Exposure
ID
GRAVI.2025-05-25T09:22:48.542_1
Header ID
GRAVI.2025-05-25T09:22:48.542
Date updated
2025-05-25 09:35:49 UTC+0000
Release date
2026-05-25 09:35:48 UTC+0000
UTC Start
2025-05-25 09:22:48.542
UTC End
2025-05-25 09:25:12.542
MJD Start
60820.39083961
MJD End
60820.392506276665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0039965
Ambient temperature (°C)
11.26
Seeing (arcsec)
0.645
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 65.7800 65.5460 271.2000 271.2000
K0-D0 95.3990 95.2690 252.6000 252.5000
K0-J3 49.2570 49.1220 336.7880 337.1430
G2-D0 39.1710 39.2340 220.1000 220.2000
G2-J3 63.8410 63.9210 46.5600 46.6150
D0-J3 102.8600 103.0050 44.1220 44.1910
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 60820.39083961
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 65.78
HIERARCH ESO ISS PBL12 END 65.546
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.399
HIERARCH ESO ISS PBL13 END 95.269
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.5
HIERARCH ESO ISS PBL14 START 49.257
HIERARCH ESO ISS PBL14 END 49.122
HIERARCH ESO ISS PBLA14 START 336.788
HIERARCH ESO ISS PBLA14 END 337.143
HIERARCH ESO ISS PBL23 START 39.171
HIERARCH ESO ISS PBL23 END 39.234
HIERARCH ESO ISS PBLA23 START 220.1
HIERARCH ESO ISS PBLA23 END 220.2
HIERARCH ESO ISS PBL24 START 63.841
HIERARCH ESO ISS PBL24 END 63.921
HIERARCH ESO ISS PBLA24 START 46.56
HIERARCH ESO ISS PBLA24 END 46.615
HIERARCH ESO ISS PBL34 START 102.86
HIERARCH ESO ISS PBL34 END 103.005
HIERARCH ESO ISS PBLA34 START 44.122
HIERARCH ESO ISS PBLA34 END 44.191
HIERARCH ESO ISS AMBI TAU0 START 0.004167
HIERARCH ESO ISS AMBI TAU0 END 0.003826
HIERARCH ESO ISS AMBI TEMP 11.26
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.61