Exposure
ID
MATIS.2025-08-12T04:00:41.438_1
Header ID
MATIS.2025-08-12T04:00:41.438
Date updated
2025-08-12 04:10:39 UTC+0000
Release date
2025-08-12 04:00:41 UTC+0000
UTC Start
2025-08-12 04:00:41.438
UTC End
2025-08-12 04:01:43.100
MJD Start
60899.16714627
MJD End
60899.16785995056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.0046995
Ambient temperature (°C)
15.18
Seeing (arcsec)
0.68
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 24.5070 24.5020 168.8000 169.0000
A0-D0 24.2530 24.1700 91.0000 91.1000
A0-C1 19.6910 19.6660 145.1670 145.3950
B2-D0 30.6320 30.5950 39.5000 39.6000
B2-C1 10.2060 10.1930 39.4870 39.5250
D0-C1 20.4260 20.4010 219.5460 219.5840
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 60899.16714627
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 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 24.507
HIERARCH ESO ISS PBL12 END 24.502
HIERARCH ESO ISS PBLA12 START 168.8
HIERARCH ESO ISS PBLA12 END 169.0
HIERARCH ESO ISS PBL13 START 24.253
HIERARCH ESO ISS PBL13 END 24.17
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 91.1
HIERARCH ESO ISS PBL14 START 19.691
HIERARCH ESO ISS PBL14 END 19.666
HIERARCH ESO ISS PBLA14 START 145.167
HIERARCH ESO ISS PBLA14 END 145.395
HIERARCH ESO ISS PBL23 START 30.632
HIERARCH ESO ISS PBL23 END 30.595
HIERARCH ESO ISS PBLA23 START 39.5
HIERARCH ESO ISS PBLA23 END 39.6
HIERARCH ESO ISS PBL24 START 10.206
HIERARCH ESO ISS PBL24 END 10.193
HIERARCH ESO ISS PBLA24 START 39.487
HIERARCH ESO ISS PBLA24 END 39.525
HIERARCH ESO ISS PBL34 START 20.426
HIERARCH ESO ISS PBL34 END 20.401
HIERARCH ESO ISS PBLA34 START 219.546
HIERARCH ESO ISS PBLA34 END 219.584
HIERARCH ESO ISS AMBI TAU0 START 0.004709
HIERARCH ESO ISS AMBI TAU0 END 0.00469
HIERARCH ESO ISS AMBI TEMP 15.18
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68