Exposure
ID
GRAVI.2025-06-20T06:54:02.766_1
Header ID
GRAVI.2025-06-20T06:54:02.766
Date updated
2025-06-20 07:05:49 UTC+0000
Release date
2025-06-20 06:54:02 UTC+0000
UTC Start
2025-06-20 06:54:02.766
UTC End
2025-06-20 06:56:26.766
MJD Start
60846.28753201
MJD End
60846.28919867666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0019795000000000004
Ambient temperature (°C)
12.37
Seeing (arcsec)
0.79
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 67.1910 67.0320 271.4000 271.4000
K0-D0 95.9430 95.9060 252.8000 252.8000
K0-J3 50.5390 50.4040 334.4850 334.8030
G2-D0 38.7340 38.8100 219.2000 219.3000
G2-J3 63.2080 63.3200 45.9160 46.0090
D0-J3 101.7770 101.9670 43.3620 43.4700
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 60846.28753201
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 67.191
HIERARCH ESO ISS PBL12 END 67.032
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.943
HIERARCH ESO ISS PBL13 END 95.906
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.539
HIERARCH ESO ISS PBL14 END 50.404
HIERARCH ESO ISS PBLA14 START 334.485
HIERARCH ESO ISS PBLA14 END 334.803
HIERARCH ESO ISS PBL23 START 38.734
HIERARCH ESO ISS PBL23 END 38.81
HIERARCH ESO ISS PBLA23 START 219.2
HIERARCH ESO ISS PBLA23 END 219.3
HIERARCH ESO ISS PBL24 START 63.208
HIERARCH ESO ISS PBL24 END 63.32
HIERARCH ESO ISS PBLA24 START 45.916
HIERARCH ESO ISS PBLA24 END 46.009
HIERARCH ESO ISS PBL34 START 101.777
HIERARCH ESO ISS PBL34 END 101.967
HIERARCH ESO ISS PBLA34 START 43.362
HIERARCH ESO ISS PBLA34 END 43.47
HIERARCH ESO ISS AMBI TAU0 START 0.001912
HIERARCH ESO ISS AMBI TAU0 END 0.002047
HIERARCH ESO ISS AMBI TEMP 12.37
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.73