Exposure
ID
GRAVI.2025-06-22T06:29:16.425_1
Header ID
GRAVI.2025-06-22T06:29:16.425
Date updated
2025-06-22 06:40:55 UTC+0000
Release date
2025-06-22 06:29:16 UTC+0000
UTC Start
2025-06-22 06:29:16.425
UTC End
2025-06-22 06:31:40.425
MJD Start
60848.27032899
MJD End
60848.271995656665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0028995
Ambient temperature (°C)
11.29
Seeing (arcsec)
0.495
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 67.9320 67.8340 271.4000 271.4000
K0-D0 95.8860 95.9290 252.8000 252.8000
K0-J3 51.3470 51.2120 332.6840 332.9670
G2-D0 38.2330 38.3220 218.3000 218.4000
G2-J3 62.4400 62.5800 45.2580 45.3760
D0-J3 100.4980 100.7280 42.6130 42.7460
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 60848.27032899
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 67.932
HIERARCH ESO ISS PBL12 END 67.834
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.886
HIERARCH ESO ISS PBL13 END 95.929
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.347
HIERARCH ESO ISS PBL14 END 51.212
HIERARCH ESO ISS PBLA14 START 332.684
HIERARCH ESO ISS PBLA14 END 332.967
HIERARCH ESO ISS PBL23 START 38.233
HIERARCH ESO ISS PBL23 END 38.322
HIERARCH ESO ISS PBLA23 START 218.3
HIERARCH ESO ISS PBLA23 END 218.4
HIERARCH ESO ISS PBL24 START 62.44
HIERARCH ESO ISS PBL24 END 62.58
HIERARCH ESO ISS PBLA24 START 45.258
HIERARCH ESO ISS PBLA24 END 45.376
HIERARCH ESO ISS PBL34 START 100.498
HIERARCH ESO ISS PBL34 END 100.728
HIERARCH ESO ISS PBLA34 START 42.613
HIERARCH ESO ISS PBLA34 END 42.746
HIERARCH ESO ISS AMBI TAU0 START 0.002686
HIERARCH ESO ISS AMBI TAU0 END 0.003113
HIERARCH ESO ISS AMBI TEMP 11.29
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.48