Exposure
ID
GRAVI.2025-05-22T09:00:37.671_1
Header ID
GRAVI.2025-05-22T09:00:37.671
Date updated
2025-05-22 09:10:59 UTC+0000
Release date
2025-05-22 09:00:37 UTC+0000
UTC Start
2025-05-22 09:00:37.671
UTC End
2025-05-22 09:03:01.671
MJD Start
60817.37543601
MJD End
60817.37710267666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.007865
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.405
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 66.4040 66.1980 271.4000 271.4000
K0-D0 95.6760 95.5790 252.7000 252.7000
K0-J3 49.9420 49.8080 335.9430 336.2850
G2-D0 39.0570 39.1240 219.8000 219.9000
G2-J3 63.6680 63.7590 46.2980 46.3710
D0-J3 102.5670 102.7260 43.8100 43.8970
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 60817.37543601
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 66.404
HIERARCH ESO ISS PBL12 END 66.198
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.676
HIERARCH ESO ISS PBL13 END 95.579
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.942
HIERARCH ESO ISS PBL14 END 49.808
HIERARCH ESO ISS PBLA14 START 335.943
HIERARCH ESO ISS PBLA14 END 336.285
HIERARCH ESO ISS PBL23 START 39.057
HIERARCH ESO ISS PBL23 END 39.124
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.9
HIERARCH ESO ISS PBL24 START 63.668
HIERARCH ESO ISS PBL24 END 63.759
HIERARCH ESO ISS PBLA24 START 46.298
HIERARCH ESO ISS PBLA24 END 46.371
HIERARCH ESO ISS PBL34 START 102.567
HIERARCH ESO ISS PBL34 END 102.726
HIERARCH ESO ISS PBLA34 START 43.81
HIERARCH ESO ISS PBLA34 END 43.897
HIERARCH ESO ISS AMBI TAU0 START 0.008271
HIERARCH ESO ISS AMBI TAU0 END 0.007459
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.37