Exposure
ID
PIONI.2025-06-01T05:44:05.428_1
Header ID
PIONI.2025-06-01T05:44:05.428
Date updated
2025-06-01 05:57:04 UTC+0000
Release date
2026-06-01 05:57:04 UTC+0000
UTC Start
2025-06-01 05:44:05.428
UTC End
2025-06-01 05:44:31.028
MJD Start
60827.2389517077
MJD End
60827.239248004
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009687
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.34
Observation
ID
67662
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
50315
Name
HIP89153
RA
272.930009
DEC
-23.70141
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 48.6030 48.6060 148.5000 148.6000
A0-J2 128.2640 128.3020 89.7000 89.8000
A0-J6 169.3280 169.3380 22.6600 22.7290
B5-J2 111.1700 111.2000 67.8000 67.8000
B5-J6 201.6940 201.6980 11.4010 11.4680
J2-J6 167.9050 167.9090 337.9540 338.0110
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 60827.2389517077
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89153
RA 272.930009
DEC -23.70141
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
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.603
HIERARCH ESO ISS PBL12 END 48.606
HIERARCH ESO ISS PBLA12 START 148.5
HIERARCH ESO ISS PBLA12 END 148.6
HIERARCH ESO ISS PBL13 START 128.264
HIERARCH ESO ISS PBL13 END 128.302
HIERARCH ESO ISS PBLA13 START 89.7
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 169.328
HIERARCH ESO ISS PBL14 END 169.338
HIERARCH ESO ISS PBLA14 START 22.66
HIERARCH ESO ISS PBLA14 END 22.729
HIERARCH ESO ISS PBL23 START 111.17
HIERARCH ESO ISS PBL23 END 111.2
HIERARCH ESO ISS PBLA23 START 67.8
HIERARCH ESO ISS PBLA23 END 67.8
HIERARCH ESO ISS PBL24 START 201.694
HIERARCH ESO ISS PBL24 END 201.698
HIERARCH ESO ISS PBLA24 START 11.401
HIERARCH ESO ISS PBLA24 END 11.468
HIERARCH ESO ISS PBL34 START 167.905
HIERARCH ESO ISS PBL34 END 167.909
HIERARCH ESO ISS PBLA34 START 337.954
HIERARCH ESO ISS PBLA34 END 338.011
HIERARCH ESO ISS AMBI TAU0 START 0.009687
HIERARCH ESO ISS AMBI TAU0 END 0.009687
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34