Exposure
ID
PIONI.2025-03-29T00:32:31.423_1
Header ID
PIONI.2025-03-29T00:32:31.423
Date updated
2025-03-29 00:40:59 UTC+0000
Release date
2026-03-29 00:40:59 UTC+0000
UTC Start
2025-03-29 00:32:31.423
UTC End
2025-03-29 00:32:57.023
MJD Start
60763.0225859107
MJD End
60763.022882207
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006926
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.77
Observation
ID
65933
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
49080
Name
HIP42911
RA
131.171137
DEC
18.15303
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 68.0090 68.0260 273.4000 273.3000
K0-D0 90.5650 90.6420 257.6000 257.5000
K0-J3 47.3510 47.3050 323.5020 323.5300
G2-D0 31.2230 31.2640 221.2000 221.2000
G2-J3 52.3210 52.3930 49.4030 49.4240
D0-J3 83.3420 83.4550 46.3280 46.3550
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 60763.0225859107
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP42911
RA 131.171137
DEC 18.15303
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 68.009
HIERARCH ESO ISS PBL12 END 68.026
HIERARCH ESO ISS PBLA12 START 273.4
HIERARCH ESO ISS PBLA12 END 273.3
HIERARCH ESO ISS PBL13 START 90.565
HIERARCH ESO ISS PBL13 END 90.642
HIERARCH ESO ISS PBLA13 START 257.6
HIERARCH ESO ISS PBLA13 END 257.5
HIERARCH ESO ISS PBL14 START 47.351
HIERARCH ESO ISS PBL14 END 47.305
HIERARCH ESO ISS PBLA14 START 323.502
HIERARCH ESO ISS PBLA14 END 323.53
HIERARCH ESO ISS PBL23 START 31.223
HIERARCH ESO ISS PBL23 END 31.264
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.2
HIERARCH ESO ISS PBL24 START 52.321
HIERARCH ESO ISS PBL24 END 52.393
HIERARCH ESO ISS PBLA24 START 49.403
HIERARCH ESO ISS PBLA24 END 49.424
HIERARCH ESO ISS PBL34 START 83.342
HIERARCH ESO ISS PBL34 END 83.455
HIERARCH ESO ISS PBLA34 START 46.328
HIERARCH ESO ISS PBLA34 END 46.355
HIERARCH ESO ISS AMBI TAU0 START 0.006926
HIERARCH ESO ISS AMBI TAU0 END 0.006926
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77