Exposure
ID
GRAVI.2025-05-30T09:39:37.947_1
Header ID
GRAVI.2025-05-30T09:39:37.947
Date updated
2025-05-30 09:48:50 UTC+0000
Release date
2026-05-30 09:48:50 UTC+0000
UTC Start
2025-05-30 09:39:37.947
UTC End
2025-05-30 09:42:01.947
MJD Start
60825.40252253
MJD End
60825.40418919666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0059035
Ambient temperature (°C)
14.85
Seeing (arcsec)
0.43
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 40.8170 40.7070 160.2000 160.6000
A0-J2 116.7290 116.0380 92.3000 92.3000
A0-J6 167.0250 167.2290 34.2400 34.3290
B5-J2 108.1750 107.8280 71.9000 71.8000
B5-J6 193.8320 194.1180 24.4250 24.5970
J2-J6 144.6200 144.4580 350.9840 351.3830
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 60825.40252253
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 40.817
HIERARCH ESO ISS PBL12 END 40.707
HIERARCH ESO ISS PBLA12 START 160.2
HIERARCH ESO ISS PBLA12 END 160.6
HIERARCH ESO ISS PBL13 START 116.729
HIERARCH ESO ISS PBL13 END 116.038
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 167.025
HIERARCH ESO ISS PBL14 END 167.229
HIERARCH ESO ISS PBLA14 START 34.24
HIERARCH ESO ISS PBLA14 END 34.329
HIERARCH ESO ISS PBL23 START 108.175
HIERARCH ESO ISS PBL23 END 107.828
HIERARCH ESO ISS PBLA23 START 71.9
HIERARCH ESO ISS PBLA23 END 71.8
HIERARCH ESO ISS PBL24 START 193.832
HIERARCH ESO ISS PBL24 END 194.118
HIERARCH ESO ISS PBLA24 START 24.425
HIERARCH ESO ISS PBLA24 END 24.597
HIERARCH ESO ISS PBL34 START 144.62
HIERARCH ESO ISS PBL34 END 144.458
HIERARCH ESO ISS PBLA34 START 350.984
HIERARCH ESO ISS PBLA34 END 351.383
HIERARCH ESO ISS AMBI TAU0 START 0.006705
HIERARCH ESO ISS AMBI TAU0 END 0.005102
HIERARCH ESO ISS AMBI TEMP 14.85
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43