Exposure
ID
GRAVI.2025-06-22T06:54:16.488_1
Header ID
GRAVI.2025-06-22T06:54:16.488
Date updated
2025-06-22 07:05:45 UTC+0000
Release date
2026-06-22 07:05:45 UTC+0000
UTC Start
2025-06-22 06:54:16.488
UTC End
2025-06-22 06:56:40.488
MJD Start
60848.28769083
MJD End
60848.289357496666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002687
Ambient temperature (°C)
10.97
Seeing (arcsec)
0.44
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 67.9590 67.8650 271.3000 271.3000
K0-D0 95.8530 95.9040 252.8000 252.8000
K0-J3 51.1380 51.0000 332.4450 332.7260
G2-D0 38.0920 38.1840 218.4000 218.5000
G2-J3 62.2550 62.4010 45.3470 45.4620
D0-J3 100.1720 100.4120 42.6990 42.8300
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 60848.28769083
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 67.959
HIERARCH ESO ISS PBL12 END 67.865
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.853
HIERARCH ESO ISS PBL13 END 95.904
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.138
HIERARCH ESO ISS PBL14 END 51.0
HIERARCH ESO ISS PBLA14 START 332.445
HIERARCH ESO ISS PBLA14 END 332.726
HIERARCH ESO ISS PBL23 START 38.092
HIERARCH ESO ISS PBL23 END 38.184
HIERARCH ESO ISS PBLA23 START 218.4
HIERARCH ESO ISS PBLA23 END 218.5
HIERARCH ESO ISS PBL24 START 62.255
HIERARCH ESO ISS PBL24 END 62.401
HIERARCH ESO ISS PBLA24 START 45.347
HIERARCH ESO ISS PBLA24 END 45.462
HIERARCH ESO ISS PBL34 START 100.172
HIERARCH ESO ISS PBL34 END 100.412
HIERARCH ESO ISS PBLA34 START 42.699
HIERARCH ESO ISS PBLA34 END 42.83
HIERARCH ESO ISS AMBI TAU0 START 0.003089
HIERARCH ESO ISS AMBI TAU0 END 0.002285
HIERARCH ESO ISS AMBI TEMP 10.97
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.46