Exposure
ID
GRAVI.2025-05-24T08:53:57.087_1
Header ID
GRAVI.2025-05-24T08:53:57.087
Date updated
2025-05-24 09:06:06 UTC+0000
Release date
2025-05-24 08:53:57 UTC+0000
UTC Start
2025-05-24 08:53:57.087
UTC End
2025-05-24 08:56:21.087
MJD Start
60819.37079962
MJD End
60819.372466286666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0028929999999999997
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.84
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 66.3180 66.1090 271.4000 271.4000
K0-D0 95.6370 95.5340 252.7000 252.7000
K0-J3 49.8850 49.7510 336.0790 336.4230
G2-D0 39.0850 39.1510 219.8000 219.9000
G2-J3 63.7070 63.7950 46.3210 46.3920
D0-J3 102.6350 102.7910 43.8390 43.9250
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 60819.37079962
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 66.318
HIERARCH ESO ISS PBL12 END 66.109
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.637
HIERARCH ESO ISS PBL13 END 95.534
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.885
HIERARCH ESO ISS PBL14 END 49.751
HIERARCH ESO ISS PBLA14 START 336.079
HIERARCH ESO ISS PBLA14 END 336.423
HIERARCH ESO ISS PBL23 START 39.085
HIERARCH ESO ISS PBL23 END 39.151
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.9
HIERARCH ESO ISS PBL24 START 63.707
HIERARCH ESO ISS PBL24 END 63.795
HIERARCH ESO ISS PBLA24 START 46.321
HIERARCH ESO ISS PBLA24 END 46.392
HIERARCH ESO ISS PBL34 START 102.635
HIERARCH ESO ISS PBL34 END 102.791
HIERARCH ESO ISS PBLA34 START 43.839
HIERARCH ESO ISS PBLA34 END 43.925
HIERARCH ESO ISS AMBI TAU0 START 0.002941
HIERARCH ESO ISS AMBI TAU0 END 0.002845
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.85