Exposure
ID
PIONI.2025-07-21T07:06:05.555_1
Header ID
PIONI.2025-07-21T07:06:05.555
Date updated
2025-07-21 07:15:33 UTC+0000
Release date
2026-07-21 07:15:32 UTC+0000
UTC Start
2025-07-21 07:06:05.555
UTC End
2025-07-21 07:06:31.155
MJD Start
60877.2958976277
MJD End
60877.296193924
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008508
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.43
Observation
ID
68896
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
51259
Name
HIP114855
RA
348.97389
DEC
-9.08783
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 90.0580 90.0790 112.9000 113.0000
A0-J2 125.9540 126.0280 90.6000 90.6000
A0-K0 121.7590 121.8530 68.5600 68.5990
G1-J2 54.7150 54.7550 51.8000 51.9000
G1-K0 85.2230 85.2510 20.8970 20.9680
J2-K0 47.5070 47.5000 344.6010 344.6540
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 60877.2958976277
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP114855
RA 348.97389
DEC -9.08783
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 90.058
HIERARCH ESO ISS PBL12 END 90.079
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 125.954
HIERARCH ESO ISS PBL13 END 126.028
HIERARCH ESO ISS PBLA13 START 90.6
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 121.759
HIERARCH ESO ISS PBL14 END 121.853
HIERARCH ESO ISS PBLA14 START 68.56
HIERARCH ESO ISS PBLA14 END 68.599
HIERARCH ESO ISS PBL23 START 54.715
HIERARCH ESO ISS PBL23 END 54.755
HIERARCH ESO ISS PBLA23 START 51.8
HIERARCH ESO ISS PBLA23 END 51.9
HIERARCH ESO ISS PBL24 START 85.223
HIERARCH ESO ISS PBL24 END 85.251
HIERARCH ESO ISS PBLA24 START 20.897
HIERARCH ESO ISS PBLA24 END 20.968
HIERARCH ESO ISS PBL34 START 47.507
HIERARCH ESO ISS PBL34 END 47.5
HIERARCH ESO ISS PBLA34 START 344.601
HIERARCH ESO ISS PBLA34 END 344.654
HIERARCH ESO ISS AMBI TAU0 START 0.008508
HIERARCH ESO ISS AMBI TAU0 END 0.008508
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43