Exposure
ID
MATIS.2025-08-12T03:57:50.422_1
Header ID
MATIS.2025-08-12T03:57:50.422
Date updated
2025-08-12 04:05:53 UTC+0000
Release date
2025-08-12 03:57:50 UTC+0000
UTC Start
2025-08-12 03:57:50.422
UTC End
2025-08-12 03:58:52.084
MJD Start
60899.16516692
MJD End
60899.16588060056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.0046125
Ambient temperature (°C)
15.13
Seeing (arcsec)
0.69
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 24.5210 24.5160 168.3000 168.5000
A0-D0 24.4810 24.3990 90.6000 90.8000
A0-C1 19.7610 19.7360 144.5410 144.7670
B2-D0 30.7330 30.6970 39.4000 39.5000
B2-C1 10.2390 10.2270 39.3800 39.4190
D0-C1 20.4940 20.4700 219.4390 219.4780
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 60899.16516692
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 24.521
HIERARCH ESO ISS PBL12 END 24.516
HIERARCH ESO ISS PBLA12 START 168.3
HIERARCH ESO ISS PBLA12 END 168.5
HIERARCH ESO ISS PBL13 START 24.481
HIERARCH ESO ISS PBL13 END 24.399
HIERARCH ESO ISS PBLA13 START 90.6
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 19.761
HIERARCH ESO ISS PBL14 END 19.736
HIERARCH ESO ISS PBLA14 START 144.541
HIERARCH ESO ISS PBLA14 END 144.767
HIERARCH ESO ISS PBL23 START 30.733
HIERARCH ESO ISS PBL23 END 30.697
HIERARCH ESO ISS PBLA23 START 39.4
HIERARCH ESO ISS PBLA23 END 39.5
HIERARCH ESO ISS PBL24 START 10.239
HIERARCH ESO ISS PBL24 END 10.227
HIERARCH ESO ISS PBLA24 START 39.38
HIERARCH ESO ISS PBLA24 END 39.419
HIERARCH ESO ISS PBL34 START 20.494
HIERARCH ESO ISS PBL34 END 20.47
HIERARCH ESO ISS PBLA34 START 219.439
HIERARCH ESO ISS PBLA34 END 219.478
HIERARCH ESO ISS AMBI TAU0 START 0.004378
HIERARCH ESO ISS AMBI TAU0 END 0.004847
HIERARCH ESO ISS AMBI TEMP 15.13
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69