Exposure
ID
GRAVI.2025-11-25T03:30:33.299_1
Header ID
GRAVI.2025-11-25T03:30:33.299
Date updated
2025-11-25 03:41:01 UTC+0000
Release date
2026-11-25 03:41:01 UTC+0000
UTC Start
2025-11-25 03:30:33.299
UTC End
2025-11-25 03:32:57.299
MJD Start
61004.14621874
MJD End
61004.147885406666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0059039999999999995
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.6599999999999999
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 34.4940 34.6590 122.0000 122.5000
A0-D0 31.9630 31.9690 42.5000 43.2000
A0-G1 76.4540 76.7240 78.7900 79.4540
B5-D0 42.5370 42.5690 349.7000 350.0000
B5-G1 56.5020 56.5670 54.0680 54.7410
D0-G1 54.0900 54.3520 99.2470 99.8270
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 61004.14621874
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 34.494
HIERARCH ESO ISS PBL12 END 34.659
HIERARCH ESO ISS PBLA12 START 122.0
HIERARCH ESO ISS PBLA12 END 122.5
HIERARCH ESO ISS PBL13 START 31.963
HIERARCH ESO ISS PBL13 END 31.969
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 76.454
HIERARCH ESO ISS PBL14 END 76.724
HIERARCH ESO ISS PBLA14 START 78.79
HIERARCH ESO ISS PBLA14 END 79.454
HIERARCH ESO ISS PBL23 START 42.537
HIERARCH ESO ISS PBL23 END 42.569
HIERARCH ESO ISS PBLA23 START 349.7
HIERARCH ESO ISS PBLA23 END 350.0
HIERARCH ESO ISS PBL24 START 56.502
HIERARCH ESO ISS PBL24 END 56.567
HIERARCH ESO ISS PBLA24 START 54.068
HIERARCH ESO ISS PBLA24 END 54.741
HIERARCH ESO ISS PBL34 START 54.09
HIERARCH ESO ISS PBL34 END 54.352
HIERARCH ESO ISS PBLA34 START 99.247
HIERARCH ESO ISS PBLA34 END 99.827
HIERARCH ESO ISS AMBI TAU0 START 0.007035
HIERARCH ESO ISS AMBI TAU0 END 0.004773
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.73