Exposure
ID
GRAVI.2025-11-24T03:11:48.881_1
Header ID
GRAVI.2025-11-24T03:11:48.881
Date updated
2025-11-24 03:21:01 UTC+0000
Release date
2026-11-24 03:21:01 UTC+0000
UTC Start
2025-11-24 03:11:48.881
UTC End
2025-11-24 03:14:12.881
MJD Start
61003.13320464
MJD End
61003.13487130666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0034265
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.845
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 33.1070 33.2850 118.4000 118.8000
A0-D0 31.9020 31.9100 37.4000 38.0000
A0-G1 74.2240 74.5060 73.3290 74.0170
B5-D0 42.2260 42.2690 346.6000 347.0000
B5-G1 55.9610 56.0300 48.5880 49.2720
D0-G1 51.9030 52.1820 94.4930 95.0910
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 61003.13320464
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 33.107
HIERARCH ESO ISS PBL12 END 33.285
HIERARCH ESO ISS PBLA12 START 118.4
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 31.902
HIERARCH ESO ISS PBL13 END 31.91
HIERARCH ESO ISS PBLA13 START 37.4
HIERARCH ESO ISS PBLA13 END 38.0
HIERARCH ESO ISS PBL14 START 74.224
HIERARCH ESO ISS PBL14 END 74.506
HIERARCH ESO ISS PBLA14 START 73.329
HIERARCH ESO ISS PBLA14 END 74.017
HIERARCH ESO ISS PBL23 START 42.226
HIERARCH ESO ISS PBL23 END 42.269
HIERARCH ESO ISS PBLA23 START 346.6
HIERARCH ESO ISS PBLA23 END 347.0
HIERARCH ESO ISS PBL24 START 55.961
HIERARCH ESO ISS PBL24 END 56.03
HIERARCH ESO ISS PBLA24 START 48.588
HIERARCH ESO ISS PBLA24 END 49.272
HIERARCH ESO ISS PBL34 START 51.903
HIERARCH ESO ISS PBL34 END 52.182
HIERARCH ESO ISS PBLA34 START 94.493
HIERARCH ESO ISS PBLA34 END 95.091
HIERARCH ESO ISS AMBI TAU0 START 0.003253
HIERARCH ESO ISS AMBI TAU0 END 0.0036
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.82