Exposure
ID
GRAVI.2025-10-19T06:17:55.183_1
Header ID
GRAVI.2025-10-19T06:17:55.183
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 06:17:55.183
UTC End
2025-10-19 06:20:19.183
MJD Start
60967.26244425
MJD End
60967.264110916665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.014467
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.475
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 35.7340 35.8870 125.6000 126.0000
A0-D0 31.9980 32.0000 47.5000 48.1000
A0-G1 78.4990 78.7530 83.8910 84.5350
B5-D0 42.7610 42.7840 352.6000 353.0000
B5-G1 56.9850 57.0440 59.2580 59.9190
D0-G1 56.0700 56.3150 103.7010 104.2640
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 60967.26244425
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 35.734
HIERARCH ESO ISS PBL12 END 35.887
HIERARCH ESO ISS PBLA12 START 125.6
HIERARCH ESO ISS PBLA12 END 126.0
HIERARCH ESO ISS PBL13 START 31.998
HIERARCH ESO ISS PBL13 END 32.0
HIERARCH ESO ISS PBLA13 START 47.5
HIERARCH ESO ISS PBLA13 END 48.1
HIERARCH ESO ISS PBL14 START 78.499
HIERARCH ESO ISS PBL14 END 78.753
HIERARCH ESO ISS PBLA14 START 83.891
HIERARCH ESO ISS PBLA14 END 84.535
HIERARCH ESO ISS PBL23 START 42.761
HIERARCH ESO ISS PBL23 END 42.784
HIERARCH ESO ISS PBLA23 START 352.6
HIERARCH ESO ISS PBLA23 END 353.0
HIERARCH ESO ISS PBL24 START 56.985
HIERARCH ESO ISS PBL24 END 57.044
HIERARCH ESO ISS PBLA24 START 59.258
HIERARCH ESO ISS PBLA24 END 59.919
HIERARCH ESO ISS PBL34 START 56.07
HIERARCH ESO ISS PBL34 END 56.315
HIERARCH ESO ISS PBLA34 START 103.701
HIERARCH ESO ISS PBLA34 END 104.264
HIERARCH ESO ISS AMBI TAU0 START 0.015159
HIERARCH ESO ISS AMBI TAU0 END 0.013775
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.46