Exposure
ID
MATIS.2025-08-12T04:07:58.590_1
Header ID
MATIS.2025-08-12T04:07:58.590
Date updated
2025-08-12 04:15:54 UTC+0000
Release date
2025-08-12 04:07:58 UTC+0000
UTC Start
2025-08-12 04:07:58.590
UTC End
2025-08-12 04:09:00.990
MJD Start
60899.1722059
MJD End
60899.17292812222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.00517
Ambient temperature (°C)
15.27
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 24.4740 24.4700 170.1000 170.3000
A0-D0 23.6570 23.5680 91.9000 92.0000
A0-C1 19.5130 19.4880 146.7940 147.0350
B2-D0 30.3650 30.3250 39.8000 39.8000
B2-C1 10.1170 10.1040 39.7410 39.7760
D0-C1 20.2480 20.2220 219.7990 219.8340
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 60899.1722059
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 24.474
HIERARCH ESO ISS PBL12 END 24.47
HIERARCH ESO ISS PBLA12 START 170.1
HIERARCH ESO ISS PBLA12 END 170.3
HIERARCH ESO ISS PBL13 START 23.657
HIERARCH ESO ISS PBL13 END 23.568
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 19.513
HIERARCH ESO ISS PBL14 END 19.488
HIERARCH ESO ISS PBLA14 START 146.794
HIERARCH ESO ISS PBLA14 END 147.035
HIERARCH ESO ISS PBL23 START 30.365
HIERARCH ESO ISS PBL23 END 30.325
HIERARCH ESO ISS PBLA23 START 39.8
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 10.117
HIERARCH ESO ISS PBL24 END 10.104
HIERARCH ESO ISS PBLA24 START 39.741
HIERARCH ESO ISS PBLA24 END 39.776
HIERARCH ESO ISS PBL34 START 20.248
HIERARCH ESO ISS PBL34 END 20.222
HIERARCH ESO ISS PBLA34 START 219.799
HIERARCH ESO ISS PBLA34 END 219.834
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.00517
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65