Exposure
ID
GRAVI.2025-10-27T05:00:22.064_1
Header ID
GRAVI.2025-10-27T05:00:22.064
Date updated
2025-10-27 05:11:24 UTC+0000
Release date
2025-10-27 05:00:22 UTC+0000
UTC Start
2025-10-27 05:00:22.064
UTC End
2025-10-27 05:02:46.064
MJD Start
60975.2085887
MJD End
60975.21025536666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0027134999999999998
Ambient temperature (°C)
12.32
Seeing (arcsec)
1.0550000000000002
Observation
ID
71011
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 74.4600 74.7430 74.1000 74.8000
A0-J2 121.4210 121.6250 53.7000 54.4000
A0-K0 127.5840 127.6190 38.0080 38.6520
G1-J2 57.7830 57.7640 27.1000 27.6000
G1-K0 80.4690 80.4470 4.9520 5.4090
J2-K0 34.6180 34.7260 326.0380 326.3940
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 60975.2085887
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 74.46
HIERARCH ESO ISS PBL12 END 74.743
HIERARCH ESO ISS PBLA12 START 74.1
HIERARCH ESO ISS PBLA12 END 74.8
HIERARCH ESO ISS PBL13 START 121.421
HIERARCH ESO ISS PBL13 END 121.625
HIERARCH ESO ISS PBLA13 START 53.7
HIERARCH ESO ISS PBLA13 END 54.4
HIERARCH ESO ISS PBL14 START 127.584
HIERARCH ESO ISS PBL14 END 127.619
HIERARCH ESO ISS PBLA14 START 38.008
HIERARCH ESO ISS PBLA14 END 38.652
HIERARCH ESO ISS PBL23 START 57.783
HIERARCH ESO ISS PBL23 END 57.764
HIERARCH ESO ISS PBLA23 START 27.1
HIERARCH ESO ISS PBLA23 END 27.6
HIERARCH ESO ISS PBL24 START 80.469
HIERARCH ESO ISS PBL24 END 80.447
HIERARCH ESO ISS PBLA24 START 4.952
HIERARCH ESO ISS PBLA24 END 5.409
HIERARCH ESO ISS PBL34 START 34.618
HIERARCH ESO ISS PBL34 END 34.726
HIERARCH ESO ISS PBLA34 START 326.038
HIERARCH ESO ISS PBLA34 END 326.394
HIERARCH ESO ISS AMBI TAU0 START 0.002725
HIERARCH ESO ISS AMBI TAU0 END 0.002702
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.01