Exposure
ID
GRAVI.2025-05-30T09:33:13.930_1
Header ID
GRAVI.2025-05-30T09:33:13.930
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 09:33:13.930
UTC End
2025-05-30 09:35:37.930
MJD Start
60825.39807789
MJD End
60825.399744556664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0057540000000000004
Ambient temperature (°C)
14.84
Seeing (arcsec)
0.47
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 41.0730 40.9600 159.3000 159.7000
A0-J2 118.2420 117.5910 92.3000 92.3000
A0-J6 166.5310 166.7520 34.0190 34.1190
B5-J2 108.9110 108.5980 72.0000 72.0000
B5-J6 193.1670 193.4600 24.0170 24.1980
J2-J6 145.0130 144.8370 350.0790 350.4740
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 60825.39807789
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 41.073
HIERARCH ESO ISS PBL12 END 40.96
HIERARCH ESO ISS PBLA12 START 159.3
HIERARCH ESO ISS PBLA12 END 159.7
HIERARCH ESO ISS PBL13 START 118.242
HIERARCH ESO ISS PBL13 END 117.591
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 166.531
HIERARCH ESO ISS PBL14 END 166.752
HIERARCH ESO ISS PBLA14 START 34.019
HIERARCH ESO ISS PBLA14 END 34.119
HIERARCH ESO ISS PBL23 START 108.911
HIERARCH ESO ISS PBL23 END 108.598
HIERARCH ESO ISS PBLA23 START 72.0
HIERARCH ESO ISS PBLA23 END 72.0
HIERARCH ESO ISS PBL24 START 193.167
HIERARCH ESO ISS PBL24 END 193.46
HIERARCH ESO ISS PBLA24 START 24.017
HIERARCH ESO ISS PBLA24 END 24.198
HIERARCH ESO ISS PBL34 START 145.013
HIERARCH ESO ISS PBL34 END 144.837
HIERARCH ESO ISS PBLA34 START 350.079
HIERARCH ESO ISS PBLA34 END 350.474
HIERARCH ESO ISS AMBI TAU0 START 0.005867
HIERARCH ESO ISS AMBI TAU0 END 0.005641
HIERARCH ESO ISS AMBI TEMP 14.84
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.46