Exposure
ID
GRAVI.2025-11-25T03:21:09.276_1
Header ID
GRAVI.2025-11-25T03:21:09.276
Date updated
2025-11-25 03:31:03 UTC+0000
Release date
2026-11-25 03:31:03 UTC+0000
UTC Start
2025-11-25 03:21:09.276
UTC End
2025-11-25 03:23:33.276
MJD Start
61004.13969069
MJD End
61004.14135735666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005014
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.6499999999999999
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 33.9330 34.1030 120.5000 121.0000
A0-D0 31.9400 31.9480 40.4000 41.0000
A0-G1 75.5420 75.8170 76.5510 77.2250
B5-D0 42.4180 42.4550 348.4000 348.8000
B5-G1 56.2820 56.3490 51.8110 52.4890
D0-G1 53.2000 53.4690 97.2970 97.8850
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 61004.13969069
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 33.933
HIERARCH ESO ISS PBL12 END 34.103
HIERARCH ESO ISS PBLA12 START 120.5
HIERARCH ESO ISS PBLA12 END 121.0
HIERARCH ESO ISS PBL13 START 31.94
HIERARCH ESO ISS PBL13 END 31.948
HIERARCH ESO ISS PBLA13 START 40.4
HIERARCH ESO ISS PBLA13 END 41.0
HIERARCH ESO ISS PBL14 START 75.542
HIERARCH ESO ISS PBL14 END 75.817
HIERARCH ESO ISS PBLA14 START 76.551
HIERARCH ESO ISS PBLA14 END 77.225
HIERARCH ESO ISS PBL23 START 42.418
HIERARCH ESO ISS PBL23 END 42.455
HIERARCH ESO ISS PBLA23 START 348.4
HIERARCH ESO ISS PBLA23 END 348.8
HIERARCH ESO ISS PBL24 START 56.282
HIERARCH ESO ISS PBL24 END 56.349
HIERARCH ESO ISS PBLA24 START 51.811
HIERARCH ESO ISS PBLA24 END 52.489
HIERARCH ESO ISS PBL34 START 53.2
HIERARCH ESO ISS PBL34 END 53.469
HIERARCH ESO ISS PBLA34 START 97.297
HIERARCH ESO ISS PBLA34 END 97.885
HIERARCH ESO ISS AMBI TAU0 START 0.004752
HIERARCH ESO ISS AMBI TAU0 END 0.005276
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.71