Exposure
ID
GRAVI.2025-05-22T09:29:34.745_1
Header ID
GRAVI.2025-05-22T09:29:34.745
Date updated
2025-05-22 09:41:26 UTC+0000
Release date
2026-05-22 09:41:26 UTC+0000
UTC Start
2025-05-22 09:29:34.745
UTC End
2025-05-22 09:31:58.745
MJD Start
60817.39554103
MJD End
60817.39720769666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.007039999999999999
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.47
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 66.1740 65.9590 271.2000 271.2000
K0-D0 95.6000 95.4940 252.6000 252.6000
K0-J3 49.5010 49.3650 336.1660 336.5100
G2-D0 39.0530 39.1200 220.0000 220.1000
G2-J3 63.6840 63.7740 46.4540 46.5140
D0-J3 102.5820 102.7400 43.9890 44.0640
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 60817.39554103
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 66.174
HIERARCH ESO ISS PBL12 END 65.959
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.6
HIERARCH ESO ISS PBL13 END 95.494
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 49.501
HIERARCH ESO ISS PBL14 END 49.365
HIERARCH ESO ISS PBLA14 START 336.166
HIERARCH ESO ISS PBLA14 END 336.51
HIERARCH ESO ISS PBL23 START 39.053
HIERARCH ESO ISS PBL23 END 39.12
HIERARCH ESO ISS PBLA23 START 220.0
HIERARCH ESO ISS PBLA23 END 220.1
HIERARCH ESO ISS PBL24 START 63.684
HIERARCH ESO ISS PBL24 END 63.774
HIERARCH ESO ISS PBLA24 START 46.454
HIERARCH ESO ISS PBLA24 END 46.514
HIERARCH ESO ISS PBL34 START 102.582
HIERARCH ESO ISS PBL34 END 102.74
HIERARCH ESO ISS PBLA34 START 43.989
HIERARCH ESO ISS PBLA34 END 44.064
HIERARCH ESO ISS AMBI TAU0 START 0.007031
HIERARCH ESO ISS AMBI TAU0 END 0.007049
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.52