Exposure
ID
GRAVI.2025-10-17T06:47:46.072_1
Header ID
GRAVI.2025-10-17T06:47:46.072
Date updated
2025-10-17 07:00:39 UTC+0000
Release date
2026-10-17 07:00:39 UTC+0000
UTC Start
2025-10-17 06:47:46.072
UTC End
2025-10-17 06:50:10.072
MJD Start
60965.28317213
MJD End
60965.284838796666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005112
Ambient temperature (°C)
14.84
Seeing (arcsec)
0.585
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 36.8810 37.0200 129.1000 129.5000
A0-D0 32.0000 31.9980 52.4000 53.0000
A0-G1 80.4220 80.6570 88.8640 89.4950
B5-D0 42.9090 42.9220 355.6000 356.0000
B5-G1 57.4130 57.4630 64.3740 65.0260
D0-G1 57.9200 58.1460 108.0580 108.6120
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 60965.28317213
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 36.881
HIERARCH ESO ISS PBL12 END 37.02
HIERARCH ESO ISS PBLA12 START 129.1
HIERARCH ESO ISS PBLA12 END 129.5
HIERARCH ESO ISS PBL13 START 32.0
HIERARCH ESO ISS PBL13 END 31.998
HIERARCH ESO ISS PBLA13 START 52.4
HIERARCH ESO ISS PBLA13 END 53.0
HIERARCH ESO ISS PBL14 START 80.422
HIERARCH ESO ISS PBL14 END 80.657
HIERARCH ESO ISS PBLA14 START 88.864
HIERARCH ESO ISS PBLA14 END 89.495
HIERARCH ESO ISS PBL23 START 42.909
HIERARCH ESO ISS PBL23 END 42.922
HIERARCH ESO ISS PBLA23 START 355.6
HIERARCH ESO ISS PBLA23 END 356.0
HIERARCH ESO ISS PBL24 START 57.413
HIERARCH ESO ISS PBL24 END 57.463
HIERARCH ESO ISS PBLA24 START 64.374
HIERARCH ESO ISS PBLA24 END 65.026
HIERARCH ESO ISS PBL34 START 57.92
HIERARCH ESO ISS PBL34 END 58.146
HIERARCH ESO ISS PBLA34 START 108.058
HIERARCH ESO ISS PBLA34 END 108.612
HIERARCH ESO ISS AMBI TAU0 START 0.004794
HIERARCH ESO ISS AMBI TAU0 END 0.00543
HIERARCH ESO ISS AMBI TEMP 14.84
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.58