Exposure
ID
MATIS.2025-08-12T03:08:16.079_1
Header ID
MATIS.2025-08-12T03:08:16.079
Date updated
2025-08-12 03:15:51 UTC+0000
Release date
2025-08-12 03:08:16 UTC+0000
UTC Start
2025-08-12 03:08:16.079
UTC End
2025-08-12 03:09:18.479
MJD Start
60899.13074166
MJD End
60899.13146388222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.003044
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.88
Observation
ID
69961
Category
calibrator
Program ID
115.2810.012
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
50176
Name
HD 159881
RA
264.548643
DEC
-28.04686
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 24.8120 24.8050 160.1000 160.2000
A0-D0 27.9520 27.8870 85.1000 85.2000
A0-C1 20.9740 20.9480 134.6720 134.8680
B2-D0 32.2200 32.1930 37.0000 37.1000
B2-C1 10.7340 10.7250 36.9510 37.0150
D0-C1 21.4860 21.4680 217.0130 217.0760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2810.012
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60899.13074166
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.548643
DEC -28.04686
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 24.812
HIERARCH ESO ISS PBL12 END 24.805
HIERARCH ESO ISS PBLA12 START 160.1
HIERARCH ESO ISS PBLA12 END 160.2
HIERARCH ESO ISS PBL13 START 27.952
HIERARCH ESO ISS PBL13 END 27.887
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.2
HIERARCH ESO ISS PBL14 START 20.974
HIERARCH ESO ISS PBL14 END 20.948
HIERARCH ESO ISS PBLA14 START 134.672
HIERARCH ESO ISS PBLA14 END 134.868
HIERARCH ESO ISS PBL23 START 32.22
HIERARCH ESO ISS PBL23 END 32.193
HIERARCH ESO ISS PBLA23 START 37.0
HIERARCH ESO ISS PBLA23 END 37.1
HIERARCH ESO ISS PBL24 START 10.734
HIERARCH ESO ISS PBL24 END 10.725
HIERARCH ESO ISS PBLA24 START 36.951
HIERARCH ESO ISS PBLA24 END 37.015
HIERARCH ESO ISS PBL34 START 21.486
HIERARCH ESO ISS PBL34 END 21.468
HIERARCH ESO ISS PBLA34 START 217.013
HIERARCH ESO ISS PBLA34 END 217.076
HIERARCH ESO ISS AMBI TAU0 START 0.003044
HIERARCH ESO ISS AMBI TAU0 END 0.003044
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.85