Exposure
ID
PIONI.2025-03-27T01:15:55.917_1
Header ID
PIONI.2025-03-27T01:15:55.917
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 01:15:55.917
UTC End
2025-03-27 01:16:21.517
MJD Start
60761.0527305184
MJD End
60761.0530268147
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002688
Ambient temperature (°C)
12.95
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 51.2660 51.1660 291.8000 291.9000
K0-D0 73.4980 73.3510 264.7000 264.7000
K0-J3 54.6530 54.6510 356.5790 356.6670
G2-D0 36.4150 36.3870 224.7000 224.7000
G2-J3 56.7720 56.7150 51.3300 51.3360
D0-J3 93.0370 92.9520 48.7270 48.7340
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 60761.0527305184
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 51.266
HIERARCH ESO ISS PBL12 END 51.166
HIERARCH ESO ISS PBLA12 START 291.8
HIERARCH ESO ISS PBLA12 END 291.9
HIERARCH ESO ISS PBL13 START 73.498
HIERARCH ESO ISS PBL13 END 73.351
HIERARCH ESO ISS PBLA13 START 264.7
HIERARCH ESO ISS PBLA13 END 264.7
HIERARCH ESO ISS PBL14 START 54.653
HIERARCH ESO ISS PBL14 END 54.651
HIERARCH ESO ISS PBLA14 START 356.579
HIERARCH ESO ISS PBLA14 END 356.667
HIERARCH ESO ISS PBL23 START 36.415
HIERARCH ESO ISS PBL23 END 36.387
HIERARCH ESO ISS PBLA23 START 224.7
HIERARCH ESO ISS PBLA23 END 224.7
HIERARCH ESO ISS PBL24 START 56.772
HIERARCH ESO ISS PBL24 END 56.715
HIERARCH ESO ISS PBLA24 START 51.33
HIERARCH ESO ISS PBLA24 END 51.336
HIERARCH ESO ISS PBL34 START 93.037
HIERARCH ESO ISS PBL34 END 92.952
HIERARCH ESO ISS PBLA34 START 48.727
HIERARCH ESO ISS PBLA34 END 48.734
HIERARCH ESO ISS AMBI TAU0 START 0.002688
HIERARCH ESO ISS AMBI TAU0 END 0.002688
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86