Exposure
ID
MATIS.2025-12-08T05:42:40.246_1
Header ID
MATIS.2025-12-08T05:42:40.246
Date updated
2025-12-08 05:51:09 UTC+0000
Release date
2026-12-08 05:51:09 UTC+0000
UTC Start
2025-12-08 05:42:40.246
UTC End
2025-12-08 05:43:40.986
MJD Start
61017.23796581
MJD End
61017.238668819264
Exposure time (s)
60.7
Validation level
1
Tau 0: Coherence time (s)
0.003301
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.755
Observation
ID
72050
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
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 51.5940 51.6540 37.4000 37.4000
U1-U3 96.4320 96.5310 42.2000 42.2000
U1-U4 130.1850 130.1750 61.3660 61.2820
U2-U3 45.2330 45.2690 47.7000 47.7000
U2-U4 85.6540 85.5460 75.5420 75.4420
U3-U4 50.2750 50.1180 100.3420 100.2940
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 61017.23796581
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911797
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 6.074
HIERARCH ESO DET NDIT 10
HIERARCH ESO ISS PBL12 START 51.594
HIERARCH ESO ISS PBL12 END 51.654
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 96.432
HIERARCH ESO ISS PBL13 END 96.531
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.2
HIERARCH ESO ISS PBL14 START 130.185
HIERARCH ESO ISS PBL14 END 130.175
HIERARCH ESO ISS PBLA14 START 61.366
HIERARCH ESO ISS PBLA14 END 61.282
HIERARCH ESO ISS PBL23 START 45.233
HIERARCH ESO ISS PBL23 END 45.269
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 85.654
HIERARCH ESO ISS PBL24 END 85.546
HIERARCH ESO ISS PBLA24 START 75.542
HIERARCH ESO ISS PBLA24 END 75.442
HIERARCH ESO ISS PBL34 START 50.275
HIERARCH ESO ISS PBL34 END 50.118
HIERARCH ESO ISS PBLA34 START 100.342
HIERARCH ESO ISS PBLA34 END 100.294
HIERARCH ESO ISS AMBI TAU0 START 0.003301
HIERARCH ESO ISS AMBI TAU0 END 0.003301
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.72