Exposure
ID
GRAVI.2025-06-20T07:23:59.842_1
Header ID
GRAVI.2025-06-20T07:23:59.842
Date updated
2025-06-20 07:35:48 UTC+0000
Release date
2026-06-20 07:35:47 UTC+0000
UTC Start
2025-06-20 07:23:59.842
UTC End
2025-06-20 07:26:23.842
MJD Start
60846.3083315
MJD End
60846.30999816666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0063065
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.545
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 66.9550 66.7800 271.3000 271.2000
K0-D0 95.8990 95.8470 252.7000 252.7000
K0-J3 50.0640 49.9260 334.7940 335.1190
G2-D0 38.7540 38.8300 219.5000 219.6000
G2-J3 63.2660 63.3750 46.1440 46.2260
D0-J3 101.8580 102.0450 43.6170 43.7140
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 60846.3083315
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 66.955
HIERARCH ESO ISS PBL12 END 66.78
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.899
HIERARCH ESO ISS PBL13 END 95.847
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.064
HIERARCH ESO ISS PBL14 END 49.926
HIERARCH ESO ISS PBLA14 START 334.794
HIERARCH ESO ISS PBLA14 END 335.119
HIERARCH ESO ISS PBL23 START 38.754
HIERARCH ESO ISS PBL23 END 38.83
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.266
HIERARCH ESO ISS PBL24 END 63.375
HIERARCH ESO ISS PBLA24 START 46.144
HIERARCH ESO ISS PBLA24 END 46.226
HIERARCH ESO ISS PBL34 START 101.858
HIERARCH ESO ISS PBL34 END 102.045
HIERARCH ESO ISS PBLA34 START 43.617
HIERARCH ESO ISS PBLA34 END 43.714
HIERARCH ESO ISS AMBI TAU0 START 0.006163
HIERARCH ESO ISS AMBI TAU0 END 0.00645
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53