Exposure
ID
GRAVI.2025-05-25T08:41:45.438_1
Header ID
GRAVI.2025-05-25T08:41:45.438
Date updated
2025-05-25 08:55:51 UTC+0000
Release date
2025-05-25 08:41:45 UTC+0000
UTC Start
2025-05-25 08:41:45.438
UTC End
2025-05-25 08:44:09.438
MJD Start
60820.36233146
MJD End
60820.36399812666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005289500000000001
Ambient temperature (°C)
11.59
Seeing (arcsec)
0.42
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 66.8700 66.6910 271.4000 271.4000
K0-D0 95.8580 95.7950 252.8000 252.7000
K0-J3 50.2760 50.1420 335.1080 335.4360
G2-D0 38.8810 38.9530 219.4000 219.6000
G2-J3 63.4220 63.5240 46.0910 46.1750
D0-J3 102.1410 102.3170 43.5660 43.6650
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 60820.36233146
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 66.87
HIERARCH ESO ISS PBL12 END 66.691
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.858
HIERARCH ESO ISS PBL13 END 95.795
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.276
HIERARCH ESO ISS PBL14 END 50.142
HIERARCH ESO ISS PBLA14 START 335.108
HIERARCH ESO ISS PBLA14 END 335.436
HIERARCH ESO ISS PBL23 START 38.881
HIERARCH ESO ISS PBL23 END 38.953
HIERARCH ESO ISS PBLA23 START 219.4
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.422
HIERARCH ESO ISS PBL24 END 63.524
HIERARCH ESO ISS PBLA24 START 46.091
HIERARCH ESO ISS PBLA24 END 46.175
HIERARCH ESO ISS PBL34 START 102.141
HIERARCH ESO ISS PBL34 END 102.317
HIERARCH ESO ISS PBLA34 START 43.566
HIERARCH ESO ISS PBLA34 END 43.665
HIERARCH ESO ISS AMBI TAU0 START 0.004884
HIERARCH ESO ISS AMBI TAU0 END 0.005695
HIERARCH ESO ISS AMBI TEMP 11.59
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.41