Exposure
ID
GRAVI.2025-10-16T05:51:26.660_1
Header ID
GRAVI.2025-10-16T05:51:26.660
Date updated
2025-10-16 06:01:20 UTC+0000
Release date
2026-10-16 06:01:20 UTC+0000
UTC Start
2025-10-16 05:51:26.660
UTC End
2025-10-16 05:53:50.660
MJD Start
60964.24405857
MJD End
60964.245725236666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0078245
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.5549999999999999
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 33.5060 33.6810 119.4000 119.9000
A0-D0 31.9210 31.9290 38.8000 39.5000
A0-G1 74.8560 75.1350 74.8770 75.5610
B5-D0 42.3230 42.3630 347.5000 347.9000
B5-G1 56.1140 56.1820 50.1300 50.8160
D0-G1 52.5270 52.8020 95.8410 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 60964.24405857
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 33.506
HIERARCH ESO ISS PBL12 END 33.681
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 74.856
HIERARCH ESO ISS PBL14 END 75.135
HIERARCH ESO ISS PBLA14 START 74.877
HIERARCH ESO ISS PBLA14 END 75.561
HIERARCH ESO ISS PBL23 START 42.323
HIERARCH ESO ISS PBL23 END 42.363
HIERARCH ESO ISS PBLA23 START 347.5
HIERARCH ESO ISS PBLA23 END 347.9
HIERARCH ESO ISS PBL24 START 56.114
HIERARCH ESO ISS PBL24 END 56.182
HIERARCH ESO ISS PBLA24 START 50.13
HIERARCH ESO ISS PBLA24 END 50.816
HIERARCH ESO ISS PBL34 START 52.527
HIERARCH ESO ISS PBL34 END 52.802
HIERARCH ESO ISS PBLA34 START 95.841
HIERARCH ESO ISS PBLA34 END 96.437
HIERARCH ESO ISS AMBI TAU0 START 0.006645
HIERARCH ESO ISS AMBI TAU0 END 0.009004
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.53