Exposure
ID
MATIS.2025-08-13T00:36:51.977_1
Header ID
MATIS.2025-08-13T00:36:51.977
Date updated
2025-08-13 00:46:00 UTC+0000
Release date
2025-08-13 00:36:51 UTC+0000
UTC Start
2025-08-13 00:36:51.977
UTC End
2025-08-13 00:37:53.639
MJD Start
60900.02560159
MJD End
60900.02631527056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.003324
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.79
Observation
ID
69969
Category
calibrator
Program ID
115.2810.018
Program Title
THE DYNAMICAL INNER REGIONS OF PROTO-PLANETARY DISKS WITH VLTI-MATISSE
Program Type
GTO
PI / COI
VAN BOEKEL / MATTER / LOPEZ / JAFFE / HOGERHEIJDE / VAN HAASTERE / SCHEUCK / WEIGELT / VARGA / WATERS / AUGEREAU / HOFMANN / MILLOUR / PANTIN / WOLF / HENNING / SCHERTL / DANCHI / HOULLÉ / DOMINIK / BOLEY / KOKOULINA / PRIOLET / MA
Target
ID
51918
Name
HD 189695
RA
300.244677
DEC
8.55766
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2890 25.2910 137.3000 137.2000
A0-D0 21.2360 21.3380 73.8000 73.8000
A0-C1 20.9910 21.0230 119.7330 119.6430
B2-D0 24.7240 24.7380 7.5000 7.7000
B2-C1 8.2390 8.2430 7.4500 7.6500
D0-C1 16.4850 16.4940 187.5250 187.7250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2810.018
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60900.02560159
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 189695
RA 300.244677
DEC 8.55766
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 25.289
HIERARCH ESO ISS PBL12 END 25.291
HIERARCH ESO ISS PBLA12 START 137.3
HIERARCH ESO ISS PBLA12 END 137.2
HIERARCH ESO ISS PBL13 START 21.236
HIERARCH ESO ISS PBL13 END 21.338
HIERARCH ESO ISS PBLA13 START 73.8
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 20.991
HIERARCH ESO ISS PBL14 END 21.023
HIERARCH ESO ISS PBLA14 START 119.733
HIERARCH ESO ISS PBLA14 END 119.643
HIERARCH ESO ISS PBL23 START 24.724
HIERARCH ESO ISS PBL23 END 24.738
HIERARCH ESO ISS PBLA23 START 7.5
HIERARCH ESO ISS PBLA23 END 7.7
HIERARCH ESO ISS PBL24 START 8.239
HIERARCH ESO ISS PBL24 END 8.243
HIERARCH ESO ISS PBLA24 START 7.45
HIERARCH ESO ISS PBLA24 END 7.65
HIERARCH ESO ISS PBL34 START 16.485
HIERARCH ESO ISS PBL34 END 16.494
HIERARCH ESO ISS PBLA34 START 187.525
HIERARCH ESO ISS PBLA34 END 187.725
HIERARCH ESO ISS AMBI TAU0 START 0.003324
HIERARCH ESO ISS AMBI TAU0 END 0.003324
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79