Exposure
ID
MATIS.2025-08-12T03:09:33.265_1
Header ID
MATIS.2025-08-12T03:09:33.265
Date updated
2025-08-12 03:20:51 UTC+0000
Release date
2025-08-12 03:09:33 UTC+0000
UTC Start
2025-08-12 03:09:33.265
UTC End
2025-08-12 03:10:35.665
MJD Start
60899.13163501
MJD End
60899.13235723222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.00294
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.865
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 24.8040 24.7970 160.3000 160.4000
A0-D0 27.8740 27.8090 85.2000 85.3000
A0-C1 20.9430 20.9180 134.9080 135.1020
B2-D0 32.1870 32.1610 37.1000 37.1000
B2-C1 10.7230 10.7140 37.0280 37.0910
D0-C1 21.4650 21.4470 217.0900 217.1530
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 60899.13163501
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 24.804
HIERARCH ESO ISS PBL12 END 24.797
HIERARCH ESO ISS PBLA12 START 160.3
HIERARCH ESO ISS PBLA12 END 160.4
HIERARCH ESO ISS PBL13 START 27.874
HIERARCH ESO ISS PBL13 END 27.809
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.3
HIERARCH ESO ISS PBL14 START 20.943
HIERARCH ESO ISS PBL14 END 20.918
HIERARCH ESO ISS PBLA14 START 134.908
HIERARCH ESO ISS PBLA14 END 135.102
HIERARCH ESO ISS PBL23 START 32.187
HIERARCH ESO ISS PBL23 END 32.161
HIERARCH ESO ISS PBLA23 START 37.1
HIERARCH ESO ISS PBLA23 END 37.1
HIERARCH ESO ISS PBL24 START 10.723
HIERARCH ESO ISS PBL24 END 10.714
HIERARCH ESO ISS PBLA24 START 37.028
HIERARCH ESO ISS PBLA24 END 37.091
HIERARCH ESO ISS PBL34 START 21.465
HIERARCH ESO ISS PBL34 END 21.447
HIERARCH ESO ISS PBLA34 START 217.09
HIERARCH ESO ISS PBLA34 END 217.153
HIERARCH ESO ISS AMBI TAU0 START 0.003044
HIERARCH ESO ISS AMBI TAU0 END 0.002836
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.88