Exposure
ID
MATIS.2025-05-19T08:48:23.194_1
Header ID
MATIS.2025-05-19T08:48:23.194
Date updated
2025-05-19 08:55:57 UTC+0000
Release date
2025-05-19 08:48:23 UTC+0000
UTC Start
2025-05-19 08:48:23.194
UTC End
2025-05-19 08:49:25.594
MJD Start
60814.36693512
MJD End
60814.36765734222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.009118
Ambient temperature (°C)
12.31
Seeing (arcsec)
0.385
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 25.2900 25.2920 146.4000 146.6000
A0-D0 31.5920 31.5720 75.4000 75.5000
A0-C1 22.5880 22.5830 120.3020 120.4500
B2-D0 33.4400 33.4290 29.7000 29.9000
B2-C1 11.1390 11.1360 29.7010 29.8080
D0-C1 22.3010 22.2930 209.7650 209.8720
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 60814.36693512
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 25.29
HIERARCH ESO ISS PBL12 END 25.292
HIERARCH ESO ISS PBLA12 START 146.4
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 31.592
HIERARCH ESO ISS PBL13 END 31.572
HIERARCH ESO ISS PBLA13 START 75.4
HIERARCH ESO ISS PBLA13 END 75.5
HIERARCH ESO ISS PBL14 START 22.588
HIERARCH ESO ISS PBL14 END 22.583
HIERARCH ESO ISS PBLA14 START 120.302
HIERARCH ESO ISS PBLA14 END 120.45
HIERARCH ESO ISS PBL23 START 33.44
HIERARCH ESO ISS PBL23 END 33.429
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 11.139
HIERARCH ESO ISS PBL24 END 11.136
HIERARCH ESO ISS PBLA24 START 29.701
HIERARCH ESO ISS PBLA24 END 29.808
HIERARCH ESO ISS PBL34 START 22.301
HIERARCH ESO ISS PBL34 END 22.293
HIERARCH ESO ISS PBLA34 START 209.765
HIERARCH ESO ISS PBLA34 END 209.872
HIERARCH ESO ISS AMBI TAU0 START 0.009118
HIERARCH ESO ISS AMBI TAU0 END 0.009118
HIERARCH ESO ISS AMBI TEMP 12.31
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.39