Exposure
ID
GRAVI.2025-06-20T07:08:08.801_1
Header ID
GRAVI.2025-06-20T07:08:08.801
Date updated
2025-06-20 07:21:01 UTC+0000
Release date
2026-06-20 07:21:01 UTC+0000
UTC Start
2025-06-20 07:08:08.801
UTC End
2025-06-20 07:10:32.801
MJD Start
60846.29732409
MJD End
60846.298990756666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0041415
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.495
Observation
ID
67532
Category
science
Program ID
115.282E.001
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
50226
Name
eta_Aql
RA
298.118251
DEC
1.00561
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.7430 67.6260 271.3000 271.3000
K0-D0 95.9460 95.9680 252.8000 252.8000
K0-J3 50.8420 50.7030 333.0640 333.3600
G2-D0 38.2870 38.3750 218.7000 218.9000
G2-J3 62.5630 62.6990 45.5960 45.7050
D0-J3 100.6790 100.9040 42.9830 43.1070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60846.29732409
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME eta Aql
HIERARCH ESO INS SOBJ NAME eta_Aql
RA 298.118251
DEC 1.00561
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 67.743
HIERARCH ESO ISS PBL12 END 67.626
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.946
HIERARCH ESO ISS PBL13 END 95.968
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.842
HIERARCH ESO ISS PBL14 END 50.703
HIERARCH ESO ISS PBLA14 START 333.064
HIERARCH ESO ISS PBLA14 END 333.36
HIERARCH ESO ISS PBL23 START 38.287
HIERARCH ESO ISS PBL23 END 38.375
HIERARCH ESO ISS PBLA23 START 218.7
HIERARCH ESO ISS PBLA23 END 218.9
HIERARCH ESO ISS PBL24 START 62.563
HIERARCH ESO ISS PBL24 END 62.699
HIERARCH ESO ISS PBLA24 START 45.596
HIERARCH ESO ISS PBLA24 END 45.705
HIERARCH ESO ISS PBL34 START 100.679
HIERARCH ESO ISS PBL34 END 100.904
HIERARCH ESO ISS PBLA34 START 42.983
HIERARCH ESO ISS PBLA34 END 43.107
HIERARCH ESO ISS AMBI TAU0 START 0.003708
HIERARCH ESO ISS AMBI TAU0 END 0.004575
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.49