Exposure
ID
MATIS.2025-07-20T05:32:26.522_1
Header ID
MATIS.2025-07-20T05:32:26.522
Date updated
2025-07-20 05:40:54 UTC+0000
Release date
2025-07-20 05:32:26 UTC+0000
UTC Start
2025-07-20 05:32:26.522
UTC End
2025-07-20 05:33:26.530
MJD Start
60876.23086252
MJD End
60876.23155705704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001462
Ambient temperature (°C)
13.34
Seeing (arcsec)
1.26
Observation
ID
68879
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51243
Name
HD 189831
RA
300.888489
DEC
-37.94117
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4960 90.4910 121.2000 121.4000
A0-J2 128.2920 128.2370 98.7000 98.9000
A0-K0 125.3670 125.2780 77.1340 77.2870
G1-J2 56.4950 56.4520 61.0000 61.1000
G1-K0 87.1740 87.1300 30.9300 31.0440
J2-K0 47.5800 47.5830 354.4650 354.5850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9130(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60876.23086252
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 189831
RA 300.888489
DEC -37.94117
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 90.496
HIERARCH ESO ISS PBL12 END 90.491
HIERARCH ESO ISS PBLA12 START 121.2
HIERARCH ESO ISS PBLA12 END 121.4
HIERARCH ESO ISS PBL13 START 128.292
HIERARCH ESO ISS PBL13 END 128.237
HIERARCH ESO ISS PBLA13 START 98.7
HIERARCH ESO ISS PBLA13 END 98.9
HIERARCH ESO ISS PBL14 START 125.367
HIERARCH ESO ISS PBL14 END 125.278
HIERARCH ESO ISS PBLA14 START 77.134
HIERARCH ESO ISS PBLA14 END 77.287
HIERARCH ESO ISS PBL23 START 56.495
HIERARCH ESO ISS PBL23 END 56.452
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 87.174
HIERARCH ESO ISS PBL24 END 87.13
HIERARCH ESO ISS PBLA24 START 30.93
HIERARCH ESO ISS PBLA24 END 31.044
HIERARCH ESO ISS PBL34 START 47.58
HIERARCH ESO ISS PBL34 END 47.583
HIERARCH ESO ISS PBLA34 START 354.465
HIERARCH ESO ISS PBLA34 END 354.585
HIERARCH ESO ISS AMBI TAU0 START 0.001462
HIERARCH ESO ISS AMBI TAU0 END 0.001462
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.26