Exposure
ID
GRAVI.2025-05-25T09:13:15.518_1
Header ID
GRAVI.2025-05-25T09:13:15.518
Date updated
2025-05-25 09:25:59 UTC+0000
Release date
2026-05-25 09:25:59 UTC+0000
UTC Start
2025-05-25 09:13:15.518
UTC End
2025-05-25 09:15:39.518
MJD Start
60820.38420739
MJD End
60820.385874056665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0045125
Ambient temperature (°C)
11.33
Seeing (arcsec)
0.56
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 66.5010 66.3000 271.2000 271.2000
K0-D0 95.7440 95.6580 252.7000 252.7000
K0-J3 49.7210 49.5830 335.6140 335.9540
G2-D0 38.9400 39.0110 219.8000 219.9000
G2-J3 63.5300 63.6280 46.3380 46.4090
D0-J3 102.3130 102.4830 43.8490 43.9350
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 60820.38420739
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 66.501
HIERARCH ESO ISS PBL12 END 66.3
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.744
HIERARCH ESO ISS PBL13 END 95.658
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.721
HIERARCH ESO ISS PBL14 END 49.583
HIERARCH ESO ISS PBLA14 START 335.614
HIERARCH ESO ISS PBLA14 END 335.954
HIERARCH ESO ISS PBL23 START 38.94
HIERARCH ESO ISS PBL23 END 39.011
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.9
HIERARCH ESO ISS PBL24 START 63.53
HIERARCH ESO ISS PBL24 END 63.628
HIERARCH ESO ISS PBLA24 START 46.338
HIERARCH ESO ISS PBLA24 END 46.409
HIERARCH ESO ISS PBL34 START 102.313
HIERARCH ESO ISS PBL34 END 102.483
HIERARCH ESO ISS PBLA34 START 43.849
HIERARCH ESO ISS PBLA34 END 43.935
HIERARCH ESO ISS AMBI TAU0 START 0.004406
HIERARCH ESO ISS AMBI TAU0 END 0.004619
HIERARCH ESO ISS AMBI TEMP 11.33
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56