Exposure
ID
GRAVI.2025-11-25T03:24:15.284_1
Header ID
GRAVI.2025-11-25T03:24:15.284
Date updated
2025-11-25 03:36:03 UTC+0000
Release date
2026-11-25 03:36:03 UTC+0000
UTC Start
2025-11-25 03:24:15.284
UTC End
2025-11-25 03:26:39.284
MJD Start
61004.14184356
MJD End
61004.14351022666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005759
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.6950000000000001
Observation
ID
71844
Category
science
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
53335
Name
bet_Dor
RA
83.401495
DEC
-62.48975
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 34.1180 34.2860 121.0000 121.5000
A0-D0 31.9480 31.9550 41.1000 41.7000
A0-G1 75.8420 76.1150 77.2850 77.9560
B5-D0 42.4580 42.4940 348.8000 349.2000
B5-G1 56.3540 56.4210 52.5490 53.2260
D0-G1 53.4930 53.7600 97.9370 98.5210
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61004.14184356
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Dor
HIERARCH ESO INS SOBJ NAME bet_Dor
RA 83.401495
DEC -62.48975
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 34.118
HIERARCH ESO ISS PBL12 END 34.286
HIERARCH ESO ISS PBLA12 START 121.0
HIERARCH ESO ISS PBLA12 END 121.5
HIERARCH ESO ISS PBL13 START 31.948
HIERARCH ESO ISS PBL13 END 31.955
HIERARCH ESO ISS PBLA13 START 41.1
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 75.842
HIERARCH ESO ISS PBL14 END 76.115
HIERARCH ESO ISS PBLA14 START 77.285
HIERARCH ESO ISS PBLA14 END 77.956
HIERARCH ESO ISS PBL23 START 42.458
HIERARCH ESO ISS PBL23 END 42.494
HIERARCH ESO ISS PBLA23 START 348.8
HIERARCH ESO ISS PBLA23 END 349.2
HIERARCH ESO ISS PBL24 START 56.354
HIERARCH ESO ISS PBL24 END 56.421
HIERARCH ESO ISS PBLA24 START 52.549
HIERARCH ESO ISS PBLA24 END 53.226
HIERARCH ESO ISS PBL34 START 53.493
HIERARCH ESO ISS PBL34 END 53.76
HIERARCH ESO ISS PBLA34 START 97.937
HIERARCH ESO ISS PBLA34 END 98.521
HIERARCH ESO ISS AMBI TAU0 START 0.005276
HIERARCH ESO ISS AMBI TAU0 END 0.006242
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.68