ISS PBL14 END 129.383
HIERARCH ESO ISS PBLA14 START 59.224
HIERARCH ESO ISS PBLA14 END 59.129
HIERARCH ESO ISS PBL23 START 45.963
HIERARCH ESO ISS PBL23 END 45.988
HIERARCH ESO ISS PBLA23 START 46.6
HIERARCH ESO ISS PBLA23 END 46.6
HIERARCH ESO ISS PBL24 START 82.684
HIERARCH ESO ISS PBL24 END 82.544
HIERARCH ESO ISS PBLA24 START 73.02
HIERARCH ESO ISS PBLA24 END 72.909
HIERARCH ESO ISS PBL34 START 46.253
HIERARCH ESO ISS PBL34 END 46.075
HIERARCH ESO ISS PBLA34 START 99.212
HIERARCH ESO ISS PBLA34 END 99.166
HIERARCH ESO ISS AMBI TAU0 START 0.0023
HIERARCH ESO ISS AMBI TAU0 END 0.0023
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02