Exposure
ID
PIONI.2025-07-21T08:07:42.057_1
Header ID
PIONI.2025-07-21T08:07:42.057
Date updated
2025-07-21 08:15:43 UTC+0000
Release date
2025-07-21 08:07:42 UTC+0000
UTC Start
2025-07-21 08:07:42.057
UTC End
2025-07-21 08:08:07.657
MJD Start
60877.3386812103
MJD End
60877.338977506595
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003646
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.67
Observation
ID
68901
Category
calibrator
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
51264
Name
HD223685
RA
357.916121
DEC
4.69805
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0600 90.0380 113.2000 113.2000
A0-J2 128.5390 128.5740 93.1000 93.1000
A0-K0 122.8710 122.9610 73.4820 73.4810
G1-J2 53.7520 53.8020 58.0000 58.0000
G1-K0 78.6190 78.6710 26.4410 26.5050
J2-K0 43.1840 43.1700 345.8530 345.9150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60877.3386812103
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD223685
RA 357.916121
DEC 4.69805
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.06
HIERARCH ESO ISS PBL12 END 90.038
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 128.539
HIERARCH ESO ISS PBL13 END 128.574
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 122.871
HIERARCH ESO ISS PBL14 END 122.961
HIERARCH ESO ISS PBLA14 START 73.482
HIERARCH ESO ISS PBLA14 END 73.481
HIERARCH ESO ISS PBL23 START 53.752
HIERARCH ESO ISS PBL23 END 53.802
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 78.619
HIERARCH ESO ISS PBL24 END 78.671
HIERARCH ESO ISS PBLA24 START 26.441
HIERARCH ESO ISS PBLA24 END 26.505
HIERARCH ESO ISS PBL34 START 43.184
HIERARCH ESO ISS PBL34 END 43.17
HIERARCH ESO ISS PBLA34 START 345.853
HIERARCH ESO ISS PBLA34 END 345.915
HIERARCH ESO ISS AMBI TAU0 START 0.003646
HIERARCH ESO ISS AMBI TAU0 END 0.003646
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67