Exposure
ID
GRAVI.2025-05-25T08:51:09.463_1
Header ID
GRAVI.2025-05-25T08:51:09.463
Date updated
2025-05-25 09:01:00 UTC+0000
Release date
2025-05-25 08:51:09 UTC+0000
UTC Start
2025-05-25 08:51:09.463
UTC End
2025-05-25 08:53:33.463
MJD Start
60820.36885952
MJD End
60820.37052618666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0047495
Ambient temperature (°C)
11.54
Seeing (arcsec)
0.46499999999999997
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 66.2330 66.0200 271.4000 271.4000
K0-D0 95.5960 95.4890 252.7000 252.7000
K0-J3 49.8300 49.6970 336.2230 336.5670
G2-D0 39.1130 39.1770 219.8000 219.9000
G2-J3 63.7440 63.8300 46.3540 46.4220
D0-J3 102.7000 102.8520 43.8780 43.9610
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 60820.36885952
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 66.233
HIERARCH ESO ISS PBL12 END 66.02
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.596
HIERARCH ESO ISS PBL13 END 95.489
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 49.83
HIERARCH ESO ISS PBL14 END 49.697
HIERARCH ESO ISS PBLA14 START 336.223
HIERARCH ESO ISS PBLA14 END 336.567
HIERARCH ESO ISS PBL23 START 39.113
HIERARCH ESO ISS PBL23 END 39.177
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.9
HIERARCH ESO ISS PBL24 START 63.744
HIERARCH ESO ISS PBL24 END 63.83
HIERARCH ESO ISS PBLA24 START 46.354
HIERARCH ESO ISS PBLA24 END 46.422
HIERARCH ESO ISS PBL34 START 102.7
HIERARCH ESO ISS PBL34 END 102.852
HIERARCH ESO ISS PBLA34 START 43.878
HIERARCH ESO ISS PBLA34 END 43.961
HIERARCH ESO ISS AMBI TAU0 START 0.004836
HIERARCH ESO ISS AMBI TAU0 END 0.004663
HIERARCH ESO ISS AMBI TEMP 11.54
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.47