Exposure
ID
GRAVI.2025-10-16T05:54:32.668_1
Header ID
GRAVI.2025-10-16T05:54:32.668
Date updated
2025-10-16 06:05:58 UTC+0000
Release date
2026-10-16 06:05:58 UTC+0000
UTC Start
2025-10-16 05:54:32.668
UTC End
2025-10-16 05:56:56.668
MJD Start
60964.24621144
MJD End
60964.24787810666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.009694
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.51
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 33.6960 33.8690 119.9000 120.4000
A0-D0 31.9300 31.9370 39.5000 40.2000
A0-G1 75.1590 75.4370 75.6190 76.3010
B5-D0 42.3670 42.4060 347.9000 348.3000
B5-G1 56.1880 56.2560 50.8740 51.5570
D0-G1 52.8260 53.0980 96.4880 97.0810
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 60964.24621144
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 33.696
HIERARCH ESO ISS PBL12 END 33.869
HIERARCH ESO ISS PBLA12 START 119.9
HIERARCH ESO ISS PBLA12 END 120.4
HIERARCH ESO ISS PBL13 START 31.93
HIERARCH ESO ISS PBL13 END 31.937
HIERARCH ESO ISS PBLA13 START 39.5
HIERARCH ESO ISS PBLA13 END 40.2
HIERARCH ESO ISS PBL14 START 75.159
HIERARCH ESO ISS PBL14 END 75.437
HIERARCH ESO ISS PBLA14 START 75.619
HIERARCH ESO ISS PBLA14 END 76.301
HIERARCH ESO ISS PBL23 START 42.367
HIERARCH ESO ISS PBL23 END 42.406
HIERARCH ESO ISS PBLA23 START 347.9
HIERARCH ESO ISS PBLA23 END 348.3
HIERARCH ESO ISS PBL24 START 56.188
HIERARCH ESO ISS PBL24 END 56.256
HIERARCH ESO ISS PBLA24 START 50.874
HIERARCH ESO ISS PBLA24 END 51.557
HIERARCH ESO ISS PBL34 START 52.826
HIERARCH ESO ISS PBL34 END 53.098
HIERARCH ESO ISS PBLA34 START 96.488
HIERARCH ESO ISS PBLA34 END 97.081
HIERARCH ESO ISS AMBI TAU0 START 0.009004
HIERARCH ESO ISS AMBI TAU0 END 0.010384
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.49