Exposure
ID
GRAVI.2025-10-17T06:41:28.056_1
Header ID
GRAVI.2025-10-17T06:41:28.056
Date updated
2025-10-17 06:51:07 UTC+0000
Release date
2026-10-17 06:51:07 UTC+0000
UTC Start
2025-10-17 06:41:28.056
UTC End
2025-10-17 06:43:52.056
MJD Start
60965.27879694
MJD End
60965.280463606665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0052805000000000005
Ambient temperature (°C)
14.88
Seeing (arcsec)
0.6
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 36.5630 36.7070 128.1000 128.5000
A0-D0 32.0030 32.0020 51.0000 51.6000
A0-G1 79.8870 80.1290 87.4530 88.0890
B5-D0 42.8740 42.8900 354.7000 355.1000
B5-G1 57.2980 57.3500 62.9170 63.5730
D0-G1 57.4060 57.6380 106.8190 107.3770
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 60965.27879694
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 36.563
HIERARCH ESO ISS PBL12 END 36.707
HIERARCH ESO ISS PBLA12 START 128.1
HIERARCH ESO ISS PBLA12 END 128.5
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 32.002
HIERARCH ESO ISS PBLA13 START 51.0
HIERARCH ESO ISS PBLA13 END 51.6
HIERARCH ESO ISS PBL14 START 79.887
HIERARCH ESO ISS PBL14 END 80.129
HIERARCH ESO ISS PBLA14 START 87.453
HIERARCH ESO ISS PBLA14 END 88.089
HIERARCH ESO ISS PBL23 START 42.874
HIERARCH ESO ISS PBL23 END 42.89
HIERARCH ESO ISS PBLA23 START 354.7
HIERARCH ESO ISS PBLA23 END 355.1
HIERARCH ESO ISS PBL24 START 57.298
HIERARCH ESO ISS PBL24 END 57.35
HIERARCH ESO ISS PBLA24 START 62.917
HIERARCH ESO ISS PBLA24 END 63.573
HIERARCH ESO ISS PBL34 START 57.406
HIERARCH ESO ISS PBL34 END 57.638
HIERARCH ESO ISS PBLA34 START 106.819
HIERARCH ESO ISS PBLA34 END 107.377
HIERARCH ESO ISS AMBI TAU0 START 0.004837
HIERARCH ESO ISS AMBI TAU0 END 0.005724
HIERARCH ESO ISS AMBI TEMP 14.88
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.58