Exposure
ID
GRAVI.2025-10-27T05:22:28.120_1
Header ID
GRAVI.2025-10-27T05:22:28.120
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 05:22:28.120
UTC End
2025-10-27 05:24:52.120
MJD Start
60975.22393657
MJD End
60975.225603236664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003101
Ambient temperature (°C)
12.34
Seeing (arcsec)
1.08
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 76.2520 76.5230 78.3000 79.0000
A0-J2 122.7590 122.9540 58.0000 58.7000
A0-K0 127.8000 127.8250 42.0540 42.6920
G1-J2 57.6260 57.6010 30.8000 31.4000
G1-K0 80.1730 80.1390 7.8460 8.3030
J2-K0 35.1930 35.2930 328.2090 328.5700
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 60975.22393657
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 76.252
HIERARCH ESO ISS PBL12 END 76.523
HIERARCH ESO ISS PBLA12 START 78.3
HIERARCH ESO ISS PBLA12 END 79.0
HIERARCH ESO ISS PBL13 START 122.759
HIERARCH ESO ISS PBL13 END 122.954
HIERARCH ESO ISS PBLA13 START 58.0
HIERARCH ESO ISS PBLA13 END 58.7
HIERARCH ESO ISS PBL14 START 127.8
HIERARCH ESO ISS PBL14 END 127.825
HIERARCH ESO ISS PBLA14 START 42.054
HIERARCH ESO ISS PBLA14 END 42.692
HIERARCH ESO ISS PBL23 START 57.626
HIERARCH ESO ISS PBL23 END 57.601
HIERARCH ESO ISS PBLA23 START 30.8
HIERARCH ESO ISS PBLA23 END 31.4
HIERARCH ESO ISS PBL24 START 80.173
HIERARCH ESO ISS PBL24 END 80.139
HIERARCH ESO ISS PBLA24 START 7.846
HIERARCH ESO ISS PBLA24 END 8.303
HIERARCH ESO ISS PBL34 START 35.193
HIERARCH ESO ISS PBL34 END 35.293
HIERARCH ESO ISS PBLA34 START 328.209
HIERARCH ESO ISS PBLA34 END 328.57
HIERARCH ESO ISS AMBI TAU0 START 0.002945
HIERARCH ESO ISS AMBI TAU0 END 0.003257
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.06