Exposure
ID
GRAVI.2025-11-25T03:14:51.259_1
Header ID
GRAVI.2025-11-25T03:14:51.259
Date updated
2025-11-25 03:25:50 UTC+0000
Release date
2026-11-25 03:25:50 UTC+0000
UTC Start
2025-11-25 03:14:51.259
UTC End
2025-11-25 03:17:15.259
MJD Start
61004.1353155
MJD End
61004.13698216667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0056595
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.55
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 33.5440 33.7180 119.5000 119.9000
A0-D0 31.9230 31.9310 39.0000 39.6000
A0-G1 74.9180 75.1960 75.0240 75.7050
B5-D0 42.3300 42.3700 347.6000 347.9000
B5-G1 56.1300 56.1980 50.2790 50.9610
D0-G1 52.5870 52.8610 95.9680 96.5610
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 61004.1353155
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 33.544
HIERARCH ESO ISS PBL12 END 33.718
HIERARCH ESO ISS PBLA12 START 119.5
HIERARCH ESO ISS PBLA12 END 119.9
HIERARCH ESO ISS PBL13 START 31.923
HIERARCH ESO ISS PBL13 END 31.931
HIERARCH ESO ISS PBLA13 START 39.0
HIERARCH ESO ISS PBLA13 END 39.6
HIERARCH ESO ISS PBL14 START 74.918
HIERARCH ESO ISS PBL14 END 75.196
HIERARCH ESO ISS PBLA14 START 75.024
HIERARCH ESO ISS PBLA14 END 75.705
HIERARCH ESO ISS PBL23 START 42.33
HIERARCH ESO ISS PBL23 END 42.37
HIERARCH ESO ISS PBLA23 START 347.6
HIERARCH ESO ISS PBLA23 END 347.9
HIERARCH ESO ISS PBL24 START 56.13
HIERARCH ESO ISS PBL24 END 56.198
HIERARCH ESO ISS PBLA24 START 50.279
HIERARCH ESO ISS PBLA24 END 50.961
HIERARCH ESO ISS PBL34 START 52.587
HIERARCH ESO ISS PBL34 END 52.861
HIERARCH ESO ISS PBLA34 START 95.968
HIERARCH ESO ISS PBLA34 END 96.561
HIERARCH ESO ISS AMBI TAU0 START 0.006481
HIERARCH ESO ISS AMBI TAU0 END 0.004838
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.53