Exposure
ID
GRAVI.2025-10-17T06:15:06.988_1
Header ID
GRAVI.2025-10-17T06:15:06.988
Date updated
2025-10-17 06:26:08 UTC+0000
Release date
2025-10-17 06:15:06 UTC+0000
UTC Start
2025-10-17 06:15:06.988
UTC End
2025-10-17 06:17:30.988
MJD Start
60965.26049755
MJD End
60965.26216421666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003847
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.7849999999999999
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 35.4450 35.6020 124.7000 125.1000
A0-D0 31.9890 31.9930 46.0000 46.7000
A0-G1 77.9030 78.1630 82.5370 83.1830
B5-D0 42.8040 42.8300 351.8000 352.2000
B5-G1 56.8300 56.8910 57.8020 58.4620
D0-G1 55.5430 55.7940 102.5670 103.1300
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 60965.26049755
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 35.445
HIERARCH ESO ISS PBL12 END 35.602
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 125.1
HIERARCH ESO ISS PBL13 START 31.989
HIERARCH ESO ISS PBL13 END 31.993
HIERARCH ESO ISS PBLA13 START 46.0
HIERARCH ESO ISS PBLA13 END 46.7
HIERARCH ESO ISS PBL14 START 77.903
HIERARCH ESO ISS PBL14 END 78.163
HIERARCH ESO ISS PBLA14 START 82.537
HIERARCH ESO ISS PBLA14 END 83.183
HIERARCH ESO ISS PBL23 START 42.804
HIERARCH ESO ISS PBL23 END 42.83
HIERARCH ESO ISS PBLA23 START 351.8
HIERARCH ESO ISS PBLA23 END 352.2
HIERARCH ESO ISS PBL24 START 56.83
HIERARCH ESO ISS PBL24 END 56.891
HIERARCH ESO ISS PBLA24 START 57.802
HIERARCH ESO ISS PBLA24 END 58.462
HIERARCH ESO ISS PBL34 START 55.543
HIERARCH ESO ISS PBL34 END 55.794
HIERARCH ESO ISS PBLA34 START 102.567
HIERARCH ESO ISS PBLA34 END 103.13
HIERARCH ESO ISS AMBI TAU0 START 0.003673
HIERARCH ESO ISS AMBI TAU0 END 0.004021
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.74