Exposure
ID
MATIS.2025-12-08T05:44:58.172_1
Header ID
MATIS.2025-12-08T05:44:58.172
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 05:44:58.172
UTC End
2025-12-08 05:46:00.182
MJD Start
61017.23956218
MJD End
61017.240279888334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003351
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.74
Observation
ID
72053
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53509
Name
V HL Tau
RA
67.911799
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 51.7270 51.7870 37.4000 37.4000
U1-U3 96.6520 96.7490 42.2000 42.2000
U1-U4 130.1590 130.1450 61.1790 61.0940
U2-U3 45.3120 45.3470 47.7000 47.6000
U2-U4 85.4130 85.3020 75.3190 75.2180
U3-U4 49.9240 49.7650 100.2340 100.1860
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 61017.23956218
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V HL Tau
RA 67.911799
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 51.727
HIERARCH ESO ISS PBL12 END 51.787
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 96.652
HIERARCH ESO ISS PBL13 END 96.749
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.2
HIERARCH ESO ISS PBL14 START 130.159
HIERARCH ESO ISS PBL14 END 130.145
HIERARCH ESO ISS PBLA14 START 61.179
HIERARCH ESO ISS PBLA14 END 61.094
HIERARCH ESO ISS PBL23 START 45.312
HIERARCH ESO ISS PBL23 END 45.347
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 85.413
HIERARCH ESO ISS PBL24 END 85.302
HIERARCH ESO ISS PBLA24 START 75.319
HIERARCH ESO ISS PBLA24 END 75.218
HIERARCH ESO ISS PBL34 START 49.924
HIERARCH ESO ISS PBL34 END 49.765
HIERARCH ESO ISS PBLA34 START 100.234
HIERARCH ESO ISS PBLA34 END 100.186
HIERARCH ESO ISS AMBI TAU0 START 0.003325
HIERARCH ESO ISS AMBI TAU0 END 0.003377
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.76