Exposure
ID
MATIS.2025-08-12T04:10:29.670_1
Header ID
MATIS.2025-08-12T04:10:29.670
Date updated
2025-08-12 04:20:46 UTC+0000
Release date
2025-08-12 04:10:29 UTC+0000
UTC Start
2025-08-12 04:10:29.670
UTC End
2025-08-12 04:11:31.680
MJD Start
60899.17395451
MJD End
60899.17467221833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00517
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.65
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 24.4640 24.4600 170.5000 170.7000
A0-D0 23.4470 23.3580 92.2000 92.3000
A0-C1 19.4530 19.4280 147.3670 147.6060
B2-D0 30.2700 30.2300 39.9000 39.9000
B2-C1 10.0850 10.0720 39.8230 39.8560
D0-C1 20.1850 20.1580 219.8820 219.9140
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 60899.17395451
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 24.464
HIERARCH ESO ISS PBL12 END 24.46
HIERARCH ESO ISS PBLA12 START 170.5
HIERARCH ESO ISS PBLA12 END 170.7
HIERARCH ESO ISS PBL13 START 23.447
HIERARCH ESO ISS PBL13 END 23.358
HIERARCH ESO ISS PBLA13 START 92.2
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 19.453
HIERARCH ESO ISS PBL14 END 19.428
HIERARCH ESO ISS PBLA14 START 147.367
HIERARCH ESO ISS PBLA14 END 147.606
HIERARCH ESO ISS PBL23 START 30.27
HIERARCH ESO ISS PBL23 END 30.23
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 10.085
HIERARCH ESO ISS PBL24 END 10.072
HIERARCH ESO ISS PBLA24 START 39.823
HIERARCH ESO ISS PBLA24 END 39.856
HIERARCH ESO ISS PBL34 START 20.185
HIERARCH ESO ISS PBL34 END 20.158
HIERARCH ESO ISS PBLA34 START 219.882
HIERARCH ESO ISS PBLA34 END 219.914
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.00517
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65