Exposure
ID
MATIS.2025-06-11T05:35:49.812_1
Header ID
MATIS.2025-06-11T05:35:49.812
Date updated
2025-06-11 05:42:21 UTC+0000
Release date
2025-06-11 05:35:49 UTC+0000
UTC Start
2025-06-11 05:35:49.812
UTC End
2025-06-11 05:36:51.536
MJD Start
60837.23321542
MJD End
60837.23392981815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.005889999999999999
Ambient temperature (°C)
12.37
Seeing (arcsec)
0.6
Observation
ID
68081
Category
calibrator
Program ID
115.2810.001
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
50601
Name
HD 181109
RA
290.110254
DEC
-31.81822
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5530 56.5510 18.0000 18.1000
U1-U3 102.4210 102.4240 24.1000 24.2000
U1-U4 128.7590 128.8180 51.1530 51.3150
U2-U3 46.5720 46.5780 31.4000 31.6000
U2-U4 87.1000 87.1760 71.9590 72.1160
U3-U4 59.8970 59.9650 102.3000 102.4270
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2810.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60837.23321542
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 181109
RA 290.110254
DEC -31.81822
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 1.3
HIERARCH ESO DET SEQ1 PERIOD 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 56.553
HIERARCH ESO ISS PBL12 END 56.551
HIERARCH ESO ISS PBLA12 START 18.0
HIERARCH ESO ISS PBLA12 END 18.1
HIERARCH ESO ISS PBL13 START 102.421
HIERARCH ESO ISS PBL13 END 102.424
HIERARCH ESO ISS PBLA13 START 24.1
HIERARCH ESO ISS PBLA13 END 24.2
HIERARCH ESO ISS PBL14 START 128.759
HIERARCH ESO ISS PBL14 END 128.818
HIERARCH ESO ISS PBLA14 START 51.153
HIERARCH ESO ISS PBLA14 END 51.315
HIERARCH ESO ISS PBL23 START 46.572
HIERARCH ESO ISS PBL23 END 46.578
HIERARCH ESO ISS PBLA23 START 31.4
HIERARCH ESO ISS PBLA23 END 31.6
HIERARCH ESO ISS PBL24 START 87.1
HIERARCH ESO ISS PBL24 END 87.176
HIERARCH ESO ISS PBLA24 START 71.959
HIERARCH ESO ISS PBLA24 END 72.116
HIERARCH ESO ISS PBL34 START 59.897
HIERARCH ESO ISS PBL34 END 59.965
HIERARCH ESO ISS PBLA34 START 102.3
HIERARCH ESO ISS PBLA34 END 102.427
HIERARCH ESO ISS AMBI TAU0 START 0.00552
HIERARCH ESO ISS AMBI TAU0 END 0.00626
HIERARCH ESO ISS AMBI TEMP 12.37
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.57