Exposure
ID
GRAVI.2025-10-20T06:12:15.147_1
Header ID
GRAVI.2025-10-20T06:12:15.147
Date updated
2025-10-20 06:26:08 UTC+0000
Release date
2025-10-20 06:12:15 UTC+0000
UTC Start
2025-10-20 06:12:15.147
UTC End
2025-10-20 06:14:39.147
MJD Start
60968.25850865
MJD End
60968.26017531666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0131095
Ambient temperature (°C)
15.64
Seeing (arcsec)
0.41000000000000003
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 35.9350 36.0870 126.1000 126.5000
A0-D0 31.9990 32.0010 48.0000 48.7000
A0-G1 78.7200 78.9750 84.5810 85.2260
B5-D0 42.8820 42.9040 353.0000 353.4000
B5-G1 57.0210 57.0790 59.8950 60.5570
D0-G1 56.3290 56.5750 104.3510 104.9150
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 60968.25850865
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 35.935
HIERARCH ESO ISS PBL12 END 36.087
HIERARCH ESO ISS PBLA12 START 126.1
HIERARCH ESO ISS PBLA12 END 126.5
HIERARCH ESO ISS PBL13 START 31.999
HIERARCH ESO ISS PBL13 END 32.001
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 48.7
HIERARCH ESO ISS PBL14 START 78.72
HIERARCH ESO ISS PBL14 END 78.975
HIERARCH ESO ISS PBLA14 START 84.581
HIERARCH ESO ISS PBLA14 END 85.226
HIERARCH ESO ISS PBL23 START 42.882
HIERARCH ESO ISS PBL23 END 42.904
HIERARCH ESO ISS PBLA23 START 353.0
HIERARCH ESO ISS PBLA23 END 353.4
HIERARCH ESO ISS PBL24 START 57.021
HIERARCH ESO ISS PBL24 END 57.079
HIERARCH ESO ISS PBLA24 START 59.895
HIERARCH ESO ISS PBLA24 END 60.557
HIERARCH ESO ISS PBL34 START 56.329
HIERARCH ESO ISS PBL34 END 56.575
HIERARCH ESO ISS PBLA34 START 104.351
HIERARCH ESO ISS PBLA34 END 104.915
HIERARCH ESO ISS AMBI TAU0 START 0.012999
HIERARCH ESO ISS AMBI TAU0 END 0.01322
HIERARCH ESO ISS AMBI TEMP 15.64
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.42