Exposure
ID
PIONI.2025-01-06T04:20:28.042_1
Header ID
PIONI.2025-01-06T04:20:28.042
Date updated
2025-01-06 04:25:41 UTC+0000
Release date
2026-01-06 04:25:41 UTC+0000
UTC Start
2025-01-06 04:20:28.043
UTC End
2025-01-06 04:21:06.443
MJD Start
60681.1808801233
MJD End
60681.18132456774
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0045045
Ambient temperature (°C)
16.46
Seeing (arcsec)
0.66
Observation
ID
63097
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
47007
Name
HIP51077
RA
156.539491
DEC
-42.73871
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 35.5170 35.5850 128.7000 128.7000
A0-J2 100.4150 100.5730 47.7000 47.9000
A0-J6 168.1260 168.1300 356.1890 356.3050
B5-J2 101.1340 101.1920 27.4000 27.6000
B5-J6 193.8880 193.9180 348.4260 348.5200
J2-J6 131.6150 131.7920 319.5440 319.5900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60681.1808801233
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP51077
RA 156.539491
DEC -42.73871
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 35.517
HIERARCH ESO ISS PBL12 END 35.585
HIERARCH ESO ISS PBLA12 START 128.7
HIERARCH ESO ISS PBLA12 END 128.7
HIERARCH ESO ISS PBL13 START 100.415
HIERARCH ESO ISS PBL13 END 100.573
HIERARCH ESO ISS PBLA13 START 47.7
HIERARCH ESO ISS PBLA13 END 47.9
HIERARCH ESO ISS PBL14 START 168.126
HIERARCH ESO ISS PBL14 END 168.13
HIERARCH ESO ISS PBLA14 START 356.189
HIERARCH ESO ISS PBLA14 END 356.305
HIERARCH ESO ISS PBL23 START 101.134
HIERARCH ESO ISS PBL23 END 101.192
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 27.6
HIERARCH ESO ISS PBL24 START 193.888
HIERARCH ESO ISS PBL24 END 193.918
HIERARCH ESO ISS PBLA24 START 348.426
HIERARCH ESO ISS PBLA24 END 348.52
HIERARCH ESO ISS PBL34 START 131.615
HIERARCH ESO ISS PBL34 END 131.792
HIERARCH ESO ISS PBLA34 START 319.544
HIERARCH ESO ISS PBLA34 END 319.59
HIERARCH ESO ISS AMBI TAU0 START 0.004684
HIERARCH ESO ISS AMBI TAU0 END 0.004325
HIERARCH ESO ISS AMBI TEMP 16.46
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66