Exposure
ID
GRAVI.2025-06-22T06:32:22.432_1
Header ID
GRAVI.2025-06-22T06:32:22.432
Date updated
2025-06-22 06:40:55 UTC+0000
Release date
2025-06-22 06:32:22 UTC+0000
UTC Start
2025-06-22 06:32:22.432
UTC End
2025-06-22 06:34:46.432
MJD Start
60848.27248185
MJD End
60848.27414851666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002287
Ambient temperature (°C)
11.22
Seeing (arcsec)
0.5449999999999999
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 67.8250 67.7160 271.4000 271.4000
K0-D0 95.9320 95.9600 252.8000 252.8000
K0-J3 51.2000 51.0660 332.9970 333.2860
G2-D0 38.3290 38.4160 218.5000 218.6000
G2-J3 62.5920 62.7270 45.3910 45.5030
D0-J3 100.7480 100.9710 42.7620 42.8900
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 60848.27248185
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 67.825
HIERARCH ESO ISS PBL12 END 67.716
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.932
HIERARCH ESO ISS PBL13 END 95.96
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.2
HIERARCH ESO ISS PBL14 END 51.066
HIERARCH ESO ISS PBLA14 START 332.997
HIERARCH ESO ISS PBLA14 END 333.286
HIERARCH ESO ISS PBL23 START 38.329
HIERARCH ESO ISS PBL23 END 38.416
HIERARCH ESO ISS PBLA23 START 218.5
HIERARCH ESO ISS PBLA23 END 218.6
HIERARCH ESO ISS PBL24 START 62.592
HIERARCH ESO ISS PBL24 END 62.727
HIERARCH ESO ISS PBLA24 START 45.391
HIERARCH ESO ISS PBLA24 END 45.503
HIERARCH ESO ISS PBL34 START 100.748
HIERARCH ESO ISS PBL34 END 100.971
HIERARCH ESO ISS PBLA34 START 42.762
HIERARCH ESO ISS PBLA34 END 42.89
HIERARCH ESO ISS AMBI TAU0 START 0.002287
HIERARCH ESO ISS AMBI TAU0 END 0.002287
HIERARCH ESO ISS AMBI TEMP 11.22
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.61