Exposure
ID
GRAVI.2025-05-30T10:04:17.009_1
Header ID
GRAVI.2025-05-30T10:04:17.009
Date updated
2025-05-30 10:11:55 UTC+0000
Release date
2025-05-30 10:04:17 UTC+0000
UTC Start
2025-05-30 10:04:17.009
UTC End
2025-05-30 10:06:41.009
MJD Start
60825.41964131
MJD End
60825.42130797666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0053045
Ambient temperature (°C)
14.52
Seeing (arcsec)
0.55
Observation
ID
67651
Category
calibrator
Program ID
113.26QJ.001
Program Title
IMPACT OF CIRCUMSTELLAR ENVELOPE OF CEPHEIDS ON THE PERIOD-LUMINOSITY RELATION IN THE ERA OF JWST
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / LEWIS / GALLENNE / KERVELLA / MÉRAND / SMOLEC / PIETRZYNSKI / GIEREN / PILECKI / BRAS
Target
ID
50309
Name
HD182835
RA
291.628423
DEC
0.33856
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 39.4880 39.4200 168.5000 169.0000
A0-J2 101.8070 100.8200 93.0000 93.0000
A0-J6 169.5450 169.5910 35.1880 35.2050
B5-J2 99.6110 99.0100 70.4000 70.3000
B5-J6 198.7410 198.9360 26.8790 26.9850
J2-J6 143.8760 143.8510 358.4130 358.8340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26QJ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60825.41964131
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME nu. Aql
HIERARCH ESO INS SOBJ NAME HD182835
RA 291.628423
DEC 0.33856
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 39.488
HIERARCH ESO ISS PBL12 END 39.42
HIERARCH ESO ISS PBLA12 START 168.5
HIERARCH ESO ISS PBLA12 END 169.0
HIERARCH ESO ISS PBL13 START 101.807
HIERARCH ESO ISS PBL13 END 100.82
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 169.545
HIERARCH ESO ISS PBL14 END 169.591
HIERARCH ESO ISS PBLA14 START 35.188
HIERARCH ESO ISS PBLA14 END 35.205
HIERARCH ESO ISS PBL23 START 99.611
HIERARCH ESO ISS PBL23 END 99.01
HIERARCH ESO ISS PBLA23 START 70.4
HIERARCH ESO ISS PBLA23 END 70.3
HIERARCH ESO ISS PBL24 START 198.741
HIERARCH ESO ISS PBL24 END 198.936
HIERARCH ESO ISS PBLA24 START 26.879
HIERARCH ESO ISS PBLA24 END 26.985
HIERARCH ESO ISS PBL34 START 143.876
HIERARCH ESO ISS PBL34 END 143.851
HIERARCH ESO ISS PBLA34 START 358.413
HIERARCH ESO ISS PBLA34 END 358.834
HIERARCH ESO ISS AMBI TAU0 START 0.004814
HIERARCH ESO ISS AMBI TAU0 END 0.005795
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.53