Exposure
ID
GRAVI.2025-11-24T03:18:09.897_1
Header ID
GRAVI.2025-11-24T03:18:09.897
Date updated
2025-11-24 03:30:53 UTC+0000
Release date
2026-11-24 03:30:52 UTC+0000
UTC Start
2025-11-24 03:18:09.897
UTC End
2025-11-24 03:20:33.897
MJD Start
61003.13761455
MJD End
61003.13928121667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0031015
Ambient temperature (°C)
14.02
Seeing (arcsec)
1.04
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 33.5070 33.6820 119.4000 119.9000
A0-D0 31.9210 31.9290 38.8000 39.5000
A0-G1 74.8600 75.1390 74.8830 75.5630
B5-D0 42.3220 42.3620 347.5000 347.9000
B5-G1 56.1160 56.1840 50.1380 50.8190
D0-G1 52.5300 52.8040 95.8450 96.4370
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 61003.13761455
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 33.507
HIERARCH ESO ISS PBL12 END 33.682
HIERARCH ESO ISS PBLA12 START 119.4
HIERARCH ESO ISS PBLA12 END 119.9
HIERARCH ESO ISS PBL13 START 31.921
HIERARCH ESO ISS PBL13 END 31.929
HIERARCH ESO ISS PBLA13 START 38.8
HIERARCH ESO ISS PBLA13 END 39.5
HIERARCH ESO ISS PBL14 START 74.86
HIERARCH ESO ISS PBL14 END 75.139
HIERARCH ESO ISS PBLA14 START 74.883
HIERARCH ESO ISS PBLA14 END 75.563
HIERARCH ESO ISS PBL23 START 42.322
HIERARCH ESO ISS PBL23 END 42.362
HIERARCH ESO ISS PBLA23 START 347.5
HIERARCH ESO ISS PBLA23 END 347.9
HIERARCH ESO ISS PBL24 START 56.116
HIERARCH ESO ISS PBL24 END 56.184
HIERARCH ESO ISS PBLA24 START 50.138
HIERARCH ESO ISS PBLA24 END 50.819
HIERARCH ESO ISS PBL34 START 52.53
HIERARCH ESO ISS PBL34 END 52.804
HIERARCH ESO ISS PBLA34 START 95.845
HIERARCH ESO ISS PBLA34 END 96.437
HIERARCH ESO ISS AMBI TAU0 START 0.003369
HIERARCH ESO ISS AMBI TAU0 END 0.002834
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 0.96