Exposure
ID
PIONI.2025-03-21T02:00:24.662_1
Header ID
PIONI.2025-03-21T02:00:24.662
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 02:00:24.662
UTC End
2025-03-21 02:00:50.262
MJD Start
60755.0836187685
MJD End
60755.083915064795
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007877
Ambient temperature (°C)
17.2
Seeing (arcsec)
0.59
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 75.7900 75.8220 59.2000 59.4000
A0-J2 124.7750 124.7920 43.1000 43.3000
A0-K0 127.8350 127.8330 30.4500 30.5920
G1-J2 56.0410 56.0370 21.1000 21.2000
G1-K0 71.3910 71.3910 359.7550 359.8650
J2-K0 28.0030 28.0250 313.0210 313.1230
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 60755.0836187685
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 75.79
HIERARCH ESO ISS PBL12 END 75.822
HIERARCH ESO ISS PBLA12 START 59.2
HIERARCH ESO ISS PBLA12 END 59.4
HIERARCH ESO ISS PBL13 START 124.775
HIERARCH ESO ISS PBL13 END 124.792
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.835
HIERARCH ESO ISS PBL14 END 127.833
HIERARCH ESO ISS PBLA14 START 30.45
HIERARCH ESO ISS PBLA14 END 30.592
HIERARCH ESO ISS PBL23 START 56.041
HIERARCH ESO ISS PBL23 END 56.037
HIERARCH ESO ISS PBLA23 START 21.1
HIERARCH ESO ISS PBLA23 END 21.2
HIERARCH ESO ISS PBL24 START 71.391
HIERARCH ESO ISS PBL24 END 71.391
HIERARCH ESO ISS PBLA24 START 359.755
HIERARCH ESO ISS PBLA24 END 359.865
HIERARCH ESO ISS PBL34 START 28.003
HIERARCH ESO ISS PBL34 END 28.025
HIERARCH ESO ISS PBLA34 START 313.021
HIERARCH ESO ISS PBLA34 END 313.123
HIERARCH ESO ISS AMBI TAU0 START 0.007877
HIERARCH ESO ISS AMBI TAU0 END 0.007877
HIERARCH ESO ISS AMBI TEMP 17.2
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59