Exposure
ID
MATIS.2025-08-13T00:48:15.295_1
Header ID
MATIS.2025-08-13T00:48:15.295
Date updated
2025-08-13 01:00:59 UTC+0000
Release date
2025-08-13 00:48:15 UTC+0000
UTC Start
2025-08-13 00:48:15.295
UTC End
2025-08-13 00:49:17.305
MJD Start
60900.03351036
MJD End
60900.03422806833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003876
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.6799999999999999
Observation
ID
69970
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2980 25.2980 136.8000 136.8000
A0-D0 22.3440 22.4440 74.2000 74.2000
A0-C1 21.3340 21.3630 118.7850 118.7020
B2-D0 24.8940 24.9120 9.7000 9.9000
B2-C1 8.2950 8.3010 9.6250 9.8230
D0-C1 16.5990 16.6110 189.7020 189.9000
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 60900.03351036
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 189695
RA 300.244677
DEC 8.55766
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 25.298
HIERARCH ESO ISS PBL12 END 25.298
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 22.344
HIERARCH ESO ISS PBL13 END 22.444
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 21.334
HIERARCH ESO ISS PBL14 END 21.363
HIERARCH ESO ISS PBLA14 START 118.785
HIERARCH ESO ISS PBLA14 END 118.702
HIERARCH ESO ISS PBL23 START 24.894
HIERARCH ESO ISS PBL23 END 24.912
HIERARCH ESO ISS PBLA23 START 9.7
HIERARCH ESO ISS PBLA23 END 9.9
HIERARCH ESO ISS PBL24 START 8.295
HIERARCH ESO ISS PBL24 END 8.301
HIERARCH ESO ISS PBLA24 START 9.625
HIERARCH ESO ISS PBLA24 END 9.823
HIERARCH ESO ISS PBL34 START 16.599
HIERARCH ESO ISS PBL34 END 16.611
HIERARCH ESO ISS PBLA34 START 189.702
HIERARCH ESO ISS PBLA34 END 189.9
HIERARCH ESO ISS AMBI TAU0 START 0.003876
HIERARCH ESO ISS AMBI TAU0 END 0.003876
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.7