Exposure
ID
GRAVI.2025-10-19T06:01:49.142_1
Header ID
GRAVI.2025-10-19T06:01:49.142
Date updated
2025-10-19 06:16:16 UTC+0000
Release date
2025-10-19 06:01:49 UTC+0000
UTC Start
2025-10-19 06:01:49.142
UTC End
2025-10-19 06:04:13.142
MJD Start
60967.25126322
MJD End
60967.252929886665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.011709
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.52
Observation
ID
70961
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
52661
Name
HD_36689
RA
82.317425
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 35.1380 35.2980 123.8000 124.3000
A0-D0 31.9800 31.9850 44.8000 45.5000
A0-G1 77.3910 77.6570 81.2730 81.9310
B5-D0 42.7500 42.7790 351.1000 351.4000
B5-G1 56.7080 56.7720 56.5130 57.1830
D0-G1 55.0490 55.3060 101.4670 102.0400
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 60967.25126322
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317425
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 35.138
HIERARCH ESO ISS PBL12 END 35.298
HIERARCH ESO ISS PBLA12 START 123.8
HIERARCH ESO ISS PBLA12 END 124.3
HIERARCH ESO ISS PBL13 START 31.98
HIERARCH ESO ISS PBL13 END 31.985
HIERARCH ESO ISS PBLA13 START 44.8
HIERARCH ESO ISS PBLA13 END 45.5
HIERARCH ESO ISS PBL14 START 77.391
HIERARCH ESO ISS PBL14 END 77.657
HIERARCH ESO ISS PBLA14 START 81.273
HIERARCH ESO ISS PBLA14 END 81.931
HIERARCH ESO ISS PBL23 START 42.75
HIERARCH ESO ISS PBL23 END 42.779
HIERARCH ESO ISS PBLA23 START 351.1
HIERARCH ESO ISS PBLA23 END 351.4
HIERARCH ESO ISS PBL24 START 56.708
HIERARCH ESO ISS PBL24 END 56.772
HIERARCH ESO ISS PBLA24 START 56.513
HIERARCH ESO ISS PBLA24 END 57.183
HIERARCH ESO ISS PBL34 START 55.049
HIERARCH ESO ISS PBL34 END 55.306
HIERARCH ESO ISS PBLA34 START 101.467
HIERARCH ESO ISS PBLA34 END 102.04
HIERARCH ESO ISS AMBI TAU0 START 0.011608
HIERARCH ESO ISS AMBI TAU0 END 0.01181
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.58