Exposure
ID
PIONI.2025-06-01T05:29:39.145_1
Header ID
PIONI.2025-06-01T05:29:39.145
Date updated
2025-06-01 05:36:44 UTC+0000
Release date
2026-06-01 05:36:44 UTC+0000
UTC Start
2025-06-01 05:29:39.145
UTC End
2025-06-01 05:30:04.745
MJD Start
60827.228925291
MJD End
60827.229221587295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010321
Ambient temperature (°C)
13.4
Seeing (arcsec)
0.41
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 48.5090 48.5140 147.3000 147.3000
A0-J2 127.1360 127.1900 88.3000 88.3000
A0-J6 169.0500 169.0620 20.9700 21.0390
B5-J2 110.2950 110.3360 66.1000 66.2000
B5-J6 201.5890 201.5930 9.7870 9.8520
J2-J6 167.7580 167.7660 336.6190 336.6710
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 60827.228925291
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 48.509
HIERARCH ESO ISS PBL12 END 48.514
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 127.136
HIERARCH ESO ISS PBL13 END 127.19
HIERARCH ESO ISS PBLA13 START 88.3
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 169.05
HIERARCH ESO ISS PBL14 END 169.062
HIERARCH ESO ISS PBLA14 START 20.97
HIERARCH ESO ISS PBLA14 END 21.039
HIERARCH ESO ISS PBL23 START 110.295
HIERARCH ESO ISS PBL23 END 110.336
HIERARCH ESO ISS PBLA23 START 66.1
HIERARCH ESO ISS PBLA23 END 66.2
HIERARCH ESO ISS PBL24 START 201.589
HIERARCH ESO ISS PBL24 END 201.593
HIERARCH ESO ISS PBLA24 START 9.787
HIERARCH ESO ISS PBLA24 END 9.852
HIERARCH ESO ISS PBL34 START 167.758
HIERARCH ESO ISS PBL34 END 167.766
HIERARCH ESO ISS PBLA34 START 336.619
HIERARCH ESO ISS PBLA34 END 336.671
HIERARCH ESO ISS AMBI TAU0 START 0.010321
HIERARCH ESO ISS AMBI TAU0 END 0.010321
HIERARCH ESO ISS AMBI TEMP 13.4
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41