Exposure
ID
MATIS.2025-08-12T03:01:54.528_1
Header ID
MATIS.2025-08-12T03:01:54.528
Date updated
2025-08-12 03:10:59 UTC+0000
Release date
2025-08-12 03:01:54 UTC+0000
UTC Start
2025-08-12 03:01:54.528
UTC End
2025-08-12 03:02:56.928
MJD Start
60899.12632556
MJD End
60899.12704778222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.0035919999999999997
Ambient temperature (°C)
14.9
Seeing (arcsec)
0.725
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 24.8540 24.8470 159.0000 159.2000
A0-D0 28.3240 28.2630 84.4000 84.5000
A0-C1 21.1200 21.0950 133.5380 133.7260
B2-D0 32.3730 32.3470 36.6000 36.7000
B2-C1 10.7840 10.7760 36.5640 36.6300
D0-C1 21.5880 21.5710 216.6260 216.6920
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 60899.12632556
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 24.854
HIERARCH ESO ISS PBL12 END 24.847
HIERARCH ESO ISS PBLA12 START 159.0
HIERARCH ESO ISS PBLA12 END 159.2
HIERARCH ESO ISS PBL13 START 28.324
HIERARCH ESO ISS PBL13 END 28.263
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 21.12
HIERARCH ESO ISS PBL14 END 21.095
HIERARCH ESO ISS PBLA14 START 133.538
HIERARCH ESO ISS PBLA14 END 133.726
HIERARCH ESO ISS PBL23 START 32.373
HIERARCH ESO ISS PBL23 END 32.347
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 10.784
HIERARCH ESO ISS PBL24 END 10.776
HIERARCH ESO ISS PBLA24 START 36.564
HIERARCH ESO ISS PBLA24 END 36.63
HIERARCH ESO ISS PBL34 START 21.588
HIERARCH ESO ISS PBL34 END 21.571
HIERARCH ESO ISS PBLA34 START 216.626
HIERARCH ESO ISS PBLA34 END 216.692
HIERARCH ESO ISS AMBI TAU0 START 0.003469
HIERARCH ESO ISS AMBI TAU0 END 0.003715
HIERARCH ESO ISS AMBI TEMP 14.9
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.72