Exposure
ID
MATIS.2025-08-14T01:15:52.904_1
Header ID
MATIS.2025-08-14T01:15:52.904
Date updated
2025-08-14 01:25:44 UTC+0000
Release date
2025-08-14 01:15:52 UTC+0000
UTC Start
2025-08-14 01:15:52.904
UTC End
2025-08-14 01:16:55.304
MJD Start
60901.05269565
MJD End
60901.05341787222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.005378
Ambient temperature (°C)
14.08
Seeing (arcsec)
0.69
Observation
ID
69977
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
50206
Name
HD 159881
RA
264.549273
DEC
-28.04686
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 121.5320 121.4810 242.5000 242.7000
K0-D0 95.3710 95.3290 253.9000 254.0000
K0-J3 56.5600 56.5610 335.6900 335.8110
B2-D0 33.7690 33.7620 28.7000 28.8000
B2-J3 136.8340 136.7970 38.1680 38.2720
D0-J3 103.6780 103.6470 41.2500 41.3540
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 60901.05269565
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.549273
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 1.04
HIERARCH ESO DET NDIT 60
HIERARCH ESO ISS PBL12 START 121.532
HIERARCH ESO ISS PBL12 END 121.481
HIERARCH ESO ISS PBLA12 START 242.5
HIERARCH ESO ISS PBLA12 END 242.7
HIERARCH ESO ISS PBL13 START 95.371
HIERARCH ESO ISS PBL13 END 95.329
HIERARCH ESO ISS PBLA13 START 253.9
HIERARCH ESO ISS PBLA13 END 254.0
HIERARCH ESO ISS PBL14 START 56.56
HIERARCH ESO ISS PBL14 END 56.561
HIERARCH ESO ISS PBLA14 START 335.69
HIERARCH ESO ISS PBLA14 END 335.811
HIERARCH ESO ISS PBL23 START 33.769
HIERARCH ESO ISS PBL23 END 33.762
HIERARCH ESO ISS PBLA23 START 28.7
HIERARCH ESO ISS PBLA23 END 28.8
HIERARCH ESO ISS PBL24 START 136.834
HIERARCH ESO ISS PBL24 END 136.797
HIERARCH ESO ISS PBLA24 START 38.168
HIERARCH ESO ISS PBLA24 END 38.272
HIERARCH ESO ISS PBL34 START 103.678
HIERARCH ESO ISS PBL34 END 103.647
HIERARCH ESO ISS PBLA34 START 41.25
HIERARCH ESO ISS PBLA34 END 41.354
HIERARCH ESO ISS AMBI TAU0 START 0.004848
HIERARCH ESO ISS AMBI TAU0 END 0.005908
HIERARCH ESO ISS AMBI TEMP 14.08
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.62