Exposure
ID
GRAVI.2025-05-24T08:47:33.071_1
Header ID
GRAVI.2025-05-24T08:47:33.071
Date updated
2025-05-24 08:55:54 UTC+0000
Release date
2025-05-24 08:47:33 UTC+0000
UTC Start
2025-05-24 08:47:33.071
UTC End
2025-05-24 08:49:57.071
MJD Start
60819.36635499
MJD End
60819.368021656664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002941
Ambient temperature (°C)
12.11
Seeing (arcsec)
0.835
Observation
ID
67531
Category
calibrator
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
50225
Name
HD182835
RA
291.629534
DEC
0.33856
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 66.7540 66.5680 271.4000 271.4000
K0-D0 95.8180 95.7460 252.8000 252.7000
K0-J3 50.1880 50.0540 335.3240 335.6520
G2-D0 38.9280 38.9990 219.5000 219.6000
G2-J3 63.4900 63.5880 46.1480 46.2250
D0-J3 102.2570 102.4280 43.6330 43.7250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60819.36635499
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME nu. Aql
HIERARCH ESO INS SOBJ NAME HD182835
RA 291.629534
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 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 66.754
HIERARCH ESO ISS PBL12 END 66.568
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.818
HIERARCH ESO ISS PBL13 END 95.746
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.188
HIERARCH ESO ISS PBL14 END 50.054
HIERARCH ESO ISS PBLA14 START 335.324
HIERARCH ESO ISS PBLA14 END 335.652
HIERARCH ESO ISS PBL23 START 38.928
HIERARCH ESO ISS PBL23 END 38.999
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.49
HIERARCH ESO ISS PBL24 END 63.588
HIERARCH ESO ISS PBLA24 START 46.148
HIERARCH ESO ISS PBLA24 END 46.225
HIERARCH ESO ISS PBL34 START 102.257
HIERARCH ESO ISS PBL34 END 102.428
HIERARCH ESO ISS PBLA34 START 43.633
HIERARCH ESO ISS PBLA34 END 43.725
HIERARCH ESO ISS AMBI TAU0 START 0.002941
HIERARCH ESO ISS AMBI TAU0 END 0.002941
HIERARCH ESO ISS AMBI TEMP 12.11
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.83