Exposure
ID
PIONI.2025-01-04T07:59:43.485_1
Header ID
PIONI.2025-01-04T07:59:43.485
Date updated
2025-01-04 08:05:41 UTC+0000
Release date
2026-01-04 08:05:40 UTC+0000
UTC Start
2025-01-04 07:59:43.485
UTC End
2025-01-04 08:00:09.085
MJD Start
60679.3331421865
MJD End
60679.3334384828
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005779
Ambient temperature (°C)
10.77
Seeing (arcsec)
1.24
Observation
ID
63072
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46987
Name
HIP50799
RA
155.580655
DEC
-41.64963
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.8160 46.8280 149.4000 149.5000
A0-J2 129.1200 129.1300 91.3000 91.4000
A0-J6 164.1790 164.1430 26.0320 26.0910
B5-J2 111.7170 111.7030 70.4000 70.5000
B5-J6 193.9170 193.8900 14.4020 14.4560
J2-J6 160.8550 160.8880 339.2340 339.2880
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60679.3331421865
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP50799
RA 155.580655
DEC -41.64963
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.816
HIERARCH ESO ISS PBL12 END 46.828
HIERARCH ESO ISS PBLA12 START 149.4
HIERARCH ESO ISS PBLA12 END 149.5
HIERARCH ESO ISS PBL13 START 129.12
HIERARCH ESO ISS PBL13 END 129.13
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 164.179
HIERARCH ESO ISS PBL14 END 164.143
HIERARCH ESO ISS PBLA14 START 26.032
HIERARCH ESO ISS PBLA14 END 26.091
HIERARCH ESO ISS PBL23 START 111.717
HIERARCH ESO ISS PBL23 END 111.703
HIERARCH ESO ISS PBLA23 START 70.4
HIERARCH ESO ISS PBLA23 END 70.5
HIERARCH ESO ISS PBL24 START 193.917
HIERARCH ESO ISS PBL24 END 193.89
HIERARCH ESO ISS PBLA24 START 14.402
HIERARCH ESO ISS PBLA24 END 14.456
HIERARCH ESO ISS PBL34 START 160.855
HIERARCH ESO ISS PBL34 END 160.888
HIERARCH ESO ISS PBLA34 START 339.234
HIERARCH ESO ISS PBLA34 END 339.288
HIERARCH ESO ISS AMBI TAU0 START 0.005779
HIERARCH ESO ISS AMBI TAU0 END 0.005779
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.24