Exposure
ID
GRAVI.2025-10-27T05:16:10.103_1
Header ID
GRAVI.2025-10-27T05:16:10.103
Date updated
2025-10-27 05:26:20 UTC+0000
Release date
2026-10-27 05:26:20 UTC+0000
UTC Start
2025-10-27 05:16:10.103
UTC End
2025-10-27 05:18:34.103
MJD Start
60975.21956138
MJD End
60975.22122804666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003636
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.8400000000000001
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 75.6370 75.9110 76.8000 77.5000
A0-J2 122.3170 122.5140 56.5000 57.2000
A0-K0 127.7380 127.7660 40.6150 41.2560
G1-J2 57.6780 57.6560 29.5000 30.0000
G1-K0 80.2410 80.2120 6.8190 7.2760
J2-K0 34.9630 35.0660 327.3980 327.7580
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 60975.21956138
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 75.637
HIERARCH ESO ISS PBL12 END 75.911
HIERARCH ESO ISS PBLA12 START 76.8
HIERARCH ESO ISS PBLA12 END 77.5
HIERARCH ESO ISS PBL13 START 122.317
HIERARCH ESO ISS PBL13 END 122.514
HIERARCH ESO ISS PBLA13 START 56.5
HIERARCH ESO ISS PBLA13 END 57.2
HIERARCH ESO ISS PBL14 START 127.738
HIERARCH ESO ISS PBL14 END 127.766
HIERARCH ESO ISS PBLA14 START 40.615
HIERARCH ESO ISS PBLA14 END 41.256
HIERARCH ESO ISS PBL23 START 57.678
HIERARCH ESO ISS PBL23 END 57.656
HIERARCH ESO ISS PBLA23 START 29.5
HIERARCH ESO ISS PBLA23 END 30.0
HIERARCH ESO ISS PBL24 START 80.241
HIERARCH ESO ISS PBL24 END 80.212
HIERARCH ESO ISS PBLA24 START 6.819
HIERARCH ESO ISS PBLA24 END 7.276
HIERARCH ESO ISS PBL34 START 34.963
HIERARCH ESO ISS PBL34 END 35.066
HIERARCH ESO ISS PBLA34 START 327.398
HIERARCH ESO ISS PBLA34 END 327.758
HIERARCH ESO ISS AMBI TAU0 START 0.003525
HIERARCH ESO ISS AMBI TAU0 END 0.003747
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.79