Exposure
ID
GRAVI.2025-05-25T08:48:03.455_1
Header ID
GRAVI.2025-05-25T08:48:03.455
Date updated
2025-05-25 09:01:00 UTC+0000
Release date
2025-05-25 08:48:03 UTC+0000
UTC Start
2025-05-25 08:48:03.455
UTC End
2025-05-25 08:50:27.455
MJD Start
60820.36670665
MJD End
60820.36837331666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0048985
Ambient temperature (°C)
11.65
Seeing (arcsec)
0.44
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 66.4550 66.2530 271.4000 271.4000
K0-D0 95.6980 95.6050 252.7000 252.7000
K0-J3 49.9760 49.8420 335.8510 336.1900
G2-D0 39.0390 39.1060 219.7000 219.8000
G2-J3 63.6440 63.7350 46.2730 46.3470
D0-J3 102.5250 102.6850 43.7810 43.8700
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 60820.36670665
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 66.455
HIERARCH ESO ISS PBL12 END 66.253
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.698
HIERARCH ESO ISS PBL13 END 95.605
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.976
HIERARCH ESO ISS PBL14 END 49.842
HIERARCH ESO ISS PBLA14 START 335.851
HIERARCH ESO ISS PBLA14 END 336.19
HIERARCH ESO ISS PBL23 START 39.039
HIERARCH ESO ISS PBL23 END 39.106
HIERARCH ESO ISS PBLA23 START 219.7
HIERARCH ESO ISS PBLA23 END 219.8
HIERARCH ESO ISS PBL24 START 63.644
HIERARCH ESO ISS PBL24 END 63.735
HIERARCH ESO ISS PBLA24 START 46.273
HIERARCH ESO ISS PBLA24 END 46.347
HIERARCH ESO ISS PBL34 START 102.525
HIERARCH ESO ISS PBL34 END 102.685
HIERARCH ESO ISS PBLA34 START 43.781
HIERARCH ESO ISS PBLA34 END 43.87
HIERARCH ESO ISS AMBI TAU0 START 0.004934
HIERARCH ESO ISS AMBI TAU0 END 0.004863
HIERARCH ESO ISS AMBI TEMP 11.65
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.46