Exposure
ID
GRAVI.2025-11-24T03:02:21.858_1
Header ID
GRAVI.2025-11-24T03:02:21.858
Date updated
2025-11-24 03:10:51 UTC+0000
Release date
2026-11-24 03:10:51 UTC+0000
UTC Start
2025-11-24 03:02:21.858
UTC End
2025-11-24 03:04:45.858
MJD Start
61003.12664187
MJD End
61003.12830853667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003644
Ambient temperature (°C)
14.26
Seeing (arcsec)
0.77
Observation
ID
71844
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
53335
Name
bet_Dor
RA
83.401495
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 32.4970 32.6810 116.8000 117.3000
A0-D0 31.8710 31.8800 35.2000 35.8000
A0-G1 73.2670 73.5540 70.9810 71.6860
B5-D0 42.0720 42.1190 345.4000 345.7000
B5-G1 55.7280 55.7970 46.2580 46.9560
D0-G1 50.9520 51.2380 92.4480 93.0620
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 61003.12664187
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Dor
HIERARCH ESO INS SOBJ NAME bet_Dor
RA 83.401495
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 32.497
HIERARCH ESO ISS PBL12 END 32.681
HIERARCH ESO ISS PBLA12 START 116.8
HIERARCH ESO ISS PBLA12 END 117.3
HIERARCH ESO ISS PBL13 START 31.871
HIERARCH ESO ISS PBL13 END 31.88
HIERARCH ESO ISS PBLA13 START 35.2
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 73.267
HIERARCH ESO ISS PBL14 END 73.554
HIERARCH ESO ISS PBLA14 START 70.981
HIERARCH ESO ISS PBLA14 END 71.686
HIERARCH ESO ISS PBL23 START 42.072
HIERARCH ESO ISS PBL23 END 42.119
HIERARCH ESO ISS PBLA23 START 345.4
HIERARCH ESO ISS PBLA23 END 345.7
HIERARCH ESO ISS PBL24 START 55.728
HIERARCH ESO ISS PBL24 END 55.797
HIERARCH ESO ISS PBLA24 START 46.258
HIERARCH ESO ISS PBLA24 END 46.956
HIERARCH ESO ISS PBL34 START 50.952
HIERARCH ESO ISS PBL34 END 51.238
HIERARCH ESO ISS PBLA34 START 92.448
HIERARCH ESO ISS PBLA34 END 93.062
HIERARCH ESO ISS AMBI TAU0 START 0.003628
HIERARCH ESO ISS AMBI TAU0 END 0.00366
HIERARCH ESO ISS AMBI TEMP 14.26
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77