Exposure
ID
MATIS.2025-08-12T04:06:37.037_1
Header ID
MATIS.2025-08-12T04:06:37.037
Date updated
2025-08-12 04:15:54 UTC+0000
Release date
2025-08-12 04:06:37 UTC+0000
UTC Start
2025-08-12 04:06:37.037
UTC End
2025-08-12 04:07:39.437
MJD Start
60899.171262
MJD End
60899.17198422222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.004613
Ambient temperature (°C)
15.22
Seeing (arcsec)
0.66
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 24.4800 24.4760 169.8000 170.0000
A0-D0 23.7700 23.6800 91.7000 91.8000
A0-C1 19.5470 19.5200 146.4850 146.7300
B2-D0 30.4160 30.3760 39.7000 39.8000
B2-C1 10.1340 10.1200 39.6950 39.7320
D0-C1 20.2820 20.2550 219.7530 219.7910
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 60899.171262
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 24.48
HIERARCH ESO ISS PBL12 END 24.476
HIERARCH ESO ISS PBLA12 START 169.8
HIERARCH ESO ISS PBLA12 END 170.0
HIERARCH ESO ISS PBL13 START 23.77
HIERARCH ESO ISS PBL13 END 23.68
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 19.547
HIERARCH ESO ISS PBL14 END 19.52
HIERARCH ESO ISS PBLA14 START 146.485
HIERARCH ESO ISS PBLA14 END 146.73
HIERARCH ESO ISS PBL23 START 30.416
HIERARCH ESO ISS PBL23 END 30.376
HIERARCH ESO ISS PBLA23 START 39.7
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 10.134
HIERARCH ESO ISS PBL24 END 10.12
HIERARCH ESO ISS PBLA24 START 39.695
HIERARCH ESO ISS PBLA24 END 39.732
HIERARCH ESO ISS PBL34 START 20.282
HIERARCH ESO ISS PBL34 END 20.255
HIERARCH ESO ISS PBLA34 START 219.753
HIERARCH ESO ISS PBLA34 END 219.791
HIERARCH ESO ISS AMBI TAU0 START 0.004056
HIERARCH ESO ISS AMBI TAU0 END 0.00517
HIERARCH ESO ISS AMBI TEMP 15.22
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.65