Exposure
ID
PIONI.2025-03-21T01:59:09.615_1
Header ID
PIONI.2025-03-21T01:59:09.615
Date updated
2025-03-21 02:05:46 UTC+0000
Release date
2026-03-21 02:05:46 UTC+0000
UTC Start
2025-03-21 01:59:09.614
UTC End
2025-03-21 01:59:35.214
MJD Start
60755.0827501668
MJD End
60755.0830464631
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006979
Ambient temperature (°C)
17.24
Seeing (arcsec)
0.6
Observation
ID
65729
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
48902
Name
HIP61181
RA
188.038535
DEC
-73.00109
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 75.7220 75.7550 58.9000 59.0000
A0-J2 124.7380 124.7560 42.8000 42.9000
A0-K0 127.8400 127.8370 30.1540 30.2960
G1-J2 56.0500 56.0460 20.8000 20.9000
G1-K0 71.3910 71.3910 359.5260 359.6360
J2-K0 27.9570 27.9790 312.8100 312.9110
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 60755.0827501668
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP61181
RA 188.038535
DEC -73.00109
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 75.722
HIERARCH ESO ISS PBL12 END 75.755
HIERARCH ESO ISS PBLA12 START 58.9
HIERARCH ESO ISS PBLA12 END 59.0
HIERARCH ESO ISS PBL13 START 124.738
HIERARCH ESO ISS PBL13 END 124.756
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 127.84
HIERARCH ESO ISS PBL14 END 127.837
HIERARCH ESO ISS PBLA14 START 30.154
HIERARCH ESO ISS PBLA14 END 30.296
HIERARCH ESO ISS PBL23 START 56.05
HIERARCH ESO ISS PBL23 END 56.046
HIERARCH ESO ISS PBLA23 START 20.8
HIERARCH ESO ISS PBLA23 END 20.9
HIERARCH ESO ISS PBL24 START 71.391
HIERARCH ESO ISS PBL24 END 71.391
HIERARCH ESO ISS PBLA24 START 359.526
HIERARCH ESO ISS PBLA24 END 359.636
HIERARCH ESO ISS PBL34 START 27.957
HIERARCH ESO ISS PBL34 END 27.979
HIERARCH ESO ISS PBLA34 START 312.81
HIERARCH ESO ISS PBLA34 END 312.911
HIERARCH ESO ISS AMBI TAU0 START 0.006081
HIERARCH ESO ISS AMBI TAU0 END 0.007877
HIERARCH ESO ISS AMBI TEMP 17.24
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.59