Exposure
ID
GRAVI.2025-06-20T07:14:29.818_1
Header ID
GRAVI.2025-06-20T07:14:29.818
Date updated
2025-06-20 07:26:08 UTC+0000
Release date
2026-06-20 07:26:08 UTC+0000
UTC Start
2025-06-20 07:14:29.818
UTC End
2025-06-20 07:16:53.818
MJD Start
60846.301734
MJD End
60846.303400666664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0037585
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.53
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 67.4670 67.3270 271.3000 271.3000
K0-D0 95.9780 95.9700 252.8000 252.8000
K0-J3 50.5310 50.3920 333.7350 334.0430
G2-D0 38.4820 38.5650 219.0000 219.2000
G2-J3 62.8610 62.9870 45.8330 45.9310
D0-J3 101.1750 101.3860 43.2540 43.3680
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 60846.301734
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 67.467
HIERARCH ESO ISS PBL12 END 67.327
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.978
HIERARCH ESO ISS PBL13 END 95.97
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.531
HIERARCH ESO ISS PBL14 END 50.392
HIERARCH ESO ISS PBLA14 START 333.735
HIERARCH ESO ISS PBLA14 END 334.043
HIERARCH ESO ISS PBL23 START 38.482
HIERARCH ESO ISS PBL23 END 38.565
HIERARCH ESO ISS PBLA23 START 219.0
HIERARCH ESO ISS PBLA23 END 219.2
HIERARCH ESO ISS PBL24 START 62.861
HIERARCH ESO ISS PBL24 END 62.987
HIERARCH ESO ISS PBLA24 START 45.833
HIERARCH ESO ISS PBLA24 END 45.931
HIERARCH ESO ISS PBL34 START 101.175
HIERARCH ESO ISS PBL34 END 101.386
HIERARCH ESO ISS PBLA34 START 43.254
HIERARCH ESO ISS PBLA34 END 43.368
HIERARCH ESO ISS AMBI TAU0 START 0.004582
HIERARCH ESO ISS AMBI TAU0 END 0.002935
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.57