Exposure
ID
PIONI.2025-03-24T08:52:35.002_1
Header ID
PIONI.2025-03-24T08:52:35.002
Date updated
2025-03-24 09:00:45 UTC+0000
Release date
2026-03-24 09:00:45 UTC+0000
UTC Start
2025-03-24 08:52:35.002
UTC End
2025-03-24 08:53:00.602
MJD Start
60758.3698495608
MJD End
60758.370145857094
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002612
Ambient temperature (°C)
12.56
Seeing (arcsec)
1.03
Observation
ID
65870
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
49028
Name
HIP78685
RA
240.939049
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 87.1030 87.0430 113.1000 113.1000
A0-J2 128.7540 128.7240 92.2000 92.1000
A0-K0 127.3230 127.3550 73.1760 73.1680
G1-J2 56.6560 56.6860 58.9000 58.9000
G1-K0 82.3220 82.3720 30.4530 30.4990
J2-K0 42.2540 42.2440 350.7490 350.8210
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 60758.3698495608
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP78685
RA 240.939049
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.103
HIERARCH ESO ISS PBL12 END 87.043
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 128.754
HIERARCH ESO ISS PBL13 END 128.724
HIERARCH ESO ISS PBLA13 START 92.2
HIERARCH ESO ISS PBLA13 END 92.1
HIERARCH ESO ISS PBL14 START 127.323
HIERARCH ESO ISS PBL14 END 127.355
HIERARCH ESO ISS PBLA14 START 73.176
HIERARCH ESO ISS PBLA14 END 73.168
HIERARCH ESO ISS PBL23 START 56.656
HIERARCH ESO ISS PBL23 END 56.686
HIERARCH ESO ISS PBLA23 START 58.9
HIERARCH ESO ISS PBLA23 END 58.9
HIERARCH ESO ISS PBL24 START 82.322
HIERARCH ESO ISS PBL24 END 82.372
HIERARCH ESO ISS PBLA24 START 30.453
HIERARCH ESO ISS PBLA24 END 30.499
HIERARCH ESO ISS PBL34 START 42.254
HIERARCH ESO ISS PBL34 END 42.244
HIERARCH ESO ISS PBLA34 START 350.749
HIERARCH ESO ISS PBLA34 END 350.821
HIERARCH ESO ISS AMBI TAU0 START 0.002612
HIERARCH ESO ISS AMBI TAU0 END 0.002612
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 1.03
HIERARCH ESO ISS AMBI FWHM END 1.03