Exposure
ID
GRAVI.2025-11-24T02:49:03.823_1
Header ID
GRAVI.2025-11-24T02:49:03.823
Date updated
2025-11-24 03:01:01 UTC+0000
Release date
2025-11-24 02:49:03 UTC+0000
UTC Start
2025-11-24 02:49:03.823
UTC End
2025-11-24 02:51:27.823
MJD Start
61003.11740536
MJD End
61003.11907202666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0033239999999999997
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.895
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 31.9540 32.1430 115.5000 116.0000
A0-D0 31.8310 31.8410 33.1000 33.8000
A0-G1 72.2940 72.5840 68.8580 69.5680
B5-D0 42.0130 42.0640 344.2000 344.6000
B5-G1 55.4670 55.5370 44.0870 44.7840
D0-G1 50.0380 50.3300 90.6730 91.2900
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 61003.11740536
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 31.954
HIERARCH ESO ISS PBL12 END 32.143
HIERARCH ESO ISS PBLA12 START 115.5
HIERARCH ESO ISS PBLA12 END 116.0
HIERARCH ESO ISS PBL13 START 31.831
HIERARCH ESO ISS PBL13 END 31.841
HIERARCH ESO ISS PBLA13 START 33.1
HIERARCH ESO ISS PBLA13 END 33.8
HIERARCH ESO ISS PBL14 START 72.294
HIERARCH ESO ISS PBL14 END 72.584
HIERARCH ESO ISS PBLA14 START 68.858
HIERARCH ESO ISS PBLA14 END 69.568
HIERARCH ESO ISS PBL23 START 42.013
HIERARCH ESO ISS PBL23 END 42.064
HIERARCH ESO ISS PBLA23 START 344.2
HIERARCH ESO ISS PBLA23 END 344.6
HIERARCH ESO ISS PBL24 START 55.467
HIERARCH ESO ISS PBL24 END 55.537
HIERARCH ESO ISS PBLA24 START 44.087
HIERARCH ESO ISS PBLA24 END 44.784
HIERARCH ESO ISS PBL34 START 50.038
HIERARCH ESO ISS PBL34 END 50.33
HIERARCH ESO ISS PBLA34 START 90.673
HIERARCH ESO ISS PBLA34 END 91.29
HIERARCH ESO ISS AMBI TAU0 START 0.002908
HIERARCH ESO ISS AMBI TAU0 END 0.00374
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.93