Exposure
ID
GRAVI.2025-05-30T09:54:46.985_1
Header ID
GRAVI.2025-05-30T09:54:46.985
Date updated
2025-05-30 10:08:55 UTC+0000
Release date
2025-05-30 09:54:46 UTC+0000
UTC Start
2025-05-30 09:54:46.985
UTC End
2025-05-30 09:57:10.985
MJD Start
60825.41304381
MJD End
60825.41471047666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0045190000000000004
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.49
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 39.7380 39.6610 166.9000 167.4000
A0-J2 105.0210 104.0870 92.9000 92.9000
A0-J6 169.3270 169.4020 35.0990 35.1300
B5-J2 101.5390 100.9830 70.8000 70.7000
B5-J6 198.0430 198.2560 26.4940 26.6130
J2-J6 144.0200 143.9680 356.9990 357.4170
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 60825.41304381
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 39.738
HIERARCH ESO ISS PBL12 END 39.661
HIERARCH ESO ISS PBLA12 START 166.9
HIERARCH ESO ISS PBLA12 END 167.4
HIERARCH ESO ISS PBL13 START 105.021
HIERARCH ESO ISS PBL13 END 104.087
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 169.327
HIERARCH ESO ISS PBL14 END 169.402
HIERARCH ESO ISS PBLA14 START 35.099
HIERARCH ESO ISS PBLA14 END 35.13
HIERARCH ESO ISS PBL23 START 101.539
HIERARCH ESO ISS PBL23 END 100.983
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 198.043
HIERARCH ESO ISS PBL24 END 198.256
HIERARCH ESO ISS PBLA24 START 26.494
HIERARCH ESO ISS PBLA24 END 26.613
HIERARCH ESO ISS PBL34 START 144.02
HIERARCH ESO ISS PBL34 END 143.968
HIERARCH ESO ISS PBLA34 START 356.999
HIERARCH ESO ISS PBLA34 END 357.417
HIERARCH ESO ISS AMBI TAU0 START 0.004161
HIERARCH ESO ISS AMBI TAU0 END 0.004877
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.48