Exposure
ID
GRAVI.2023-05-15T03:12:11.434_1
Header ID
GRAVI.2023-05-15T03:12:11.434
Date updated
2023-05-15 03:26:28 UTC+0000
Release date
2024-05-15 03:26:28 UTC+0000
UTC Start
2023-05-15 03:12:11.434
UTC End
2023-05-15 03:18:11.434
MJD Start
60079.13346567
MJD End
60079.137632336664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004834
Ambient temperature (°C)
18.29
Seeing (arcsec)
0.77
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 17.4130 17.7580 127.3000 127.2000
A0-D0 24.2700 24.4460 19.8000 21.7000
A0-C1 11.9960 12.4500 87.2460 88.1130
B2-D0 33.8410 33.8310 350.4000 351.3000
B2-C1 11.2730 11.2700 350.3990 351.2820
D0-C1 22.5680 22.5610 170.4330 171.3170
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 60079.13346567
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 17.413
HIERARCH ESO ISS PBL12 END 17.758
HIERARCH ESO ISS PBLA12 START 127.3
HIERARCH ESO ISS PBLA12 END 127.2
HIERARCH ESO ISS PBL13 START 24.27
HIERARCH ESO ISS PBL13 END 24.446
HIERARCH ESO ISS PBLA13 START 19.8
HIERARCH ESO ISS PBLA13 END 21.7
HIERARCH ESO ISS PBL14 START 11.996
HIERARCH ESO ISS PBL14 END 12.45
HIERARCH ESO ISS PBLA14 START 87.246
HIERARCH ESO ISS PBLA14 END 88.113
HIERARCH ESO ISS PBL23 START 33.841
HIERARCH ESO ISS PBL23 END 33.831
HIERARCH ESO ISS PBLA23 START 350.4
HIERARCH ESO ISS PBLA23 END 351.3
HIERARCH ESO ISS PBL24 START 11.273
HIERARCH ESO ISS PBL24 END 11.27
HIERARCH ESO ISS PBLA24 START 350.399
HIERARCH ESO ISS PBLA24 END 351.282
HIERARCH ESO ISS PBL34 START 22.568
HIERARCH ESO ISS PBL34 END 22.561
HIERARCH ESO ISS PBLA34 START 170.433
HIERARCH ESO ISS PBLA34 END 171.317
HIERARCH ESO ISS AMBI TAU0 START 0.005085
HIERARCH ESO ISS AMBI TAU0 END 0.004583
HIERARCH ESO ISS AMBI TEMP 18.29
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.8