Exposure
ID
MATIS.2025-08-12T03:03:10.500_1
Header ID
MATIS.2025-08-12T03:03:10.500
Date updated
2025-08-12 03:10:59 UTC+0000
Release date
2025-08-12 03:03:10 UTC+0000
UTC Start
2025-08-12 03:03:10.500
UTC End
2025-08-12 03:04:12.510
MJD Start
60899.12720486
MJD End
60899.12792256833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003715
Ambient temperature (°C)
14.92
Seeing (arcsec)
0.72
Observation
ID
69962
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.8450 24.8390 159.2000 159.4000
A0-D0 28.2510 28.1900 84.5000 84.6000
A0-C1 21.0910 21.0670 133.7620 133.9490
B2-D0 32.3430 32.3180 36.7000 36.7000
B2-C1 10.7740 10.7660 36.6420 36.7080
D0-C1 21.5680 21.5520 216.7040 216.7700
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 60899.12720486
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.548643
DEC -28.04686
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 24.845
HIERARCH ESO ISS PBL12 END 24.839
HIERARCH ESO ISS PBLA12 START 159.2
HIERARCH ESO ISS PBLA12 END 159.4
HIERARCH ESO ISS PBL13 START 28.251
HIERARCH ESO ISS PBL13 END 28.19
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 21.091
HIERARCH ESO ISS PBL14 END 21.067
HIERARCH ESO ISS PBLA14 START 133.762
HIERARCH ESO ISS PBLA14 END 133.949
HIERARCH ESO ISS PBL23 START 32.343
HIERARCH ESO ISS PBL23 END 32.318
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 10.774
HIERARCH ESO ISS PBL24 END 10.766
HIERARCH ESO ISS PBLA24 START 36.642
HIERARCH ESO ISS PBLA24 END 36.708
HIERARCH ESO ISS PBL34 START 21.568
HIERARCH ESO ISS PBL34 END 21.552
HIERARCH ESO ISS PBLA34 START 216.704
HIERARCH ESO ISS PBLA34 END 216.77
HIERARCH ESO ISS AMBI TAU0 START 0.003715
HIERARCH ESO ISS AMBI TAU0 END 0.003715
HIERARCH ESO ISS AMBI TEMP 14.92
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72