Exposure
ID
GRAVI.2025-05-24T08:24:27.012_1
Header ID
GRAVI.2025-05-24T08:24:27.012
Date updated
2025-05-24 08:35:58 UTC+0000
Release date
2026-05-24 08:35:57 UTC+0000
UTC Start
2025-05-24 08:24:27.012
UTC End
2025-05-24 08:26:51.012
MJD Start
60819.35031264
MJD End
60819.351979306666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003068
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.7
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 68.3480 68.3400 271.4000 271.4000
K0-D0 94.8930 95.0560 252.8000 252.8000
K0-J3 52.2830 52.1500 330.2390 330.4740
G2-D0 37.2430 37.3490 216.8000 217.0000
G2-J3 60.8500 61.0310 44.1380 44.2940
D0-J3 97.9030 98.1930 41.3540 41.5260
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 60819.35031264
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 68.348
HIERARCH ESO ISS PBL12 END 68.34
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 94.893
HIERARCH ESO ISS PBL13 END 95.056
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 52.283
HIERARCH ESO ISS PBL14 END 52.15
HIERARCH ESO ISS PBLA14 START 330.239
HIERARCH ESO ISS PBLA14 END 330.474
HIERARCH ESO ISS PBL23 START 37.243
HIERARCH ESO ISS PBL23 END 37.349
HIERARCH ESO ISS PBLA23 START 216.8
HIERARCH ESO ISS PBLA23 END 217.0
HIERARCH ESO ISS PBL24 START 60.85
HIERARCH ESO ISS PBL24 END 61.031
HIERARCH ESO ISS PBLA24 START 44.138
HIERARCH ESO ISS PBLA24 END 44.294
HIERARCH ESO ISS PBL34 START 97.903
HIERARCH ESO ISS PBL34 END 98.193
HIERARCH ESO ISS PBLA34 START 41.354
HIERARCH ESO ISS PBLA34 END 41.526
HIERARCH ESO ISS AMBI TAU0 START 0.003068
HIERARCH ESO ISS AMBI TAU0 END 0.003068
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7