Exposure
ID
GRAVI.2023-05-22T07:29:35.497_1
Header ID
GRAVI.2023-05-22T07:29:35.497
Date updated
2023-05-22 08:07:37 UTC+0000
Release date
2024-05-22 08:07:37 UTC+0000
UTC Start
2023-05-22 07:29:35.497
UTC End
2023-05-22 07:35:35.497
MJD Start
60086.3122164
MJD End
60086.3163830667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0026785
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.995
Observation
ID
55529
Category
science
Program ID
111.252S.001
Program Title
PROBING THE ORIGIN OF THE INNER DISK PHOTOMETRIC VARIABILITY OF HD 169142
Program Type
GTO
PI / COI
BERGER/ BENISTY/ BOURDAROT/ WOILLEZ/ LE BOUQUIN/ ROUSSELET-PERRAUT/ MATTER
Target
ID
41036
Name
HD_169142
RA
276.121511
DEC
-29.78057
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4660 90.3890 118.5000 119.3000
A0-J2 128.8840 128.6210 95.4000 96.2000
A0-K0 127.2910 126.9530 73.5610 74.3040
G1-J2 57.8300 57.6810 57.5000 58.2000
G1-K0 89.8660 89.7400 28.2710 28.9100
J2-K0 48.5050 48.5150 352.6230 353.3070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.252S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60086.3122164
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.121511
DEC -29.78057
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.466
HIERARCH ESO ISS PBL12 END 90.389
HIERARCH ESO ISS PBLA12 START 118.5
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 128.884
HIERARCH ESO ISS PBL13 END 128.621
HIERARCH ESO ISS PBLA13 START 95.4
HIERARCH ESO ISS PBLA13 END 96.2
HIERARCH ESO ISS PBL14 START 127.291
HIERARCH ESO ISS PBL14 END 126.953
HIERARCH ESO ISS PBLA14 START 73.561
HIERARCH ESO ISS PBLA14 END 74.304
HIERARCH ESO ISS PBL23 START 57.83
HIERARCH ESO ISS PBL23 END 57.681
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 89.866
HIERARCH ESO ISS PBL24 END 89.74
HIERARCH ESO ISS PBLA24 START 28.271
HIERARCH ESO ISS PBLA24 END 28.91
HIERARCH ESO ISS PBL34 START 48.505
HIERARCH ESO ISS PBL34 END 48.515
HIERARCH ESO ISS PBLA34 START 352.623
HIERARCH ESO ISS PBLA34 END 353.307
HIERARCH ESO ISS AMBI TAU0 START 0.00278
HIERARCH ESO ISS AMBI TAU0 END 0.002577
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 0.98