Exposure
ID
PIONI.2025-03-24T08:37:38.013_1
Header ID
PIONI.2025-03-24T08:37:38.013
Date updated
2025-03-24 08:45:49 UTC+0000
Release date
2026-03-24 08:45:49 UTC+0000
UTC Start
2025-03-24 08:37:38.013
UTC End
2025-03-24 08:38:03.613
MJD Start
60758.359467742
MJD End
60758.359764038294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002773
Ambient temperature (°C)
12.8
Seeing (arcsec)
1.08
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 88.4200 88.3730 113.0000 113.0000
A0-J2 129.2060 129.1990 92.5000 92.5000
A0-K0 126.2670 126.3190 73.3530 73.3470
G1-J2 55.8190 55.8560 58.7000 58.7000
G1-K0 81.0620 81.1130 29.2310 29.2830
J2-K0 42.5280 42.5160 349.0000 349.0690
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 60758.359467742
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 88.42
HIERARCH ESO ISS PBL12 END 88.373
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 129.206
HIERARCH ESO ISS PBL13 END 129.199
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.267
HIERARCH ESO ISS PBL14 END 126.319
HIERARCH ESO ISS PBLA14 START 73.353
HIERARCH ESO ISS PBLA14 END 73.347
HIERARCH ESO ISS PBL23 START 55.819
HIERARCH ESO ISS PBL23 END 55.856
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 81.062
HIERARCH ESO ISS PBL24 END 81.113
HIERARCH ESO ISS PBLA24 START 29.231
HIERARCH ESO ISS PBLA24 END 29.283
HIERARCH ESO ISS PBL34 START 42.528
HIERARCH ESO ISS PBL34 END 42.516
HIERARCH ESO ISS PBLA34 START 349.0
HIERARCH ESO ISS PBLA34 END 349.069
HIERARCH ESO ISS AMBI TAU0 START 0.002773
HIERARCH ESO ISS AMBI TAU0 END 0.002773
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08