Exposure
ID
GRAVI.2025-08-15T03:46:05.519_1
Header ID
GRAVI.2025-08-15T03:46:05.519
Date updated
2025-08-15 03:55:55 UTC+0000
Release date
2026-08-15 03:55:55 UTC+0000
UTC Start
2025-08-15 03:46:05.519
UTC End
2025-08-15 03:48:29.519
MJD Start
60902.15700832
MJD End
60902.15867498666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.7
Seeing (arcsec)
1.19
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 66.8130 66.6300 271.2000 271.2000
K0-D0 95.8580 95.7940 252.7000 252.7000
K0-J3 49.9500 49.8120 335.0580 335.3900
G2-D0 38.8160 38.8910 219.6000 219.7000
G2-J3 63.3550 63.4610 46.2120 46.2910
D0-J3 102.0100 102.1930 43.6980 43.7910
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 60902.15700832
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 66.813
HIERARCH ESO ISS PBL12 END 66.63
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.858
HIERARCH ESO ISS PBL13 END 95.794
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.95
HIERARCH ESO ISS PBL14 END 49.812
HIERARCH ESO ISS PBLA14 START 335.058
HIERARCH ESO ISS PBLA14 END 335.39
HIERARCH ESO ISS PBL23 START 38.816
HIERARCH ESO ISS PBL23 END 38.891
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 219.7
HIERARCH ESO ISS PBL24 START 63.355
HIERARCH ESO ISS PBL24 END 63.461
HIERARCH ESO ISS PBLA24 START 46.212
HIERARCH ESO ISS PBLA24 END 46.291
HIERARCH ESO ISS PBL34 START 102.01
HIERARCH ESO ISS PBL34 END 102.193
HIERARCH ESO ISS PBLA34 START 43.698
HIERARCH ESO ISS PBLA34 END 43.791
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.7
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19