Exposure
ID
MATIS.2024-05-27T03:08:21.862_1
Header ID
MATIS.2024-05-27T03:08:21.862
Date updated
2024-05-27 03:15:41 UTC+0000
Release date
2025-05-27 03:15:41 UTC+0000
UTC Start
2024-05-27 03:08:21.862
UTC End
2024-05-27 03:09:23.524
MJD Start
60457.13080859
MJD End
60457.1315222706
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.0030975
Ambient temperature (°C)
9.71
Seeing (arcsec)
0.86
Observation
ID
59406
Category
science
Program ID
113.26M5.004
Program Title
PROBING THE ORIGIN OF THE INNER DISK VARIABILITY OF HD 169142
Program Type
GTO
PI / COI
BERGER / BENISTY / BOURDAROT / WOILLEZ / LE BOUQUIN / ROUSSELET-PERRAUT / MATTER / MÉRAND
Target
ID
44040
Name
HD 169142
RA
276.122782
DEC
-29.78057
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 19.8010 19.8510 127.4000 127.4000
A0-D0 25.8220 25.8630 32.8000 33.0000
A0-C1 15.1600 15.2270 92.9890 93.1080
B2-D0 33.7870 33.7860 357.0000 357.2000
B2-C1 11.2550 11.2550 357.0010 357.1530
D0-C1 22.5310 22.5310 177.0430 177.1960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26M5.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60457.13080859
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 169142
RA 276.122782
DEC -29.78057
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 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 19.801
HIERARCH ESO ISS PBL12 END 19.851
HIERARCH ESO ISS PBLA12 START 127.4
HIERARCH ESO ISS PBLA12 END 127.4
HIERARCH ESO ISS PBL13 START 25.822
HIERARCH ESO ISS PBL13 END 25.863
HIERARCH ESO ISS PBLA13 START 32.8
HIERARCH ESO ISS PBLA13 END 33.0
HIERARCH ESO ISS PBL14 START 15.16
HIERARCH ESO ISS PBL14 END 15.227
HIERARCH ESO ISS PBLA14 START 92.989
HIERARCH ESO ISS PBLA14 END 93.108
HIERARCH ESO ISS PBL23 START 33.787
HIERARCH ESO ISS PBL23 END 33.786
HIERARCH ESO ISS PBLA23 START 357.0
HIERARCH ESO ISS PBLA23 END 357.2
HIERARCH ESO ISS PBL24 START 11.255
HIERARCH ESO ISS PBL24 END 11.255
HIERARCH ESO ISS PBLA24 START 357.001
HIERARCH ESO ISS PBLA24 END 357.153
HIERARCH ESO ISS PBL34 START 22.531
HIERARCH ESO ISS PBL34 END 22.531
HIERARCH ESO ISS PBLA34 START 177.043
HIERARCH ESO ISS PBLA34 END 177.196
HIERARCH ESO ISS AMBI TAU0 START 0.002969
HIERARCH ESO ISS AMBI TAU0 END 0.003226
HIERARCH ESO ISS AMBI TEMP 9.71
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.84