Exposure
ID
PIONI.2025-03-30T06:03:05.810_1
Header ID
PIONI.2025-03-30T06:03:05.810
Date updated
2025-03-30 06:11:07 UTC+0000
Release date
2025-03-30 06:03:05 UTC+0000
UTC Start
2025-03-30 06:03:05.810
UTC End
2025-03-30 06:03:31.410
MJD Start
60764.2521505817
MJD End
60764.252446877996
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007513499999999999
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.395
Observation
ID
65963
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
49101
Name
HD131477
RA
223.412485
DEC
2.23743
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 66.0960 66.1410 272.1000 272.0000
K0-D0 88.2290 88.3230 252.2000 252.2000
K0-J3 54.5280 54.5060 326.0890 326.1180
G2-D0 34.4030 34.4310 211.4000 211.5000
G2-J3 55.7590 55.8140 39.7200 39.7810
D0-J3 89.9410 90.0230 36.5630 36.6280
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 60764.2521505817
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD131477
RA 223.412485
DEC 2.23743
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 66.096
HIERARCH ESO ISS PBL12 END 66.141
HIERARCH ESO ISS PBLA12 START 272.1
HIERARCH ESO ISS PBLA12 END 272.0
HIERARCH ESO ISS PBL13 START 88.229
HIERARCH ESO ISS PBL13 END 88.323
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.2
HIERARCH ESO ISS PBL14 START 54.528
HIERARCH ESO ISS PBL14 END 54.506
HIERARCH ESO ISS PBLA14 START 326.089
HIERARCH ESO ISS PBLA14 END 326.118
HIERARCH ESO ISS PBL23 START 34.403
HIERARCH ESO ISS PBL23 END 34.431
HIERARCH ESO ISS PBLA23 START 211.4
HIERARCH ESO ISS PBLA23 END 211.5
HIERARCH ESO ISS PBL24 START 55.759
HIERARCH ESO ISS PBL24 END 55.814
HIERARCH ESO ISS PBLA24 START 39.72
HIERARCH ESO ISS PBLA24 END 39.781
HIERARCH ESO ISS PBL34 START 89.941
HIERARCH ESO ISS PBL34 END 90.023
HIERARCH ESO ISS PBLA34 START 36.563
HIERARCH ESO ISS PBLA34 END 36.628
HIERARCH ESO ISS AMBI TAU0 START 0.007923
HIERARCH ESO ISS AMBI TAU0 END 0.007104
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.4