Exposure
ID
GRAVI.2025-10-16T06:00:56.685_1
Header ID
GRAVI.2025-10-16T06:00:56.685
Date updated
2025-10-16 06:11:50 UTC+0000
Release date
2026-10-16 06:11:50 UTC+0000
UTC Start
2025-10-16 06:00:56.685
UTC End
2025-10-16 06:03:20.685
MJD Start
60964.25065608
MJD End
60964.252322746666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.009898500000000001
Ambient temperature (°C)
13.67
Seeing (arcsec)
0.43
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 34.0860 34.2560 120.9000 121.4000
A0-D0 31.9470 31.9540 41.0000 41.6000
A0-G1 75.7870 76.0630 77.1570 77.8320
B5-D0 42.4530 42.4890 348.7000 349.1000
B5-G1 56.3410 56.4080 52.4190 53.0990
D0-G1 53.4410 53.7100 97.8260 98.4150
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 60964.25065608
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 34.086
HIERARCH ESO ISS PBL12 END 34.256
HIERARCH ESO ISS PBLA12 START 120.9
HIERARCH ESO ISS PBLA12 END 121.4
HIERARCH ESO ISS PBL13 START 31.947
HIERARCH ESO ISS PBL13 END 31.954
HIERARCH ESO ISS PBLA13 START 41.0
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 75.787
HIERARCH ESO ISS PBL14 END 76.063
HIERARCH ESO ISS PBLA14 START 77.157
HIERARCH ESO ISS PBLA14 END 77.832
HIERARCH ESO ISS PBL23 START 42.453
HIERARCH ESO ISS PBL23 END 42.489
HIERARCH ESO ISS PBLA23 START 348.7
HIERARCH ESO ISS PBLA23 END 349.1
HIERARCH ESO ISS PBL24 START 56.341
HIERARCH ESO ISS PBL24 END 56.408
HIERARCH ESO ISS PBLA24 START 52.419
HIERARCH ESO ISS PBLA24 END 53.099
HIERARCH ESO ISS PBL34 START 53.441
HIERARCH ESO ISS PBL34 END 53.71
HIERARCH ESO ISS PBLA34 START 97.826
HIERARCH ESO ISS PBLA34 END 98.415
HIERARCH ESO ISS AMBI TAU0 START 0.009587
HIERARCH ESO ISS AMBI TAU0 END 0.01021
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.44