Exposure
ID
PIONI.2025-04-29T05:21:56.690_1
Header ID
PIONI.2025-04-29T05:21:56.690
Date updated
2025-04-29 05:25:41 UTC+0000
Release date
2026-04-29 05:25:40 UTC+0000
UTC Start
2025-04-29 05:21:56.690
UTC End
2025-04-29 05:22:35.090
MJD Start
60794.2235728018
MJD End
60794.22401724624
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0049125
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.455
Observation
ID
67040
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
49848
Name
HIP78685
RA
240.939048
DEC
4.98692
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.5080 90.5080 113.6000 113.6000
A0-J2 126.2770 126.3740 93.7000 93.7000
A0-K0 118.3660 118.5310 73.4160 73.4200
G1-J2 51.4110 51.4920 56.9000 57.0000
G1-K0 76.3780 76.4470 23.5360 23.6340
J2-K0 43.8000 43.7790 343.3180 343.3920
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 60794.2235728018
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP78685
RA 240.939048
DEC 4.98692
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.508
HIERARCH ESO ISS PBL12 END 90.508
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 126.277
HIERARCH ESO ISS PBL13 END 126.374
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 118.366
HIERARCH ESO ISS PBL14 END 118.531
HIERARCH ESO ISS PBLA14 START 73.416
HIERARCH ESO ISS PBLA14 END 73.42
HIERARCH ESO ISS PBL23 START 51.411
HIERARCH ESO ISS PBL23 END 51.492
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 57.0
HIERARCH ESO ISS PBL24 START 76.378
HIERARCH ESO ISS PBL24 END 76.447
HIERARCH ESO ISS PBLA24 START 23.536
HIERARCH ESO ISS PBLA24 END 23.634
HIERARCH ESO ISS PBL34 START 43.8
HIERARCH ESO ISS PBL34 END 43.779
HIERARCH ESO ISS PBLA34 START 343.318
HIERARCH ESO ISS PBLA34 END 343.392
HIERARCH ESO ISS AMBI TAU0 START 0.004962
HIERARCH ESO ISS AMBI TAU0 END 0.004863
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.45