Exposure
ID
MATIS.2025-05-19T08:40:43.800_1
Header ID
MATIS.2025-05-19T08:40:43.800
Date updated
2025-05-19 08:51:03 UTC+0000
Release date
2025-05-19 08:40:43 UTC+0000
UTC Start
2025-05-19 08:40:43.800
UTC End
2025-05-19 08:41:46.200
MJD Start
60814.36161805
MJD End
60814.36234027222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.0085175
Ambient temperature (°C)
12.36
Seeing (arcsec)
0.545
Observation
ID
67458
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
50181
Name
HD 181109
RA
290.107755
DEC
-31.81755
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 25.2770 25.2790 145.5000 145.6000
A0-D0 31.7210 31.7040 74.5000 74.6000
A0-C1 22.6120 22.6100 119.2530 119.4090
B2-D0 33.5180 33.5070 29.0000 29.1000
B2-C1 11.1650 11.1620 28.9220 29.0430
D0-C1 22.3530 22.3460 208.9870 209.1070
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 60814.36161805
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 181109
RA 290.107755
DEC -31.81755
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 1.04
HIERARCH ESO DET NDIT 60
HIERARCH ESO ISS PBL12 START 25.277
HIERARCH ESO ISS PBL12 END 25.279
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.6
HIERARCH ESO ISS PBL13 START 31.721
HIERARCH ESO ISS PBL13 END 31.704
HIERARCH ESO ISS PBLA13 START 74.5
HIERARCH ESO ISS PBLA13 END 74.6
HIERARCH ESO ISS PBL14 START 22.612
HIERARCH ESO ISS PBL14 END 22.61
HIERARCH ESO ISS PBLA14 START 119.253
HIERARCH ESO ISS PBLA14 END 119.409
HIERARCH ESO ISS PBL23 START 33.518
HIERARCH ESO ISS PBL23 END 33.507
HIERARCH ESO ISS PBLA23 START 29.0
HIERARCH ESO ISS PBLA23 END 29.1
HIERARCH ESO ISS PBL24 START 11.165
HIERARCH ESO ISS PBL24 END 11.162
HIERARCH ESO ISS PBLA24 START 28.922
HIERARCH ESO ISS PBLA24 END 29.043
HIERARCH ESO ISS PBL34 START 22.353
HIERARCH ESO ISS PBL34 END 22.346
HIERARCH ESO ISS PBLA34 START 208.987
HIERARCH ESO ISS PBLA34 END 209.107
HIERARCH ESO ISS AMBI TAU0 START 0.008944
HIERARCH ESO ISS AMBI TAU0 END 0.008091
HIERARCH ESO ISS AMBI TEMP 12.36
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.54