Exposure
ID
PIONI.2025-03-30T09:09:55.067_1
Header ID
PIONI.2025-03-30T09:09:55.067
Date updated
2025-03-30 09:15:58 UTC+0000
Release date
2026-03-30 09:15:58 UTC+0000
UTC Start
2025-03-30 09:09:55.067
UTC End
2025-03-30 09:10:20.667
MJD Start
60764.3818873521
MJD End
60764.3821836484
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004857
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.91
Observation
ID
65972
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
49110
Name
HIP88635
RA
271.451716
DEC
-30.42524
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 66.1440 66.1830 262.9000 263.0000
K0-D0 94.0880 94.1260 242.1000 242.2000
K0-J3 55.2180 55.2330 326.2030 326.2550
G2-D0 39.9500 39.9510 206.0000 206.1000
G2-J3 64.3170 64.3230 32.8900 32.9750
D0-J3 104.0880 104.0950 30.2470 30.3300
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 60764.3818873521
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP88635
RA 271.451716
DEC -30.42524
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 66.144
HIERARCH ESO ISS PBL12 END 66.183
HIERARCH ESO ISS PBLA12 START 262.9
HIERARCH ESO ISS PBLA12 END 263.0
HIERARCH ESO ISS PBL13 START 94.088
HIERARCH ESO ISS PBL13 END 94.126
HIERARCH ESO ISS PBLA13 START 242.1
HIERARCH ESO ISS PBLA13 END 242.2
HIERARCH ESO ISS PBL14 START 55.218
HIERARCH ESO ISS PBL14 END 55.233
HIERARCH ESO ISS PBLA14 START 326.203
HIERARCH ESO ISS PBLA14 END 326.255
HIERARCH ESO ISS PBL23 START 39.95
HIERARCH ESO ISS PBL23 END 39.951
HIERARCH ESO ISS PBLA23 START 206.0
HIERARCH ESO ISS PBLA23 END 206.1
HIERARCH ESO ISS PBL24 START 64.317
HIERARCH ESO ISS PBL24 END 64.323
HIERARCH ESO ISS PBLA24 START 32.89
HIERARCH ESO ISS PBLA24 END 32.975
HIERARCH ESO ISS PBL34 START 104.088
HIERARCH ESO ISS PBL34 END 104.095
HIERARCH ESO ISS PBLA34 START 30.247
HIERARCH ESO ISS PBLA34 END 30.33
HIERARCH ESO ISS AMBI TAU0 START 0.004857
HIERARCH ESO ISS AMBI TAU0 END 0.004857
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91