Exposure
ID
GRAVI.2025-05-22T09:23:10.729_1
Header ID
GRAVI.2025-05-22T09:23:10.729
Date updated
2025-05-22 09:36:10 UTC+0000
Release date
2026-05-22 09:36:09 UTC+0000
UTC Start
2025-05-22 09:23:10.729
UTC End
2025-05-22 09:25:34.729
MJD Start
60817.3910964
MJD End
60817.392763066666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.006109
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.45499999999999996
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 66.6280 66.4350 271.2000 271.2000
K0-D0 95.7940 95.7170 252.7000 252.7000
K0-J3 49.8120 49.6750 335.3940 335.7320
G2-D0 38.8920 38.9640 219.7000 219.8000
G2-J3 63.4630 63.5630 46.2900 46.3670
D0-J3 102.1960 102.3700 43.7910 43.8830
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 60817.3910964
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 66.628
HIERARCH ESO ISS PBL12 END 66.435
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.794
HIERARCH ESO ISS PBL13 END 95.717
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.812
HIERARCH ESO ISS PBL14 END 49.675
HIERARCH ESO ISS PBLA14 START 335.394
HIERARCH ESO ISS PBLA14 END 335.732
HIERARCH ESO ISS PBL23 START 38.892
HIERARCH ESO ISS PBL23 END 38.964
HIERARCH ESO ISS PBLA23 START 219.7
HIERARCH ESO ISS PBLA23 END 219.8
HIERARCH ESO ISS PBL24 START 63.463
HIERARCH ESO ISS PBL24 END 63.563
HIERARCH ESO ISS PBLA24 START 46.29
HIERARCH ESO ISS PBLA24 END 46.367
HIERARCH ESO ISS PBL34 START 102.196
HIERARCH ESO ISS PBL34 END 102.37
HIERARCH ESO ISS PBLA34 START 43.791
HIERARCH ESO ISS PBLA34 END 43.883
HIERARCH ESO ISS AMBI TAU0 START 0.005045
HIERARCH ESO ISS AMBI TAU0 END 0.007173
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.41