Exposure
ID
MATIS.2025-08-14T01:18:24.005_1
Header ID
MATIS.2025-08-14T01:18:24.005
Date updated
2025-08-14 01:30:48 UTC+0000
Release date
2025-08-14 01:18:24 UTC+0000
UTC Start
2025-08-14 01:18:24.005
UTC End
2025-08-14 01:19:26.405
MJD Start
60901.0544445
MJD End
60901.05516672222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.0052265
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.77
Observation
ID
69977
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
50206
Name
HD 159881
RA
264.549273
DEC
-28.04686
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 121.4060 121.3490 242.8000 242.9000
K0-D0 95.2670 95.2190 254.2000 254.3000
K0-J3 56.5620 56.5620 335.9810 336.1080
B2-D0 33.7530 33.7460 28.9000 29.0000
B2-J3 136.7430 136.7020 38.4160 38.5220
D0-J3 103.6030 103.5690 41.4990 41.6050
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 60901.0544445
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.549273
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 1.04
HIERARCH ESO DET NDIT 60
HIERARCH ESO ISS PBL12 START 121.406
HIERARCH ESO ISS PBL12 END 121.349
HIERARCH ESO ISS PBLA12 START 242.8
HIERARCH ESO ISS PBLA12 END 242.9
HIERARCH ESO ISS PBL13 START 95.267
HIERARCH ESO ISS PBL13 END 95.219
HIERARCH ESO ISS PBLA13 START 254.2
HIERARCH ESO ISS PBLA13 END 254.3
HIERARCH ESO ISS PBL14 START 56.562
HIERARCH ESO ISS PBL14 END 56.562
HIERARCH ESO ISS PBLA14 START 335.981
HIERARCH ESO ISS PBLA14 END 336.108
HIERARCH ESO ISS PBL23 START 33.753
HIERARCH ESO ISS PBL23 END 33.746
HIERARCH ESO ISS PBLA23 START 28.9
HIERARCH ESO ISS PBLA23 END 29.0
HIERARCH ESO ISS PBL24 START 136.743
HIERARCH ESO ISS PBL24 END 136.702
HIERARCH ESO ISS PBLA24 START 38.416
HIERARCH ESO ISS PBLA24 END 38.522
HIERARCH ESO ISS PBL34 START 103.603
HIERARCH ESO ISS PBL34 END 103.569
HIERARCH ESO ISS PBLA34 START 41.499
HIERARCH ESO ISS PBLA34 END 41.605
HIERARCH ESO ISS AMBI TAU0 START 0.005908
HIERARCH ESO ISS AMBI TAU0 END 0.004545
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77