Exposure
ID
GRAVI.2025-06-22T06:51:10.480_1
Header ID
GRAVI.2025-06-22T06:51:10.480
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 06:51:10.480
UTC End
2025-06-22 06:53:34.480
MJD Start
60848.28553796
MJD End
60848.287204626664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0030785
Ambient temperature (°C)
10.94
Seeing (arcsec)
0.45499999999999996
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 68.0510 67.9670 271.3000 271.3000
K0-D0 95.7830 95.8480 252.8000 252.8000
K0-J3 51.2880 51.1500 332.1410 332.4160
G2-D0 37.9900 38.0840 218.2000 218.4000
G2-J3 62.0910 62.2420 45.2120 45.3320
D0-J3 99.9040 100.1510 42.5470 42.6830
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 60848.28553796
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 68.051
HIERARCH ESO ISS PBL12 END 67.967
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.3
HIERARCH ESO ISS PBL13 START 95.783
HIERARCH ESO ISS PBL13 END 95.848
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.288
HIERARCH ESO ISS PBL14 END 51.15
HIERARCH ESO ISS PBLA14 START 332.141
HIERARCH ESO ISS PBLA14 END 332.416
HIERARCH ESO ISS PBL23 START 37.99
HIERARCH ESO ISS PBL23 END 38.084
HIERARCH ESO ISS PBLA23 START 218.2
HIERARCH ESO ISS PBLA23 END 218.4
HIERARCH ESO ISS PBL24 START 62.091
HIERARCH ESO ISS PBL24 END 62.242
HIERARCH ESO ISS PBLA24 START 45.212
HIERARCH ESO ISS PBLA24 END 45.332
HIERARCH ESO ISS PBL34 START 99.904
HIERARCH ESO ISS PBL34 END 100.151
HIERARCH ESO ISS PBLA34 START 42.547
HIERARCH ESO ISS PBLA34 END 42.683
HIERARCH ESO ISS AMBI TAU0 START 0.003068
HIERARCH ESO ISS AMBI TAU0 END 0.003089
HIERARCH ESO ISS AMBI TEMP 10.94
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.42