Exposure
ID
MATIS.2025-08-12T02:54:15.839_1
Header ID
MATIS.2025-08-12T02:54:15.839
Date updated
2025-08-12 03:05:52 UTC+0000
Release date
2025-08-12 02:54:15 UTC+0000
UTC Start
2025-08-12 02:54:15.839
UTC End
2025-08-12 02:55:17.849
MJD Start
60899.12101665
MJD End
60899.121734358334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003308
Ambient temperature (°C)
14.89
Seeing (arcsec)
0.815
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 24.9040 24.8970 157.9000 158.0000
A0-D0 28.7490 28.6920 83.6000 83.7000
A0-C1 21.2900 21.2670 132.2090 132.3880
B2-D0 32.5460 32.5230 36.1000 36.2000
B2-C1 10.8420 10.8340 36.0780 36.1450
D0-C1 21.7040 21.6880 216.1400 216.2070
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 60899.12101665
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 24.904
HIERARCH ESO ISS PBL12 END 24.897
HIERARCH ESO ISS PBLA12 START 157.9
HIERARCH ESO ISS PBLA12 END 158.0
HIERARCH ESO ISS PBL13 START 28.749
HIERARCH ESO ISS PBL13 END 28.692
HIERARCH ESO ISS PBLA13 START 83.6
HIERARCH ESO ISS PBLA13 END 83.7
HIERARCH ESO ISS PBL14 START 21.29
HIERARCH ESO ISS PBL14 END 21.267
HIERARCH ESO ISS PBLA14 START 132.209
HIERARCH ESO ISS PBLA14 END 132.388
HIERARCH ESO ISS PBL23 START 32.546
HIERARCH ESO ISS PBL23 END 32.523
HIERARCH ESO ISS PBLA23 START 36.1
HIERARCH ESO ISS PBLA23 END 36.2
HIERARCH ESO ISS PBL24 START 10.842
HIERARCH ESO ISS PBL24 END 10.834
HIERARCH ESO ISS PBLA24 START 36.078
HIERARCH ESO ISS PBLA24 END 36.145
HIERARCH ESO ISS PBL34 START 21.704
HIERARCH ESO ISS PBL34 END 21.688
HIERARCH ESO ISS PBLA34 START 216.14
HIERARCH ESO ISS PBLA34 END 216.207
HIERARCH ESO ISS AMBI TAU0 START 0.003308
HIERARCH ESO ISS AMBI TAU0 END 0.003308
HIERARCH ESO ISS AMBI TEMP 14.89
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.79