Exposure
ID
GRAVI.2025-05-25T09:16:24.526_1
Header ID
GRAVI.2025-05-25T09:16:24.526
Date updated
2025-05-25 09:25:59 UTC+0000
Release date
2026-05-25 09:25:59 UTC+0000
UTC Start
2025-05-25 09:16:24.526
UTC End
2025-05-25 09:18:48.526
MJD Start
60820.38639498
MJD End
60820.38806164666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.00422
Ambient temperature (°C)
11.17
Seeing (arcsec)
0.595
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 66.2770 66.0660 271.2000 271.2000
K0-D0 95.6480 95.5480 252.7000 252.6000
K0-J3 49.5680 49.4320 335.9930 336.3360
G2-D0 39.0190 39.0870 219.9000 220.0000
G2-J3 63.6390 63.7300 46.4170 46.4820
D0-J3 102.5020 102.6630 43.9440 44.0250
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 60820.38639498
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 66.277
HIERARCH ESO ISS PBL12 END 66.066
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 95.648
HIERARCH ESO ISS PBL13 END 95.548
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 49.568
HIERARCH ESO ISS PBL14 END 49.432
HIERARCH ESO ISS PBLA14 START 335.993
HIERARCH ESO ISS PBLA14 END 336.336
HIERARCH ESO ISS PBL23 START 39.019
HIERARCH ESO ISS PBL23 END 39.087
HIERARCH ESO ISS PBLA23 START 219.9
HIERARCH ESO ISS PBLA23 END 220.0
HIERARCH ESO ISS PBL24 START 63.639
HIERARCH ESO ISS PBL24 END 63.73
HIERARCH ESO ISS PBLA24 START 46.417
HIERARCH ESO ISS PBLA24 END 46.482
HIERARCH ESO ISS PBL34 START 102.502
HIERARCH ESO ISS PBL34 END 102.663
HIERARCH ESO ISS PBLA34 START 43.944
HIERARCH ESO ISS PBLA34 END 44.025
HIERARCH ESO ISS AMBI TAU0 START 0.004154
HIERARCH ESO ISS AMBI TAU0 END 0.004286
HIERARCH ESO ISS AMBI TEMP 11.17
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59