Exposure
ID
GRAVI.2025-10-27T05:25:31.127_1
Header ID
GRAVI.2025-10-27T05:25:31.127
Date updated
2025-10-27 05:35:52 UTC+0000
Release date
2026-10-27 05:35:51 UTC+0000
UTC Start
2025-10-27 05:25:31.127
UTC End
2025-10-27 05:27:55.127
MJD Start
60975.22605471
MJD End
60975.227721376665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0029765
Ambient temperature (°C)
12.48
Seeing (arcsec)
1.06
Observation
ID
71012
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.5470 76.8160 79.0000 79.7000
A0-J2 122.9710 123.1640 58.8000 59.5000
A0-K0 127.8270 127.8510 42.7490 43.3850
G1-J2 57.5990 57.5730 31.4000 32.0000
G1-K0 80.1360 80.1010 8.3430 8.8000
J2-K0 35.3020 35.4010 328.6020 328.9640
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 60975.22605471
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 76.547
HIERARCH ESO ISS PBL12 END 76.816
HIERARCH ESO ISS PBLA12 START 79.0
HIERARCH ESO ISS PBLA12 END 79.7
HIERARCH ESO ISS PBL13 START 122.971
HIERARCH ESO ISS PBL13 END 123.164
HIERARCH ESO ISS PBLA13 START 58.8
HIERARCH ESO ISS PBLA13 END 59.5
HIERARCH ESO ISS PBL14 START 127.827
HIERARCH ESO ISS PBL14 END 127.851
HIERARCH ESO ISS PBLA14 START 42.749
HIERARCH ESO ISS PBLA14 END 43.385
HIERARCH ESO ISS PBL23 START 57.599
HIERARCH ESO ISS PBL23 END 57.573
HIERARCH ESO ISS PBLA23 START 31.4
HIERARCH ESO ISS PBLA23 END 32.0
HIERARCH ESO ISS PBL24 START 80.136
HIERARCH ESO ISS PBL24 END 80.101
HIERARCH ESO ISS PBLA24 START 8.343
HIERARCH ESO ISS PBLA24 END 8.8
HIERARCH ESO ISS PBL34 START 35.302
HIERARCH ESO ISS PBL34 END 35.401
HIERARCH ESO ISS PBLA34 START 328.602
HIERARCH ESO ISS PBLA34 END 328.964
HIERARCH ESO ISS AMBI TAU0 START 0.003257
HIERARCH ESO ISS AMBI TAU0 END 0.002696
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.06