Exposure
ID
MATIS.2025-08-12T04:04:06.765_1
Header ID
MATIS.2025-08-12T04:04:06.765
Date updated
2025-08-12 04:15:54 UTC+0000
Release date
2025-08-12 04:04:06 UTC+0000
UTC Start
2025-08-12 04:04:06.765
UTC End
2025-08-12 04:05:09.165
MJD Start
60899.16952274
MJD End
60899.17024496222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.00447
Ambient temperature (°C)
15.21
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 24.4910 24.4870 169.4000 169.6000
A0-D0 23.9760 23.8900 91.4000 91.5000
A0-C1 19.6070 19.5820 145.9240 146.1600
B2-D0 30.5080 30.4700 39.6000 39.7000
B2-C1 10.1640 10.1520 39.6090 39.6460
D0-C1 20.3440 20.3180 219.6680 219.7050
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 60899.16952274
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 24.491
HIERARCH ESO ISS PBL12 END 24.487
HIERARCH ESO ISS PBLA12 START 169.4
HIERARCH ESO ISS PBLA12 END 169.6
HIERARCH ESO ISS PBL13 START 23.976
HIERARCH ESO ISS PBL13 END 23.89
HIERARCH ESO ISS PBLA13 START 91.4
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 19.607
HIERARCH ESO ISS PBL14 END 19.582
HIERARCH ESO ISS PBLA14 START 145.924
HIERARCH ESO ISS PBLA14 END 146.16
HIERARCH ESO ISS PBL23 START 30.508
HIERARCH ESO ISS PBL23 END 30.47
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 39.7
HIERARCH ESO ISS PBL24 START 10.164
HIERARCH ESO ISS PBL24 END 10.152
HIERARCH ESO ISS PBLA24 START 39.609
HIERARCH ESO ISS PBLA24 END 39.646
HIERARCH ESO ISS PBL34 START 20.344
HIERARCH ESO ISS PBL34 END 20.318
HIERARCH ESO ISS PBLA34 START 219.668
HIERARCH ESO ISS PBLA34 END 219.705
HIERARCH ESO ISS AMBI TAU0 START 0.00447
HIERARCH ESO ISS AMBI TAU0 END 0.00447
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67