Exposure
ID
GRAVI.2023-05-15T03:25:32.468_1
Header ID
GRAVI.2023-05-15T03:25:32.468
Date updated
2023-05-15 03:37:17 UTC+0000
Release date
2024-05-15 03:37:17 UTC+0000
UTC Start
2023-05-15 03:25:32.468
UTC End
2023-05-15 03:31:32.468
MJD Start
60079.1427369
MJD End
60079.14690356667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0046385
Ambient temperature (°C)
17.82
Seeing (arcsec)
0.735
Observation
ID
55399
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.1400 18.4720 127.1000 127.1000
A0-D0 24.6590 24.8600 23.8000 25.6000
A0-C1 12.9530 13.3910 89.0520 89.8520
B2-D0 33.8210 33.8130 352.3000 353.2000
B2-C1 11.2670 11.2640 352.2850 353.1780
D0-C1 22.5540 22.5490 172.3210 173.2160
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 60079.1427369
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 18.14
HIERARCH ESO ISS PBL12 END 18.472
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.1
HIERARCH ESO ISS PBL13 START 24.659
HIERARCH ESO ISS PBL13 END 24.86
HIERARCH ESO ISS PBLA13 START 23.8
HIERARCH ESO ISS PBLA13 END 25.6
HIERARCH ESO ISS PBL14 START 12.953
HIERARCH ESO ISS PBL14 END 13.391
HIERARCH ESO ISS PBLA14 START 89.052
HIERARCH ESO ISS PBLA14 END 89.852
HIERARCH ESO ISS PBL23 START 33.821
HIERARCH ESO ISS PBL23 END 33.813
HIERARCH ESO ISS PBLA23 START 352.3
HIERARCH ESO ISS PBLA23 END 353.2
HIERARCH ESO ISS PBL24 START 11.267
HIERARCH ESO ISS PBL24 END 11.264
HIERARCH ESO ISS PBLA24 START 352.285
HIERARCH ESO ISS PBLA24 END 353.178
HIERARCH ESO ISS PBL34 START 22.554
HIERARCH ESO ISS PBL34 END 22.549
HIERARCH ESO ISS PBLA34 START 172.321
HIERARCH ESO ISS PBLA34 END 173.216
HIERARCH ESO ISS AMBI TAU0 START 0.004522
HIERARCH ESO ISS AMBI TAU0 END 0.004755
HIERARCH ESO ISS AMBI TEMP 17.82
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.76