Exposure
ID
GRAVI.2025-06-20T07:17:35.826_1
Header ID
GRAVI.2025-06-20T07:17:35.826
Date updated
2025-06-20 07:30:53 UTC+0000
Release date
2026-06-20 07:30:53 UTC+0000
UTC Start
2025-06-20 07:17:35.826
UTC End
2025-06-20 07:19:59.826
MJD Start
60846.30388687
MJD End
60846.305553536666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.004071
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.5449999999999999
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 67.3120 67.1610 271.3000 271.3000
K0-D0 95.9690 95.9470 252.8000 252.8000
K0-J3 50.3780 50.2390 334.0760 334.3900
G2-D0 38.5740 38.6550 219.2000 219.3000
G2-J3 63.0000 63.1200 45.9410 46.0340
D0-J3 101.4080 101.6110 43.3790 43.4870
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 60846.30388687
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 67.312
HIERARCH ESO ISS PBL12 END 67.161
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.969
HIERARCH ESO ISS PBL13 END 95.947
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.378
HIERARCH ESO ISS PBL14 END 50.239
HIERARCH ESO ISS PBLA14 START 334.076
HIERARCH ESO ISS PBLA14 END 334.39
HIERARCH ESO ISS PBL23 START 38.574
HIERARCH ESO ISS PBL23 END 38.655
HIERARCH ESO ISS PBLA23 START 219.2
HIERARCH ESO ISS PBLA23 END 219.3
HIERARCH ESO ISS PBL24 START 63.0
HIERARCH ESO ISS PBL24 END 63.12
HIERARCH ESO ISS PBLA24 START 45.941
HIERARCH ESO ISS PBLA24 END 46.034
HIERARCH ESO ISS PBL34 START 101.408
HIERARCH ESO ISS PBL34 END 101.611
HIERARCH ESO ISS PBLA34 START 43.379
HIERARCH ESO ISS PBLA34 END 43.487
HIERARCH ESO ISS AMBI TAU0 START 0.002935
HIERARCH ESO ISS AMBI TAU0 END 0.005207
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.52