Exposure
ID
GRAVI.2025-05-24T08:14:56.988_1
Header ID
GRAVI.2025-05-24T08:14:56.988
Date updated
2025-05-24 08:25:58 UTC+0000
Release date
2026-05-24 08:25:58 UTC+0000
UTC Start
2025-05-24 08:14:56.988
UTC End
2025-05-24 08:17:20.988
MJD Start
60819.34371514
MJD End
60819.34538180666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003068
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.76
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 68.2960 68.3240 271.5000 271.5000
K0-D0 94.2490 94.4570 252.7000 252.7000
K0-J3 52.7210 52.5920 329.4520 329.6790
G2-D0 36.8720 36.9850 216.1000 216.3000
G2-J3 60.2090 60.4050 43.5440 43.7260
D0-J3 96.8870 97.1960 40.7040 40.9030
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 60819.34371514
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 68.296
HIERARCH ESO ISS PBL12 END 68.324
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 94.249
HIERARCH ESO ISS PBL13 END 94.457
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 52.721
HIERARCH ESO ISS PBL14 END 52.592
HIERARCH ESO ISS PBLA14 START 329.452
HIERARCH ESO ISS PBLA14 END 329.679
HIERARCH ESO ISS PBL23 START 36.872
HIERARCH ESO ISS PBL23 END 36.985
HIERARCH ESO ISS PBLA23 START 216.1
HIERARCH ESO ISS PBLA23 END 216.3
HIERARCH ESO ISS PBL24 START 60.209
HIERARCH ESO ISS PBL24 END 60.405
HIERARCH ESO ISS PBLA24 START 43.544
HIERARCH ESO ISS PBLA24 END 43.726
HIERARCH ESO ISS PBL34 START 96.887
HIERARCH ESO ISS PBL34 END 97.196
HIERARCH ESO ISS PBLA34 START 40.704
HIERARCH ESO ISS PBLA34 END 40.903
HIERARCH ESO ISS AMBI TAU0 START 0.003068
HIERARCH ESO ISS AMBI TAU0 END 0.003068
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76