Exposure
ID
MATIS.2025-11-09T06:59:38.346_1
Header ID
MATIS.2025-11-09T06:59:38.346
Date updated
2025-11-09 07:05:40 UTC+0000
Release date
2025-11-09 06:59:38 UTC+0000
UTC Start
2025-11-09 06:59:38.346
UTC End
2025-11-09 07:00:40.070
MJD Start
60988.29141604
MJD End
60988.29213043815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.004248
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.53
Observation
ID
71311
Category
calibrator
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52958
Name
HD 285851
RA
68.251285
DEC
17.72704
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 49.3260 49.3990 36.5000 36.5000
U1-U3 92.4580 92.5890 42.2000 42.2000
U1-U4 129.2960 129.3560 64.1180 64.0500
U2-U3 43.6560 43.7100 48.7000 48.7000
U2-U4 88.5830 88.5280 79.0720 78.9840
U3-U4 55.4930 55.3680 102.5050 102.4520
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60988.29141604
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 285851
RA 68.251285
DEC 17.72704
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 1.3
HIERARCH ESO DET SEQ1 PERIOD 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 49.326
HIERARCH ESO ISS PBL12 END 49.399
HIERARCH ESO ISS PBLA12 START 36.5
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 92.458
HIERARCH ESO ISS PBL13 END 92.589
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.2
HIERARCH ESO ISS PBL14 START 129.296
HIERARCH ESO ISS PBL14 END 129.356
HIERARCH ESO ISS PBLA14 START 64.118
HIERARCH ESO ISS PBLA14 END 64.05
HIERARCH ESO ISS PBL23 START 43.656
HIERARCH ESO ISS PBL23 END 43.71
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 88.583
HIERARCH ESO ISS PBL24 END 88.528
HIERARCH ESO ISS PBLA24 START 79.072
HIERARCH ESO ISS PBLA24 END 78.984
HIERARCH ESO ISS PBL34 START 55.493
HIERARCH ESO ISS PBL34 END 55.368
HIERARCH ESO ISS PBLA34 START 102.505
HIERARCH ESO ISS PBLA34 END 102.452
HIERARCH ESO ISS AMBI TAU0 START 0.00418
HIERARCH ESO ISS AMBI TAU0 END 0.004316
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.54