Exposure
ID
MATIS.2025-08-12T04:11:46.261_1
Header ID
MATIS.2025-08-12T04:11:46.261
Date updated
2025-08-12 04:20:46 UTC+0000
Release date
2025-08-12 04:11:46 UTC+0000
UTC Start
2025-08-12 04:11:46.261
UTC End
2025-08-12 04:12:48.661
MJD Start
60899.17484098
MJD End
60899.17556320222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.00517
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.73
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 24.4590 24.4540 170.7000 170.9000
A0-D0 23.3390 23.2480 92.3000 92.5000
A0-C1 19.4220 19.3960 147.6600 147.9050
B2-D0 30.2210 30.1800 39.9000 39.9000
B2-C1 10.0690 10.0550 39.8630 39.8960
D0-C1 20.1520 20.1250 219.9210 219.9550
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 60899.17484098
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 24.459
HIERARCH ESO ISS PBL12 END 24.454
HIERARCH ESO ISS PBLA12 START 170.7
HIERARCH ESO ISS PBLA12 END 170.9
HIERARCH ESO ISS PBL13 START 23.339
HIERARCH ESO ISS PBL13 END 23.248
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 19.422
HIERARCH ESO ISS PBL14 END 19.396
HIERARCH ESO ISS PBLA14 START 147.66
HIERARCH ESO ISS PBLA14 END 147.905
HIERARCH ESO ISS PBL23 START 30.221
HIERARCH ESO ISS PBL23 END 30.18
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 10.069
HIERARCH ESO ISS PBL24 END 10.055
HIERARCH ESO ISS PBLA24 START 39.863
HIERARCH ESO ISS PBLA24 END 39.896
HIERARCH ESO ISS PBL34 START 20.152
HIERARCH ESO ISS PBL34 END 20.125
HIERARCH ESO ISS PBLA34 START 219.921
HIERARCH ESO ISS PBLA34 END 219.955
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.00517
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73