Exposure
ID
GRAVI.2025-05-25T09:06:54.502_1
Header ID
GRAVI.2025-05-25T09:06:54.502
Date updated
2025-05-25 09:20:50 UTC+0000
Release date
2026-05-25 09:20:49 UTC+0000
UTC Start
2025-05-25 09:06:54.502
UTC End
2025-05-25 09:09:18.502
MJD Start
60820.37979748
MJD End
60820.38146414667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.004168
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.5700000000000001
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 66.9110 66.7330 271.2000 271.2000
K0-D0 95.8870 95.8310 252.7000 252.7000
K0-J3 50.0290 49.8910 334.8750 335.2030
G2-D0 38.7740 38.8500 219.5000 219.6000
G2-J3 63.2940 63.4030 46.1630 46.2450
D0-J3 101.9070 102.0930 43.6400 43.7370
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 60820.37979748
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 66.911
HIERARCH ESO ISS PBL12 END 66.733
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.887
HIERARCH ESO ISS PBL13 END 95.831
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.029
HIERARCH ESO ISS PBL14 END 49.891
HIERARCH ESO ISS PBLA14 START 334.875
HIERARCH ESO ISS PBLA14 END 335.203
HIERARCH ESO ISS PBL23 START 38.774
HIERARCH ESO ISS PBL23 END 38.85
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.294
HIERARCH ESO ISS PBL24 END 63.403
HIERARCH ESO ISS PBLA24 START 46.163
HIERARCH ESO ISS PBLA24 END 46.245
HIERARCH ESO ISS PBL34 START 101.907
HIERARCH ESO ISS PBL34 END 102.093
HIERARCH ESO ISS PBLA34 START 43.64
HIERARCH ESO ISS PBLA34 END 43.737
HIERARCH ESO ISS AMBI TAU0 START 0.004278
HIERARCH ESO ISS AMBI TAU0 END 0.004058
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.58