Exposure
ID
PIONI.2025-03-24T08:37:00.738_1
Header ID
PIONI.2025-03-24T08:37:00.738
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 08:37:00.738
UTC End
2025-03-24 08:37:26.338
MJD Start
60758.3590363166
MJD End
60758.3593326129
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002773
Ambient temperature (°C)
12.94
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 88.4680 88.4230 113.0000 113.0000
A0-J2 129.2130 129.2070 92.5000 92.5000
A0-K0 126.2130 126.2640 73.3590 73.3530
G1-J2 55.7810 55.8170 58.7000 58.7000
G1-K0 81.0090 81.0590 29.1780 29.2280
J2-K0 42.5400 42.5280 348.9290 348.9960
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 60758.3590363166
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 88.468
HIERARCH ESO ISS PBL12 END 88.423
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 129.213
HIERARCH ESO ISS PBL13 END 129.207
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.213
HIERARCH ESO ISS PBL14 END 126.264
HIERARCH ESO ISS PBLA14 START 73.359
HIERARCH ESO ISS PBLA14 END 73.353
HIERARCH ESO ISS PBL23 START 55.781
HIERARCH ESO ISS PBL23 END 55.817
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 81.009
HIERARCH ESO ISS PBL24 END 81.059
HIERARCH ESO ISS PBLA24 START 29.178
HIERARCH ESO ISS PBLA24 END 29.228
HIERARCH ESO ISS PBL34 START 42.54
HIERARCH ESO ISS PBL34 END 42.528
HIERARCH ESO ISS PBLA34 START 348.929
HIERARCH ESO ISS PBLA34 END 348.996
HIERARCH ESO ISS AMBI TAU0 START 0.002773
HIERARCH ESO ISS AMBI TAU0 END 0.002773
HIERARCH ESO ISS AMBI TEMP 12.94
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08