Exposure
ID
GRAVI.2025-10-20T06:34:24.204_1
Header ID
GRAVI.2025-10-20T06:34:24.204
Date updated
2025-10-20 06:45:53 UTC+0000
Release date
2026-10-20 06:45:53 UTC+0000
UTC Start
2025-10-20 06:34:24.204
UTC End
2025-10-20 06:36:48.204
MJD Start
60968.27389125
MJD End
60968.27555791666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.017716000000000003
Ambient temperature (°C)
15.5
Seeing (arcsec)
0.5349999999999999
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 36.8020 36.9430 128.8000 129.3000
A0-D0 32.0010 31.9990 52.0000 52.6000
A0-G1 80.2900 80.5270 88.5160 89.1500
B5-D0 42.9010 42.9150 355.4000 355.8000
B5-G1 57.3850 57.4350 64.0140 64.6690
D0-G1 57.7930 58.0210 107.7510 108.3090
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 60968.27389125
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 36.802
HIERARCH ESO ISS PBL12 END 36.943
HIERARCH ESO ISS PBLA12 START 128.8
HIERARCH ESO ISS PBLA12 END 129.3
HIERARCH ESO ISS PBL13 START 32.001
HIERARCH ESO ISS PBL13 END 31.999
HIERARCH ESO ISS PBLA13 START 52.0
HIERARCH ESO ISS PBLA13 END 52.6
HIERARCH ESO ISS PBL14 START 80.29
HIERARCH ESO ISS PBL14 END 80.527
HIERARCH ESO ISS PBLA14 START 88.516
HIERARCH ESO ISS PBLA14 END 89.15
HIERARCH ESO ISS PBL23 START 42.901
HIERARCH ESO ISS PBL23 END 42.915
HIERARCH ESO ISS PBLA23 START 355.4
HIERARCH ESO ISS PBLA23 END 355.8
HIERARCH ESO ISS PBL24 START 57.385
HIERARCH ESO ISS PBL24 END 57.435
HIERARCH ESO ISS PBLA24 START 64.014
HIERARCH ESO ISS PBLA24 END 64.669
HIERARCH ESO ISS PBL34 START 57.793
HIERARCH ESO ISS PBL34 END 58.021
HIERARCH ESO ISS PBLA34 START 107.751
HIERARCH ESO ISS PBLA34 END 108.309
HIERARCH ESO ISS AMBI TAU0 START 0.018738
HIERARCH ESO ISS AMBI TAU0 END 0.016694
HIERARCH ESO ISS AMBI TEMP 15.5
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.5