Exposure
ID
PIONI.2025-07-21T02:55:20.907_1
Header ID
PIONI.2025-07-21T02:55:20.907
Date updated
2025-07-21 03:05:52 UTC+0000
Release date
2026-07-21 03:05:51 UTC+0000
UTC Start
2025-07-21 02:55:20.907
UTC End
2025-07-21 02:55:46.507
MJD Start
60877.121769757
MJD End
60877.1220660533
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002602
Ambient temperature (°C)
15.1
Seeing (arcsec)
0.64
Observation
ID
68881
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
51245
Name
HIP79666
RA
243.867727
DEC
18.80761
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 65.9230 65.7740 105.0000 105.0000
A0-J2 113.2740 113.1200 82.4000 82.3000
A0-K0 124.8970 124.8330 66.7000 66.6390
G1-J2 58.2290 58.2280 56.6000 56.5000
G1-K0 83.8170 83.8690 37.5080 37.5050
J2-K0 34.5110 34.5170 4.0320 4.1250
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 60877.121769757
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP79666
RA 243.867727
DEC 18.80761
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 65.923
HIERARCH ESO ISS PBL12 END 65.774
HIERARCH ESO ISS PBLA12 START 105.0
HIERARCH ESO ISS PBLA12 END 105.0
HIERARCH ESO ISS PBL13 START 113.274
HIERARCH ESO ISS PBL13 END 113.12
HIERARCH ESO ISS PBLA13 START 82.4
HIERARCH ESO ISS PBLA13 END 82.3
HIERARCH ESO ISS PBL14 START 124.897
HIERARCH ESO ISS PBL14 END 124.833
HIERARCH ESO ISS PBLA14 START 66.7
HIERARCH ESO ISS PBLA14 END 66.639
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.228
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 83.817
HIERARCH ESO ISS PBL24 END 83.869
HIERARCH ESO ISS PBLA24 START 37.508
HIERARCH ESO ISS PBLA24 END 37.505
HIERARCH ESO ISS PBL34 START 34.511
HIERARCH ESO ISS PBL34 END 34.517
HIERARCH ESO ISS PBLA34 START 4.032
HIERARCH ESO ISS PBLA34 END 4.125
HIERARCH ESO ISS AMBI TAU0 START 0.002602
HIERARCH ESO ISS AMBI TAU0 END 0.002602
HIERARCH ESO ISS AMBI TEMP 15.1
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64