Exposure
ID
PIONI.2025-07-21T05:10:06.758_1
Header ID
PIONI.2025-07-21T05:10:06.758
Date updated
2025-07-21 05:15:46 UTC+0000
Release date
2026-07-21 05:15:46 UTC+0000
UTC Start
2025-07-21 05:10:06.759
UTC End
2025-07-21 05:10:32.359
MJD Start
60877.2153560016
MJD End
60877.2156522979
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00877
Ambient temperature (°C)
15.19
Seeing (arcsec)
0.5
Observation
ID
68889
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
51252
Name
HIP111600
RA
339.146077
DEC
-31.66402
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 78.5440 78.6420 100.8000 100.9000
A0-J2 113.7740 113.9060 74.3000 74.4000
A0-K0 118.2270 118.3130 50.9680 51.0800
G1-J2 55.8940 55.9150 35.4000 35.5000
G1-K0 90.3940 90.3950 9.3550 9.4390
J2-K0 47.0710 47.0810 337.9440 337.9910
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 60877.2153560016
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP111600
RA 339.146077
DEC -31.66402
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 78.544
HIERARCH ESO ISS PBL12 END 78.642
HIERARCH ESO ISS PBLA12 START 100.8
HIERARCH ESO ISS PBLA12 END 100.9
HIERARCH ESO ISS PBL13 START 113.774
HIERARCH ESO ISS PBL13 END 113.906
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 118.227
HIERARCH ESO ISS PBL14 END 118.313
HIERARCH ESO ISS PBLA14 START 50.968
HIERARCH ESO ISS PBLA14 END 51.08
HIERARCH ESO ISS PBL23 START 55.894
HIERARCH ESO ISS PBL23 END 55.915
HIERARCH ESO ISS PBLA23 START 35.4
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 90.394
HIERARCH ESO ISS PBL24 END 90.395
HIERARCH ESO ISS PBLA24 START 9.355
HIERARCH ESO ISS PBLA24 END 9.439
HIERARCH ESO ISS PBL34 START 47.071
HIERARCH ESO ISS PBL34 END 47.081
HIERARCH ESO ISS PBLA34 START 337.944
HIERARCH ESO ISS PBLA34 END 337.991
HIERARCH ESO ISS AMBI TAU0 START 0.009823
HIERARCH ESO ISS AMBI TAU0 END 0.007717
HIERARCH ESO ISS AMBI TEMP 15.19
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.45