Exposure
ID
GRAVI.2025-10-17T06:32:01.031_1
Header ID
GRAVI.2025-10-17T06:32:01.031
Date updated
2025-10-17 06:40:45 UTC+0000
Release date
2026-10-17 06:40:45 UTC+0000
UTC Start
2025-10-17 06:32:01.031
UTC End
2025-10-17 06:34:25.031
MJD Start
60965.27223416
MJD End
60965.273900826665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005195
Ambient temperature (°C)
14.94
Seeing (arcsec)
0.625
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 36.0710 36.2200 126.5000 127.0000
A0-D0 32.0020 32.0030 48.9000 49.5000
A0-G1 79.0610 79.3120 85.3180 85.9620
B5-D0 42.8100 42.8310 353.5000 353.8000
B5-G1 57.1140 57.1700 60.7220 61.3830
D0-G1 56.6110 56.8520 104.9490 105.5120
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 60965.27223416
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 36.071
HIERARCH ESO ISS PBL12 END 36.22
HIERARCH ESO ISS PBLA12 START 126.5
HIERARCH ESO ISS PBLA12 END 127.0
HIERARCH ESO ISS PBL13 START 32.002
HIERARCH ESO ISS PBL13 END 32.003
HIERARCH ESO ISS PBLA13 START 48.9
HIERARCH ESO ISS PBLA13 END 49.5
HIERARCH ESO ISS PBL14 START 79.061
HIERARCH ESO ISS PBL14 END 79.312
HIERARCH ESO ISS PBLA14 START 85.318
HIERARCH ESO ISS PBLA14 END 85.962
HIERARCH ESO ISS PBL23 START 42.81
HIERARCH ESO ISS PBL23 END 42.831
HIERARCH ESO ISS PBLA23 START 353.5
HIERARCH ESO ISS PBLA23 END 353.8
HIERARCH ESO ISS PBL24 START 57.114
HIERARCH ESO ISS PBL24 END 57.17
HIERARCH ESO ISS PBLA24 START 60.722
HIERARCH ESO ISS PBLA24 END 61.383
HIERARCH ESO ISS PBL34 START 56.611
HIERARCH ESO ISS PBL34 END 56.852
HIERARCH ESO ISS PBLA34 START 104.949
HIERARCH ESO ISS PBLA34 END 105.512
HIERARCH ESO ISS AMBI TAU0 START 0.00529
HIERARCH ESO ISS AMBI TAU0 END 0.0051
HIERARCH ESO ISS AMBI TEMP 14.94
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.64