Exposure
ID
MATIS.2025-05-19T08:49:40.396_1
Header ID
MATIS.2025-05-19T08:49:40.396
Date updated
2025-05-19 09:00:56 UTC+0000
Release date
2025-05-19 08:49:40 UTC+0000
UTC Start
2025-05-19 08:49:40.396
UTC End
2025-05-19 08:50:42.796
MJD Start
60814.36782866
MJD End
60814.36855088222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.009453
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.39
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 25.2920 25.2930 146.6000 146.7000
A0-D0 31.5680 31.5480 75.6000 75.7000
A0-C1 22.5820 22.5780 120.4870 120.6350
B2-D0 33.4270 33.4150 29.9000 30.0000
B2-C1 11.1350 11.1310 29.8370 29.9430
D0-C1 22.2920 22.2840 209.9010 210.0070
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 60814.36782866
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 25.292
HIERARCH ESO ISS PBL12 END 25.293
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.7
HIERARCH ESO ISS PBL13 START 31.568
HIERARCH ESO ISS PBL13 END 31.548
HIERARCH ESO ISS PBLA13 START 75.6
HIERARCH ESO ISS PBLA13 END 75.7
HIERARCH ESO ISS PBL14 START 22.582
HIERARCH ESO ISS PBL14 END 22.578
HIERARCH ESO ISS PBLA14 START 120.487
HIERARCH ESO ISS PBLA14 END 120.635
HIERARCH ESO ISS PBL23 START 33.427
HIERARCH ESO ISS PBL23 END 33.415
HIERARCH ESO ISS PBLA23 START 29.9
HIERARCH ESO ISS PBLA23 END 30.0
HIERARCH ESO ISS PBL24 START 11.135
HIERARCH ESO ISS PBL24 END 11.131
HIERARCH ESO ISS PBLA24 START 29.837
HIERARCH ESO ISS PBLA24 END 29.943
HIERARCH ESO ISS PBL34 START 22.292
HIERARCH ESO ISS PBL34 END 22.284
HIERARCH ESO ISS PBLA34 START 209.901
HIERARCH ESO ISS PBLA34 END 210.007
HIERARCH ESO ISS AMBI TAU0 START 0.009118
HIERARCH ESO ISS AMBI TAU0 END 0.009788
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39