Exposure
ID
PIONI.2025-03-27T01:14:40.721_1
Header ID
PIONI.2025-03-27T01:14:40.721
Date updated
2025-03-27 01:20:55 UTC+0000
Release date
2026-03-27 01:20:55 UTC+0000
UTC Start
2025-03-27 01:14:40.721
UTC End
2025-03-27 01:15:06.321
MJD Start
60761.0518602007
MJD End
60761.052156497
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002688
Ambient temperature (°C)
12.86
Seeing (arcsec)
0.86
Observation
ID
65901
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
49054
Name
HIP27654
RA
87.831775
DEC
-20.88272
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 51.4820 51.3800 291.6000 291.7000
K0-D0 73.8150 73.6650 264.6000 264.6000
K0-J3 54.6580 54.6560 356.3870 356.4780
G2-D0 36.4750 36.4460 224.6000 224.7000
G2-J3 56.8960 56.8370 51.3160 51.3230
D0-J3 93.2200 93.1330 48.7130 48.7200
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 60761.0518602007
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP27654
RA 87.831775
DEC -20.88272
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 51.482
HIERARCH ESO ISS PBL12 END 51.38
HIERARCH ESO ISS PBLA12 START 291.6
HIERARCH ESO ISS PBLA12 END 291.7
HIERARCH ESO ISS PBL13 START 73.815
HIERARCH ESO ISS PBL13 END 73.665
HIERARCH ESO ISS PBLA13 START 264.6
HIERARCH ESO ISS PBLA13 END 264.6
HIERARCH ESO ISS PBL14 START 54.658
HIERARCH ESO ISS PBL14 END 54.656
HIERARCH ESO ISS PBLA14 START 356.387
HIERARCH ESO ISS PBLA14 END 356.478
HIERARCH ESO ISS PBL23 START 36.475
HIERARCH ESO ISS PBL23 END 36.446
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.7
HIERARCH ESO ISS PBL24 START 56.896
HIERARCH ESO ISS PBL24 END 56.837
HIERARCH ESO ISS PBLA24 START 51.316
HIERARCH ESO ISS PBLA24 END 51.323
HIERARCH ESO ISS PBL34 START 93.22
HIERARCH ESO ISS PBL34 END 93.133
HIERARCH ESO ISS PBLA34 START 48.713
HIERARCH ESO ISS PBLA34 END 48.72
HIERARCH ESO ISS AMBI TAU0 START 0.002688
HIERARCH ESO ISS AMBI TAU0 END 0.002688
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86