Exposure
ID
GRAVI.2025-05-30T09:23:40.906_1
Header ID
GRAVI.2025-05-30T09:23:40.906
Date updated
2025-05-30 09:33:33 UTC+0000
Release date
2026-05-30 09:33:32 UTC+0000
UTC Start
2025-05-30 09:23:40.906
UTC End
2025-05-30 09:26:04.906
MJD Start
60825.39144567
MJD End
60825.393112336664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005081
Ambient temperature (°C)
14.82
Seeing (arcsec)
0.495
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 41.4660 41.3480 157.9000 158.3000
A0-J2 120.3120 119.7220 92.3000 92.3000
A0-J6 165.7290 165.9740 33.6510 33.7650
B5-J2 109.8600 109.5970 72.2000 72.2000
B5-J6 192.1560 192.4580 23.3760 23.5700
J2-J6 145.6580 145.4600 348.7630 349.1480
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 60825.39144567
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 41.466
HIERARCH ESO ISS PBL12 END 41.348
HIERARCH ESO ISS PBLA12 START 157.9
HIERARCH ESO ISS PBLA12 END 158.3
HIERARCH ESO ISS PBL13 START 120.312
HIERARCH ESO ISS PBL13 END 119.722
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 165.729
HIERARCH ESO ISS PBL14 END 165.974
HIERARCH ESO ISS PBLA14 START 33.651
HIERARCH ESO ISS PBLA14 END 33.765
HIERARCH ESO ISS PBL23 START 109.86
HIERARCH ESO ISS PBL23 END 109.597
HIERARCH ESO ISS PBLA23 START 72.2
HIERARCH ESO ISS PBLA23 END 72.2
HIERARCH ESO ISS PBL24 START 192.156
HIERARCH ESO ISS PBL24 END 192.458
HIERARCH ESO ISS PBLA24 START 23.376
HIERARCH ESO ISS PBLA24 END 23.57
HIERARCH ESO ISS PBL34 START 145.658
HIERARCH ESO ISS PBL34 END 145.46
HIERARCH ESO ISS PBLA34 START 348.763
HIERARCH ESO ISS PBLA34 END 349.148
HIERARCH ESO ISS AMBI TAU0 START 0.005362
HIERARCH ESO ISS AMBI TAU0 END 0.0048
HIERARCH ESO ISS AMBI TEMP 14.82
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.51