Exposure
ID
MATIS.2025-05-19T08:43:14.253_1
Header ID
MATIS.2025-05-19T08:43:14.253
Date updated
2025-05-19 08:51:03 UTC+0000
Release date
2025-05-19 08:43:14 UTC+0000
UTC Start
2025-05-19 08:43:14.253
UTC End
2025-05-19 08:44:16.653
MJD Start
60814.36335941
MJD End
60814.36408163222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.008246
Ambient temperature (°C)
12.36
Seeing (arcsec)
0.495
Observation
ID
67458
Category
calibrator
Program ID
115.2810.018
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
50181
Name
HD 181109
RA
290.107755
DEC
-31.81755
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 25.2820 25.2840 145.8000 145.9000
A0-D0 31.6810 31.6640 74.8000 74.9000
A0-C1 22.6060 22.6030 119.6040 119.7490
B2-D0 33.4930 33.4830 29.2000 29.3000
B2-C1 11.1570 11.1530 29.1890 29.2970
D0-C1 22.3360 22.3290 209.2530 209.3610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2810.018
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60814.36335941
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 181109
RA 290.107755
DEC -31.81755
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 25.282
HIERARCH ESO ISS PBL12 END 25.284
HIERARCH ESO ISS PBLA12 START 145.8
HIERARCH ESO ISS PBLA12 END 145.9
HIERARCH ESO ISS PBL13 START 31.681
HIERARCH ESO ISS PBL13 END 31.664
HIERARCH ESO ISS PBLA13 START 74.8
HIERARCH ESO ISS PBLA13 END 74.9
HIERARCH ESO ISS PBL14 START 22.606
HIERARCH ESO ISS PBL14 END 22.603
HIERARCH ESO ISS PBLA14 START 119.604
HIERARCH ESO ISS PBLA14 END 119.749
HIERARCH ESO ISS PBL23 START 33.493
HIERARCH ESO ISS PBL23 END 33.483
HIERARCH ESO ISS PBLA23 START 29.2
HIERARCH ESO ISS PBLA23 END 29.3
HIERARCH ESO ISS PBL24 START 11.157
HIERARCH ESO ISS PBL24 END 11.153
HIERARCH ESO ISS PBLA24 START 29.189
HIERARCH ESO ISS PBLA24 END 29.297
HIERARCH ESO ISS PBL34 START 22.336
HIERARCH ESO ISS PBL34 END 22.329
HIERARCH ESO ISS PBLA34 START 209.253
HIERARCH ESO ISS PBLA34 END 209.361
HIERARCH ESO ISS AMBI TAU0 START 0.007733
HIERARCH ESO ISS AMBI TAU0 END 0.008759
HIERARCH ESO ISS AMBI TEMP 12.36
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5