Exposure
ID
GRAVI.2025-06-22T07:00:37.504_1
Header ID
GRAVI.2025-06-22T07:00:37.504
Date updated
2025-06-22 07:10:56 UTC+0000
Release date
2026-06-22 07:10:56 UTC+0000
UTC Start
2025-06-22 07:00:37.504
UTC End
2025-06-22 07:03:01.504
MJD Start
60848.29210074
MJD End
60848.29376740666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0021444999999999997
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.53
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 67.7300 67.6120 271.3000 271.3000
K0-D0 95.9490 95.9700 252.8000 252.8000
K0-J3 50.8250 50.6860 333.0950 333.3960
G2-D0 38.2980 38.3860 218.7000 218.9000
G2-J3 62.5790 62.7150 45.6060 45.7180
D0-J3 100.7060 100.9310 42.9940 43.1220
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 60848.29210074
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 67.73
HIERARCH ESO ISS PBL12 END 67.612
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.949
HIERARCH ESO ISS PBL13 END 95.97
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.825
HIERARCH ESO ISS PBL14 END 50.686
HIERARCH ESO ISS PBLA14 START 333.095
HIERARCH ESO ISS PBLA14 END 333.396
HIERARCH ESO ISS PBL23 START 38.298
HIERARCH ESO ISS PBL23 END 38.386
HIERARCH ESO ISS PBLA23 START 218.7
HIERARCH ESO ISS PBLA23 END 218.9
HIERARCH ESO ISS PBL24 START 62.579
HIERARCH ESO ISS PBL24 END 62.715
HIERARCH ESO ISS PBLA24 START 45.606
HIERARCH ESO ISS PBLA24 END 45.718
HIERARCH ESO ISS PBL34 START 100.706
HIERARCH ESO ISS PBL34 END 100.931
HIERARCH ESO ISS PBLA34 START 42.994
HIERARCH ESO ISS PBLA34 END 43.122
HIERARCH ESO ISS AMBI TAU0 START 0.002214
HIERARCH ESO ISS AMBI TAU0 END 0.002075
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.55