Exposure
ID
PIONI.2025-03-27T23:35:58.924_1
Header ID
PIONI.2025-03-27T23:35:58.924
Date updated
2025-03-27 23:40:49 UTC+0000
Release date
2026-03-27 23:40:49 UTC+0000
UTC Start
2025-03-27 23:35:58.924
UTC End
2025-03-27 23:36:24.524
MJD Start
60761.9833208811
MJD End
60761.9836171774
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001118
Ambient temperature (°C)
14.57
Seeing (arcsec)
1.97
Observation
ID
65908
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
49061
Name
HIP23430
RA
75.541458
DEC
-26.27545
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 59.5200 59.4450 288.1000 288.2000
K0-D0 83.3040 83.1920 264.4000 264.5000
K0-J3 55.9670 55.9630 349.7770 349.8630
G2-D0 37.4300 37.4060 224.7000 224.7000
G2-J3 59.2950 59.2480 51.8820 51.9130
D0-J3 96.5440 96.4740 49.1020 49.1330
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 60761.9833208811
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP23430
RA 75.541458
DEC -26.27545
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 59.52
HIERARCH ESO ISS PBL12 END 59.445
HIERARCH ESO ISS PBLA12 START 288.1
HIERARCH ESO ISS PBLA12 END 288.2
HIERARCH ESO ISS PBL13 START 83.304
HIERARCH ESO ISS PBL13 END 83.192
HIERARCH ESO ISS PBLA13 START 264.4
HIERARCH ESO ISS PBLA13 END 264.5
HIERARCH ESO ISS PBL14 START 55.967
HIERARCH ESO ISS PBL14 END 55.963
HIERARCH ESO ISS PBLA14 START 349.777
HIERARCH ESO ISS PBLA14 END 349.863
HIERARCH ESO ISS PBL23 START 37.43
HIERARCH ESO ISS PBL23 END 37.406
HIERARCH ESO ISS PBLA23 START 224.7
HIERARCH ESO ISS PBLA23 END 224.7
HIERARCH ESO ISS PBL24 START 59.295
HIERARCH ESO ISS PBL24 END 59.248
HIERARCH ESO ISS PBLA24 START 51.882
HIERARCH ESO ISS PBLA24 END 51.913
HIERARCH ESO ISS PBL34 START 96.544
HIERARCH ESO ISS PBL34 END 96.474
HIERARCH ESO ISS PBLA34 START 49.102
HIERARCH ESO ISS PBLA34 END 49.133
HIERARCH ESO ISS AMBI TAU0 START 0.001118
HIERARCH ESO ISS AMBI TAU0 END 0.001118
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 1.97
HIERARCH ESO ISS AMBI FWHM END 1.97