Exposure
ID
MATIS.2025-08-13T00:39:41.127_1
Header ID
MATIS.2025-08-13T00:39:41.127
Date updated
2025-08-13 00:50:58 UTC+0000
Release date
2025-08-13 00:39:41 UTC+0000
UTC Start
2025-08-13 00:39:41.127
UTC End
2025-08-13 00:40:42.789
MJD Start
60900.02755934
MJD End
60900.02827302056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.003539
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.78
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 25.2940 25.2950 137.2000 137.1000
A0-D0 21.5140 21.6160 73.9000 73.9000
A0-C1 21.0790 21.1110 119.4910 119.4030
B2-D0 24.7620 24.7770 8.0000 8.2000
B2-C1 8.2520 8.2560 7.9930 8.1920
D0-C1 16.5110 16.5200 188.0690 188.2670
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 60900.02755934
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 25.294
HIERARCH ESO ISS PBL12 END 25.295
HIERARCH ESO ISS PBLA12 START 137.2
HIERARCH ESO ISS PBLA12 END 137.1
HIERARCH ESO ISS PBL13 START 21.514
HIERARCH ESO ISS PBL13 END 21.616
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 21.079
HIERARCH ESO ISS PBL14 END 21.111
HIERARCH ESO ISS PBLA14 START 119.491
HIERARCH ESO ISS PBLA14 END 119.403
HIERARCH ESO ISS PBL23 START 24.762
HIERARCH ESO ISS PBL23 END 24.777
HIERARCH ESO ISS PBLA23 START 8.0
HIERARCH ESO ISS PBLA23 END 8.2
HIERARCH ESO ISS PBL24 START 8.252
HIERARCH ESO ISS PBL24 END 8.256
HIERARCH ESO ISS PBLA24 START 7.993
HIERARCH ESO ISS PBLA24 END 8.192
HIERARCH ESO ISS PBL34 START 16.511
HIERARCH ESO ISS PBL34 END 16.52
HIERARCH ESO ISS PBLA34 START 188.069
HIERARCH ESO ISS PBLA34 END 188.267
HIERARCH ESO ISS AMBI TAU0 START 0.003539
HIERARCH ESO ISS AMBI TAU0 END 0.003539
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.81