Exposure
ID
MATIS.2025-08-12T04:02:52.636_1
Header ID
MATIS.2025-08-12T04:02:52.636
Date updated
2025-08-12 04:15:54 UTC+0000
Release date
2025-08-12 04:02:52 UTC+0000
UTC Start
2025-08-12 04:02:52.636
UTC End
2025-08-12 04:03:54.646
MJD Start
60899.16866477
MJD End
60899.16938247833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0047825
Ambient temperature (°C)
15.19
Seeing (arcsec)
0.655
Observation
ID
69962
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.4970 24.4920 169.2000 169.4000
A0-D0 24.0760 23.9910 91.2000 91.4000
A0-C1 19.6370 19.6120 145.6490 145.8840
B2-D0 30.5530 30.5150 39.6000 39.6000
B2-C1 10.1790 10.1670 39.5650 39.6030
D0-C1 20.3740 20.3480 219.6240 219.6620
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 60899.16866477
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.548643
DEC -28.04686
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 24.497
HIERARCH ESO ISS PBL12 END 24.492
HIERARCH ESO ISS PBLA12 START 169.2
HIERARCH ESO ISS PBLA12 END 169.4
HIERARCH ESO ISS PBL13 START 24.076
HIERARCH ESO ISS PBL13 END 23.991
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 19.637
HIERARCH ESO ISS PBL14 END 19.612
HIERARCH ESO ISS PBLA14 START 145.649
HIERARCH ESO ISS PBLA14 END 145.884
HIERARCH ESO ISS PBL23 START 30.553
HIERARCH ESO ISS PBL23 END 30.515
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 39.6
HIERARCH ESO ISS PBL24 START 10.179
HIERARCH ESO ISS PBL24 END 10.167
HIERARCH ESO ISS PBLA24 START 39.565
HIERARCH ESO ISS PBLA24 END 39.603
HIERARCH ESO ISS PBL34 START 20.374
HIERARCH ESO ISS PBL34 END 20.348
HIERARCH ESO ISS PBLA34 START 219.624
HIERARCH ESO ISS PBLA34 END 219.662
HIERARCH ESO ISS AMBI TAU0 START 0.005095
HIERARCH ESO ISS AMBI TAU0 END 0.00447
HIERARCH ESO ISS AMBI TEMP 15.19
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.65