Exposure
ID
PIONI.2025-03-31T07:50:59.215_1
Header ID
PIONI.2025-03-31T07:50:59.215
Date updated
2025-03-31 08:00:57 UTC+0000
Release date
2026-03-31 08:00:57 UTC+0000
UTC Start
2025-03-31 07:50:59.215
UTC End
2025-03-31 07:51:24.815
MJD Start
60765.327074253
MJD End
60765.3273705493
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008056
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.405
Observation
ID
65979
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
49117
Name
HIP80343
RA
246.025589
DEC
-20.03758
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 67.4360 67.4630 268.1000 268.1000
K0-D0 94.4170 94.4560 247.2000 247.3000
K0-J3 56.5600 56.5610 329.1030 329.1560
G2-D0 39.5180 39.5250 209.8000 209.9000
G2-J3 63.6390 63.6550 37.0620 37.1350
D0-J3 102.9640 102.9870 34.2990 34.3720
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 60765.327074253
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP80343
RA 246.025589
DEC -20.03758
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 67.436
HIERARCH ESO ISS PBL12 END 67.463
HIERARCH ESO ISS PBLA12 START 268.1
HIERARCH ESO ISS PBLA12 END 268.1
HIERARCH ESO ISS PBL13 START 94.417
HIERARCH ESO ISS PBL13 END 94.456
HIERARCH ESO ISS PBLA13 START 247.2
HIERARCH ESO ISS PBLA13 END 247.3
HIERARCH ESO ISS PBL14 START 56.56
HIERARCH ESO ISS PBL14 END 56.561
HIERARCH ESO ISS PBLA14 START 329.103
HIERARCH ESO ISS PBLA14 END 329.156
HIERARCH ESO ISS PBL23 START 39.518
HIERARCH ESO ISS PBL23 END 39.525
HIERARCH ESO ISS PBLA23 START 209.8
HIERARCH ESO ISS PBLA23 END 209.9
HIERARCH ESO ISS PBL24 START 63.639
HIERARCH ESO ISS PBL24 END 63.655
HIERARCH ESO ISS PBLA24 START 37.062
HIERARCH ESO ISS PBLA24 END 37.135
HIERARCH ESO ISS PBL34 START 102.964
HIERARCH ESO ISS PBL34 END 102.987
HIERARCH ESO ISS PBLA34 START 34.299
HIERARCH ESO ISS PBLA34 END 34.372
HIERARCH ESO ISS AMBI TAU0 START 0.008056
HIERARCH ESO ISS AMBI TAU0 END 0.008056
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41