Exposure
ID
PIONI.2025-03-29T00:46:01.136_1
Header ID
PIONI.2025-03-29T00:46:01.136
Date updated
2025-03-29 00:55:43 UTC+0000
Release date
2026-03-29 00:55:42 UTC+0000
UTC Start
2025-03-29 00:46:01.136
UTC End
2025-03-29 00:46:26.736
MJD Start
60763.0319575923
MJD End
60763.032253888596
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006574
Ambient temperature (°C)
14.44
Seeing (arcsec)
0.665
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 68.2830 68.2900 272.3000 272.3000
K0-D0 92.1680 92.2310 256.8000 256.7000
K0-J3 46.3010 46.2550 324.2130 324.2500
G2-D0 32.1320 32.1700 222.0000 222.0000
G2-J3 53.8860 53.9520 49.7920 49.8090
D0-J3 85.8310 85.9360 46.8730 46.8960
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 60763.0319575923
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 68.283
HIERARCH ESO ISS PBL12 END 68.29
HIERARCH ESO ISS PBLA12 START 272.3
HIERARCH ESO ISS PBLA12 END 272.3
HIERARCH ESO ISS PBL13 START 92.168
HIERARCH ESO ISS PBL13 END 92.231
HIERARCH ESO ISS PBLA13 START 256.8
HIERARCH ESO ISS PBLA13 END 256.7
HIERARCH ESO ISS PBL14 START 46.301
HIERARCH ESO ISS PBL14 END 46.255
HIERARCH ESO ISS PBLA14 START 324.213
HIERARCH ESO ISS PBLA14 END 324.25
HIERARCH ESO ISS PBL23 START 32.132
HIERARCH ESO ISS PBL23 END 32.17
HIERARCH ESO ISS PBLA23 START 222.0
HIERARCH ESO ISS PBLA23 END 222.0
HIERARCH ESO ISS PBL24 START 53.886
HIERARCH ESO ISS PBL24 END 53.952
HIERARCH ESO ISS PBLA24 START 49.792
HIERARCH ESO ISS PBLA24 END 49.809
HIERARCH ESO ISS PBL34 START 85.831
HIERARCH ESO ISS PBL34 END 85.936
HIERARCH ESO ISS PBLA34 START 46.873
HIERARCH ESO ISS PBLA34 END 46.896
HIERARCH ESO ISS AMBI TAU0 START 0.006603
HIERARCH ESO ISS AMBI TAU0 END 0.006545
HIERARCH ESO ISS AMBI TEMP 14.44
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.64