Exposure
ID
GRAVI.2025-10-19T06:08:25.159_1
Header ID
GRAVI.2025-10-19T06:08:25.159
Date updated
2025-10-19 06:16:16 UTC+0000
Release date
2026-10-19 06:16:16 UTC+0000
UTC Start
2025-10-19 06:08:25.159
UTC End
2025-10-19 06:10:49.159
MJD Start
60967.25584675
MJD End
60967.25751341666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.01125
Ambient temperature (°C)
15.23
Seeing (arcsec)
0.565
Observation
ID
70962
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
52662
Name
bet_Dor
RA
83.401496
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 35.2080 35.3670 124.0000 124.5000
A0-D0 31.9860 31.9900 45.3000 46.0000
A0-G1 77.6250 77.8880 81.6950 82.3520
B5-D0 42.6730 42.7010 351.3000 351.7000
B5-G1 56.7810 56.8430 57.0160 57.6860
D0-G1 55.2260 55.4800 101.7830 102.3560
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 60967.25584675
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Dor
HIERARCH ESO INS SOBJ NAME bet_Dor
RA 83.401496
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 35.208
HIERARCH ESO ISS PBL12 END 35.367
HIERARCH ESO ISS PBLA12 START 124.0
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 31.986
HIERARCH ESO ISS PBL13 END 31.99
HIERARCH ESO ISS PBLA13 START 45.3
HIERARCH ESO ISS PBLA13 END 46.0
HIERARCH ESO ISS PBL14 START 77.625
HIERARCH ESO ISS PBL14 END 77.888
HIERARCH ESO ISS PBLA14 START 81.695
HIERARCH ESO ISS PBLA14 END 82.352
HIERARCH ESO ISS PBL23 START 42.673
HIERARCH ESO ISS PBL23 END 42.701
HIERARCH ESO ISS PBLA23 START 351.3
HIERARCH ESO ISS PBLA23 END 351.7
HIERARCH ESO ISS PBL24 START 56.781
HIERARCH ESO ISS PBL24 END 56.843
HIERARCH ESO ISS PBLA24 START 57.016
HIERARCH ESO ISS PBLA24 END 57.686
HIERARCH ESO ISS PBL34 START 55.226
HIERARCH ESO ISS PBL34 END 55.48
HIERARCH ESO ISS PBLA34 START 101.783
HIERARCH ESO ISS PBLA34 END 102.356
HIERARCH ESO ISS AMBI TAU0 START 0.012141
HIERARCH ESO ISS AMBI TAU0 END 0.010359
HIERARCH ESO ISS AMBI TEMP 15.23
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.62