Exposure
ID
MATIS.2025-08-12T04:09:13.932_1
Header ID
MATIS.2025-08-12T04:09:13.932
Date updated
2025-08-12 04:15:54 UTC+0000
Release date
2025-08-12 04:09:13 UTC+0000
UTC Start
2025-08-12 04:09:13.932
UTC End
2025-08-12 04:10:16.332
MJD Start
60899.17307792
MJD End
60899.17380014222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.00517
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.65
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 24.4690 24.4650 170.3000 170.5000
A0-D0 23.5530 23.4620 92.0000 92.2000
A0-C1 19.4830 19.4570 147.0780 147.3240
B2-D0 30.3180 30.2770 39.8000 39.9000
B2-C1 10.1010 10.0880 39.7820 39.8170
D0-C1 20.2170 20.1900 219.8410 219.8750
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 60899.17307792
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 24.469
HIERARCH ESO ISS PBL12 END 24.465
HIERARCH ESO ISS PBLA12 START 170.3
HIERARCH ESO ISS PBLA12 END 170.5
HIERARCH ESO ISS PBL13 START 23.553
HIERARCH ESO ISS PBL13 END 23.462
HIERARCH ESO ISS PBLA13 START 92.0
HIERARCH ESO ISS PBLA13 END 92.2
HIERARCH ESO ISS PBL14 START 19.483
HIERARCH ESO ISS PBL14 END 19.457
HIERARCH ESO ISS PBLA14 START 147.078
HIERARCH ESO ISS PBLA14 END 147.324
HIERARCH ESO ISS PBL23 START 30.318
HIERARCH ESO ISS PBL23 END 30.277
HIERARCH ESO ISS PBLA23 START 39.8
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 10.101
HIERARCH ESO ISS PBL24 END 10.088
HIERARCH ESO ISS PBLA24 START 39.782
HIERARCH ESO ISS PBLA24 END 39.817
HIERARCH ESO ISS PBL34 START 20.217
HIERARCH ESO ISS PBL34 END 20.19
HIERARCH ESO ISS PBLA34 START 219.841
HIERARCH ESO ISS PBLA34 END 219.875
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.00517
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65