Exposure
ID
PIONI.2025-03-24T08:08:33.255_1
Header ID
PIONI.2025-03-24T08:08:33.255
Date updated
2025-03-24 08:15:44 UTC+0000
Release date
2026-03-24 08:15:43 UTC+0000
UTC Start
2025-03-24 08:08:33.254
UTC End
2025-03-24 08:08:58.854
MJD Start
60758.3392737787
MJD End
60758.339570075
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003469
Ambient temperature (°C)
12.99
Seeing (arcsec)
0.81
Observation
ID
65865
Category
science
Program ID
115.285P.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
49023
Name
HIP70306
RA
215.771519
DEC
-27.75467
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.5200 88.4840 125.0000 125.1000
A0-J2 124.6500 124.5720 101.4000 101.5000
A0-K0 122.9560 122.8750 78.7350 78.7980
G1-J2 56.1950 56.1640 62.2000 62.2000
G1-K0 88.9400 88.9190 32.7350 32.7840
J2-K0 48.6300 48.6300 358.0980 358.1640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60758.3392737787
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP70306
RA 215.771519
DEC -27.75467
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
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
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.52
HIERARCH ESO ISS PBL12 END 88.484
HIERARCH ESO ISS PBLA12 START 125.0
HIERARCH ESO ISS PBLA12 END 125.1
HIERARCH ESO ISS PBL13 START 124.65
HIERARCH ESO ISS PBL13 END 124.572
HIERARCH ESO ISS PBLA13 START 101.4
HIERARCH ESO ISS PBLA13 END 101.5
HIERARCH ESO ISS PBL14 START 122.956
HIERARCH ESO ISS PBL14 END 122.875
HIERARCH ESO ISS PBLA14 START 78.735
HIERARCH ESO ISS PBLA14 END 78.798
HIERARCH ESO ISS PBL23 START 56.195
HIERARCH ESO ISS PBL23 END 56.164
HIERARCH ESO ISS PBLA23 START 62.2
HIERARCH ESO ISS PBLA23 END 62.2
HIERARCH ESO ISS PBL24 START 88.94
HIERARCH ESO ISS PBL24 END 88.919
HIERARCH ESO ISS PBLA24 START 32.735
HIERARCH ESO ISS PBLA24 END 32.784
HIERARCH ESO ISS PBL34 START 48.63
HIERARCH ESO ISS PBL34 END 48.63
HIERARCH ESO ISS PBLA34 START 358.098
HIERARCH ESO ISS PBLA34 END 358.164
HIERARCH ESO ISS AMBI TAU0 START 0.003469
HIERARCH ESO ISS AMBI TAU0 END 0.003469
HIERARCH ESO ISS AMBI TEMP 12.99
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81