Exposure
ID
MATIS.2025-08-12T03:07:00.884_1
Header ID
MATIS.2025-08-12T03:07:00.884
Date updated
2025-08-12 03:15:51 UTC+0000
Release date
2025-08-12 03:07:00 UTC+0000
UTC Start
2025-08-12 03:07:00.884
UTC End
2025-08-12 03:08:03.284
MJD Start
60899.12987134
MJD End
60899.13059356222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.003044
Ambient temperature (°C)
14.95
Seeing (arcsec)
0.91
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 24.8210 24.8130 159.9000 160.0000
A0-D0 28.0270 27.9620 84.9000 85.0000
A0-C1 21.0030 20.9780 134.4460 134.6420
B2-D0 32.2500 32.2240 36.9000 37.0000
B2-C1 10.7440 10.7350 36.8760 36.9410
D0-C1 21.5070 21.4890 216.9370 217.0030
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 60899.12987134
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 24.821
HIERARCH ESO ISS PBL12 END 24.813
HIERARCH ESO ISS PBLA12 START 159.9
HIERARCH ESO ISS PBLA12 END 160.0
HIERARCH ESO ISS PBL13 START 28.027
HIERARCH ESO ISS PBL13 END 27.962
HIERARCH ESO ISS PBLA13 START 84.9
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 21.003
HIERARCH ESO ISS PBL14 END 20.978
HIERARCH ESO ISS PBLA14 START 134.446
HIERARCH ESO ISS PBLA14 END 134.642
HIERARCH ESO ISS PBL23 START 32.25
HIERARCH ESO ISS PBL23 END 32.224
HIERARCH ESO ISS PBLA23 START 36.9
HIERARCH ESO ISS PBLA23 END 37.0
HIERARCH ESO ISS PBL24 START 10.744
HIERARCH ESO ISS PBL24 END 10.735
HIERARCH ESO ISS PBLA24 START 36.876
HIERARCH ESO ISS PBLA24 END 36.941
HIERARCH ESO ISS PBL34 START 21.507
HIERARCH ESO ISS PBL34 END 21.489
HIERARCH ESO ISS PBLA34 START 216.937
HIERARCH ESO ISS PBLA34 END 217.003
HIERARCH ESO ISS AMBI TAU0 START 0.003044
HIERARCH ESO ISS AMBI TAU0 END 0.003044
HIERARCH ESO ISS AMBI TEMP 14.95
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91