Exposure
ID
GRAVI.2025-11-25T03:08:21.243_1
Header ID
GRAVI.2025-11-25T03:08:21.243
Date updated
2025-11-25 03:15:49 UTC+0000
Release date
2025-11-25 03:08:21 UTC+0000
UTC Start
2025-11-25 03:08:21.243
UTC End
2025-11-25 03:10:45.243
MJD Start
61004.13080142
MJD End
61004.13246808666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.00814
Ambient temperature (°C)
13.83
Seeing (arcsec)
0.505
Observation
ID
71843
Category
calibrator
Program ID
116.28NF.002
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 / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
53334
Name
HD_36689
RA
82.317424
DEC
-62.31438
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 33.4610 33.6370 119.3000 119.8000
A0-D0 31.9100 31.9190 38.5000 39.1000
A0-G1 74.6580 74.9400 74.6100 75.2930
B5-D0 42.3980 42.4390 347.3000 347.7000
B5-G1 56.0450 56.1140 49.7860 50.4690
D0-G1 52.3880 52.6650 95.6700 96.2630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61004.13080142
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317424
DEC -62.31438
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 33.461
HIERARCH ESO ISS PBL12 END 33.637
HIERARCH ESO ISS PBLA12 START 119.3
HIERARCH ESO ISS PBLA12 END 119.8
HIERARCH ESO ISS PBL13 START 31.91
HIERARCH ESO ISS PBL13 END 31.919
HIERARCH ESO ISS PBLA13 START 38.5
HIERARCH ESO ISS PBLA13 END 39.1
HIERARCH ESO ISS PBL14 START 74.658
HIERARCH ESO ISS PBL14 END 74.94
HIERARCH ESO ISS PBLA14 START 74.61
HIERARCH ESO ISS PBLA14 END 75.293
HIERARCH ESO ISS PBL23 START 42.398
HIERARCH ESO ISS PBL23 END 42.439
HIERARCH ESO ISS PBLA23 START 347.3
HIERARCH ESO ISS PBLA23 END 347.7
HIERARCH ESO ISS PBL24 START 56.045
HIERARCH ESO ISS PBL24 END 56.114
HIERARCH ESO ISS PBLA24 START 49.786
HIERARCH ESO ISS PBLA24 END 50.469
HIERARCH ESO ISS PBL34 START 52.388
HIERARCH ESO ISS PBL34 END 52.665
HIERARCH ESO ISS PBLA34 START 95.67
HIERARCH ESO ISS PBLA34 END 96.263
HIERARCH ESO ISS AMBI TAU0 START 0.008045
HIERARCH ESO ISS AMBI TAU0 END 0.008235
HIERARCH ESO ISS AMBI TEMP 13.83
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.5