Exposure
ID
GRAVI.2025-05-30T09:30:04.922_1
Header ID
GRAVI.2025-05-30T09:30:04.922
Date updated
2025-05-30 09:44:23 UTC+0000
Release date
2026-05-30 09:44:23 UTC+0000
UTC Start
2025-05-30 09:30:04.922
UTC End
2025-05-30 09:32:28.922
MJD Start
60825.3958903
MJD End
60825.397556966665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.006406
Ambient temperature (°C)
14.81
Seeing (arcsec)
0.475
Observation
ID
67650
Category
science
Program ID
113.26QJ.001
Program Title
IMPACT OF CIRCUMSTELLAR ENVELOPE OF CEPHEIDS ON THE PERIOD-LUMINOSITY RELATION IN THE ERA OF JWST
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / LEWIS / GALLENNE / KERVELLA / MÉRAND / SMOLEC / PIETRZYNSKI / GIEREN / PILECKI / BRAS
Target
ID
50308
Name
eta_Aql
RA
298.117139
DEC
1.00561
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.2010 41.0860 158.8000 159.2000
A0-J2 118.9450 118.3140 92.3000 92.3000
A0-J6 166.2760 166.5060 33.9040 34.0080
B5-J2 109.2420 108.9450 72.1000 72.0000
B5-J6 192.8380 193.1340 23.8110 23.9970
J2-J6 145.2170 145.0340 349.6430 350.0350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26QJ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60825.3958903
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME eta Aql
HIERARCH ESO INS SOBJ NAME eta_Aql
RA 298.117139
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 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 41.201
HIERARCH ESO ISS PBL12 END 41.086
HIERARCH ESO ISS PBLA12 START 158.8
HIERARCH ESO ISS PBLA12 END 159.2
HIERARCH ESO ISS PBL13 START 118.945
HIERARCH ESO ISS PBL13 END 118.314
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 166.276
HIERARCH ESO ISS PBL14 END 166.506
HIERARCH ESO ISS PBLA14 START 33.904
HIERARCH ESO ISS PBLA14 END 34.008
HIERARCH ESO ISS PBL23 START 109.242
HIERARCH ESO ISS PBL23 END 108.945
HIERARCH ESO ISS PBLA23 START 72.1
HIERARCH ESO ISS PBLA23 END 72.0
HIERARCH ESO ISS PBL24 START 192.838
HIERARCH ESO ISS PBL24 END 193.134
HIERARCH ESO ISS PBLA24 START 23.811
HIERARCH ESO ISS PBLA24 END 23.997
HIERARCH ESO ISS PBL34 START 145.217
HIERARCH ESO ISS PBL34 END 145.034
HIERARCH ESO ISS PBLA34 START 349.643
HIERARCH ESO ISS PBLA34 END 350.035
HIERARCH ESO ISS AMBI TAU0 START 0.006945
HIERARCH ESO ISS AMBI TAU0 END 0.005867
HIERARCH ESO ISS AMBI TEMP 14.81
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.48