Exposure
ID
GRAVI.2025-05-22T09:03:46.680_1
Header ID
GRAVI.2025-05-22T09:03:46.680
Date updated
2025-05-22 09:16:08 UTC+0000
Release date
2025-05-22 09:03:46 UTC+0000
UTC Start
2025-05-22 09:03:46.680
UTC End
2025-05-22 09:06:10.680
MJD Start
60817.37762361
MJD End
60817.379290276665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.007249
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.375
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 66.1760 65.9590 271.4000 271.4000
K0-D0 95.5680 95.4560 252.7000 252.7000
K0-J3 49.7940 49.6600 336.3220 336.6700
G2-D0 39.1310 39.1950 219.9000 220.0000
G2-J3 63.7680 63.8530 46.3780 46.4460
D0-J3 102.7420 102.8930 43.9060 43.9890
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 60817.37762361
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 66.176
HIERARCH ESO ISS PBL12 END 65.959
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.568
HIERARCH ESO ISS PBL13 END 95.456
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.794
HIERARCH ESO ISS PBL14 END 49.66
HIERARCH ESO ISS PBLA14 START 336.322
HIERARCH ESO ISS PBLA14 END 336.67
HIERARCH ESO ISS PBL23 START 39.131
HIERARCH ESO ISS PBL23 END 39.195
HIERARCH ESO ISS PBLA23 START 219.9
HIERARCH ESO ISS PBLA23 END 220.0
HIERARCH ESO ISS PBL24 START 63.768
HIERARCH ESO ISS PBL24 END 63.853
HIERARCH ESO ISS PBLA24 START 46.378
HIERARCH ESO ISS PBLA24 END 46.446
HIERARCH ESO ISS PBL34 START 102.742
HIERARCH ESO ISS PBL34 END 102.893
HIERARCH ESO ISS PBLA34 START 43.906
HIERARCH ESO ISS PBLA34 END 43.989
HIERARCH ESO ISS AMBI TAU0 START 0.007459
HIERARCH ESO ISS AMBI TAU0 END 0.007039
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.38