Exposure
ID
PIONI.2025-03-27T01:13:25.895_1
Header ID
PIONI.2025-03-27T01:13:25.895
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 01:13:25.895
UTC End
2025-03-27 01:13:51.495
MJD Start
60761.0509941531
MJD End
60761.051290449395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002688
Ambient temperature (°C)
12.94
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 51.6930 51.5930 291.4000 291.5000
K0-D0 74.1220 73.9770 264.5000 264.5000
K0-J3 54.6630 54.6610 356.2000 356.2880
G2-D0 36.5320 36.5050 224.6000 224.6000
G2-J3 57.0150 56.9590 51.3020 51.3090
D0-J3 93.3960 93.3130 48.6980 48.7050
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 60761.0509941531
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 51.693
HIERARCH ESO ISS PBL12 END 51.593
HIERARCH ESO ISS PBLA12 START 291.4
HIERARCH ESO ISS PBLA12 END 291.5
HIERARCH ESO ISS PBL13 START 74.122
HIERARCH ESO ISS PBL13 END 73.977
HIERARCH ESO ISS PBLA13 START 264.5
HIERARCH ESO ISS PBLA13 END 264.5
HIERARCH ESO ISS PBL14 START 54.663
HIERARCH ESO ISS PBL14 END 54.661
HIERARCH ESO ISS PBLA14 START 356.2
HIERARCH ESO ISS PBLA14 END 356.288
HIERARCH ESO ISS PBL23 START 36.532
HIERARCH ESO ISS PBL23 END 36.505
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.6
HIERARCH ESO ISS PBL24 START 57.015
HIERARCH ESO ISS PBL24 END 56.959
HIERARCH ESO ISS PBLA24 START 51.302
HIERARCH ESO ISS PBLA24 END 51.309
HIERARCH ESO ISS PBL34 START 93.396
HIERARCH ESO ISS PBL34 END 93.313
HIERARCH ESO ISS PBLA34 START 48.698
HIERARCH ESO ISS PBLA34 END 48.705
HIERARCH ESO ISS AMBI TAU0 START 0.002688
HIERARCH ESO ISS AMBI TAU0 END 0.002688
HIERARCH ESO ISS AMBI TEMP 12.94
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86