Exposure
ID
GRAVI.2025-10-19T05:52:25.118_1
Header ID
GRAVI.2025-10-19T05:52:25.118
Date updated
2025-10-19 06:05:47 UTC+0000
Release date
2025-10-19 05:52:25 UTC+0000
UTC Start
2025-10-19 05:52:25.118
UTC End
2025-10-19 05:54:49.118
MJD Start
60967.24473516
MJD End
60967.24640182666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.011428
Ambient temperature (°C)
15.42
Seeing (arcsec)
0.495
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 34.5940 34.7590 122.3000 122.8000
A0-D0 31.9610 31.9670 42.7000 43.3000
A0-G1 76.4930 76.7640 79.0730 79.7350
B5-D0 42.6470 42.6790 349.8000 350.2000
B5-G1 56.4930 56.5580 54.2770 54.9490
D0-G1 54.1800 54.4430 99.5510 100.1270
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 60967.24473516
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 34.594
HIERARCH ESO ISS PBL12 END 34.759
HIERARCH ESO ISS PBLA12 START 122.3
HIERARCH ESO ISS PBLA12 END 122.8
HIERARCH ESO ISS PBL13 START 31.961
HIERARCH ESO ISS PBL13 END 31.967
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 76.493
HIERARCH ESO ISS PBL14 END 76.764
HIERARCH ESO ISS PBLA14 START 79.073
HIERARCH ESO ISS PBLA14 END 79.735
HIERARCH ESO ISS PBL23 START 42.647
HIERARCH ESO ISS PBL23 END 42.679
HIERARCH ESO ISS PBLA23 START 349.8
HIERARCH ESO ISS PBLA23 END 350.2
HIERARCH ESO ISS PBL24 START 56.493
HIERARCH ESO ISS PBL24 END 56.558
HIERARCH ESO ISS PBLA24 START 54.277
HIERARCH ESO ISS PBLA24 END 54.949
HIERARCH ESO ISS PBL34 START 54.18
HIERARCH ESO ISS PBL34 END 54.443
HIERARCH ESO ISS PBLA34 START 99.551
HIERARCH ESO ISS PBLA34 END 100.127
HIERARCH ESO ISS AMBI TAU0 START 0.011428
HIERARCH ESO ISS AMBI TAU0 END 0.011428
HIERARCH ESO ISS AMBI TEMP 15.42
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.47