Exposure
ID
GRAVI.2025-10-19T06:14:49.175_1
Header ID
GRAVI.2025-10-19T06:14:49.175
Date updated
2025-10-19 06:25:50 UTC+0000
Release date
2026-10-19 06:25:50 UTC+0000
UTC Start
2025-10-19 06:14:49.175
UTC End
2025-10-19 06:17:13.175
MJD Start
60967.26029138
MJD End
60967.26195804666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0137835
Ambient temperature (°C)
15.1
Seeing (arcsec)
0.5349999999999999
Observation
ID
70962
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 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 35.5650 35.7190 125.1000 125.5000
A0-D0 31.9950 31.9980 46.8000 47.4000
A0-G1 78.2170 78.4740 83.1790 83.8260
B5-D0 42.7340 42.7580 352.2000 352.6000
B5-G1 56.9200 56.9790 58.5300 59.1920
D0-G1 55.7980 56.0450 103.0780 103.6440
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 60967.26029138
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 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 35.565
HIERARCH ESO ISS PBL12 END 35.719
HIERARCH ESO ISS PBLA12 START 125.1
HIERARCH ESO ISS PBLA12 END 125.5
HIERARCH ESO ISS PBL13 START 31.995
HIERARCH ESO ISS PBL13 END 31.998
HIERARCH ESO ISS PBLA13 START 46.8
HIERARCH ESO ISS PBLA13 END 47.4
HIERARCH ESO ISS PBL14 START 78.217
HIERARCH ESO ISS PBL14 END 78.474
HIERARCH ESO ISS PBLA14 START 83.179
HIERARCH ESO ISS PBLA14 END 83.826
HIERARCH ESO ISS PBL23 START 42.734
HIERARCH ESO ISS PBL23 END 42.758
HIERARCH ESO ISS PBLA23 START 352.2
HIERARCH ESO ISS PBLA23 END 352.6
HIERARCH ESO ISS PBL24 START 56.92
HIERARCH ESO ISS PBL24 END 56.979
HIERARCH ESO ISS PBLA24 START 58.53
HIERARCH ESO ISS PBLA24 END 59.192
HIERARCH ESO ISS PBL34 START 55.798
HIERARCH ESO ISS PBL34 END 56.045
HIERARCH ESO ISS PBLA34 START 103.078
HIERARCH ESO ISS PBLA34 END 103.644
HIERARCH ESO ISS AMBI TAU0 START 0.012408
HIERARCH ESO ISS AMBI TAU0 END 0.015159
HIERARCH ESO ISS AMBI TEMP 15.1
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.49