Exposure
ID
MATIS.2025-07-20T05:31:04.093_1
Header ID
MATIS.2025-07-20T05:31:04.093
Date updated
2025-07-20 05:40:54 UTC+0000
Release date
2025-07-20 05:31:04 UTC+0000
UTC Start
2025-07-20 05:31:04.093
UTC End
2025-07-20 05:32:04.101
MJD Start
60876.22990848
MJD End
60876.230603017044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001462
Ambient temperature (°C)
13.38
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 90.5010 90.4970 121.0000 121.1000
A0-J2 128.3640 128.3110 98.5000 98.7000
A0-K0 125.4850 125.3980 76.9400 77.0810
G1-J2 56.5540 56.5110 60.8000 60.9000
G1-K0 87.2330 87.1900 30.7880 30.8900
J2-K0 47.5750 47.5780 354.3170 354.4240
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 60876.22990848
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 90.501
HIERARCH ESO ISS PBL12 END 90.497
HIERARCH ESO ISS PBLA12 START 121.0
HIERARCH ESO ISS PBLA12 END 121.1
HIERARCH ESO ISS PBL13 START 128.364
HIERARCH ESO ISS PBL13 END 128.311
HIERARCH ESO ISS PBLA13 START 98.5
HIERARCH ESO ISS PBLA13 END 98.7
HIERARCH ESO ISS PBL14 START 125.485
HIERARCH ESO ISS PBL14 END 125.398
HIERARCH ESO ISS PBLA14 START 76.94
HIERARCH ESO ISS PBLA14 END 77.081
HIERARCH ESO ISS PBL23 START 56.554
HIERARCH ESO ISS PBL23 END 56.511
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 87.233
HIERARCH ESO ISS PBL24 END 87.19
HIERARCH ESO ISS PBLA24 START 30.788
HIERARCH ESO ISS PBLA24 END 30.89
HIERARCH ESO ISS PBL34 START 47.575
HIERARCH ESO ISS PBL34 END 47.578
HIERARCH ESO ISS PBLA34 START 354.317
HIERARCH ESO ISS PBLA34 END 354.424
HIERARCH ESO ISS AMBI TAU0 START 0.001462
HIERARCH ESO ISS AMBI TAU0 END 0.001462
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.26