Exposure
ID
MATIS.2025-12-08T05:48:57.486_1
Header ID
MATIS.2025-12-08T05:48:57.486
Date updated
2025-12-08 05:55:43 UTC+0000
Release date
2026-12-08 05:55:43 UTC+0000
UTC Start
2025-12-08 05:48:57.486
UTC End
2025-12-08 05:50:02.486
MJD Start
61017.24233201
MJD End
61017.243084324815
Exposure time (s)
65.0
Validation level
1
Tau 0: Coherence time (s)
0.003027
Ambient temperature (°C)
11.3
Seeing (arcsec)
0.795
Observation
ID
72057
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53513
Name
V HL Tau
RA
67.911801
DEC
18.23222
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 51.9540 52.0160 37.4000 37.4000
U1-U3 97.0210 97.1210 42.1000 42.1000
U1-U4 130.0940 130.0710 60.8510 60.7590
U2-U3 45.4430 45.4780 47.5000 47.5000
U2-U4 84.9800 84.8560 74.9300 74.8210
U3-U4 49.3080 49.1350 100.0500 99.9990
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 61017.24233201
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911801
DEC 18.23222
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 51.954
HIERARCH ESO ISS PBL12 END 52.016
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 97.021
HIERARCH ESO ISS PBL13 END 97.121
HIERARCH ESO ISS PBLA13 START 42.1
HIERARCH ESO ISS PBLA13 END 42.1
HIERARCH ESO ISS PBL14 START 130.094
HIERARCH ESO ISS PBL14 END 130.071
HIERARCH ESO ISS PBLA14 START 60.851
HIERARCH ESO ISS PBLA14 END 60.759
HIERARCH ESO ISS PBL23 START 45.443
HIERARCH ESO ISS PBL23 END 45.478
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 84.98
HIERARCH ESO ISS PBL24 END 84.856
HIERARCH ESO ISS PBLA24 START 74.93
HIERARCH ESO ISS PBLA24 END 74.821
HIERARCH ESO ISS PBL34 START 49.308
HIERARCH ESO ISS PBL34 END 49.135
HIERARCH ESO ISS PBLA34 START 100.05
HIERARCH ESO ISS PBLA34 END 99.999
HIERARCH ESO ISS AMBI TAU0 START 0.003157
HIERARCH ESO ISS AMBI TAU0 END 0.002897
HIERARCH ESO ISS AMBI TEMP 11.3
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.8