Exposure
ID
GRAVI.2025-08-16T02:38:31.099_1
Header ID
GRAVI.2025-08-16T02:38:31.099
Date updated
2025-08-16 02:50:57 UTC+0000
Release date
2026-08-16 02:50:57 UTC+0000
UTC Start
2025-08-16 02:38:31.099
UTC End
2025-08-16 02:40:55.099
MJD Start
60903.11008217
MJD End
60903.111748836665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002016
Ambient temperature (°C)
9.32
Seeing (arcsec)
1.0350000000000001
Observation
ID
70017
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
51948
Name
eta_Aql
RA
298.11825
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 68.1990 68.2490 271.5000 271.5000
K0-D0 93.7500 93.9850 252.6000 252.7000
K0-J3 52.9980 52.8720 328.9760 329.1990
G2-D0 36.6230 36.7370 215.6000 215.8000
G2-J3 59.7680 59.9710 43.1300 43.3320
D0-J3 96.1930 96.5110 40.2540 40.4720
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 60903.11008217
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME eta Aql
HIERARCH ESO INS SOBJ NAME eta_Aql
RA 298.11825
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 68.199
HIERARCH ESO ISS PBL12 END 68.249
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 93.75
HIERARCH ESO ISS PBL13 END 93.985
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 52.998
HIERARCH ESO ISS PBL14 END 52.872
HIERARCH ESO ISS PBLA14 START 328.976
HIERARCH ESO ISS PBLA14 END 329.199
HIERARCH ESO ISS PBL23 START 36.623
HIERARCH ESO ISS PBL23 END 36.737
HIERARCH ESO ISS PBLA23 START 215.6
HIERARCH ESO ISS PBLA23 END 215.8
HIERARCH ESO ISS PBL24 START 59.768
HIERARCH ESO ISS PBL24 END 59.971
HIERARCH ESO ISS PBLA24 START 43.13
HIERARCH ESO ISS PBLA24 END 43.332
HIERARCH ESO ISS PBL34 START 96.193
HIERARCH ESO ISS PBL34 END 96.511
HIERARCH ESO ISS PBLA34 START 40.254
HIERARCH ESO ISS PBLA34 END 40.472
HIERARCH ESO ISS AMBI TAU0 START 0.002016
HIERARCH ESO ISS AMBI TAU0 END 0.002016
HIERARCH ESO ISS AMBI TEMP 9.32
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 0.97