Exposure
ID
PIONI.2025-03-30T05:56:42.682_1
Header ID
PIONI.2025-03-30T05:56:42.682
Date updated
2025-03-30 06:00:50 UTC+0000
Release date
2025-03-30 05:56:42 UTC+0000
UTC Start
2025-03-30 05:56:42.682
UTC End
2025-03-30 05:57:08.282
MJD Start
60764.2477162285
MJD End
60764.2480125248
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008477
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.39
Observation
ID
65962
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
49100
Name
HD127227
RA
217.473462
DEC
16.20862
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 67.3830 67.4110 274.3000 274.3000
K0-D0 88.5840 88.6750 257.7000 257.7000
K0-J3 49.3210 49.2800 323.5230 323.5470
G2-D0 30.8050 30.8450 218.9000 219.0000
G2-J3 51.2790 51.3520 47.6050 47.6380
D0-J3 81.8640 81.9780 44.3530 44.3930
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 60764.2477162285
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD127227
RA 217.473462
DEC 16.20862
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 67.383
HIERARCH ESO ISS PBL12 END 67.411
HIERARCH ESO ISS PBLA12 START 274.3
HIERARCH ESO ISS PBLA12 END 274.3
HIERARCH ESO ISS PBL13 START 88.584
HIERARCH ESO ISS PBL13 END 88.675
HIERARCH ESO ISS PBLA13 START 257.7
HIERARCH ESO ISS PBLA13 END 257.7
HIERARCH ESO ISS PBL14 START 49.321
HIERARCH ESO ISS PBL14 END 49.28
HIERARCH ESO ISS PBLA14 START 323.523
HIERARCH ESO ISS PBLA14 END 323.547
HIERARCH ESO ISS PBL23 START 30.805
HIERARCH ESO ISS PBL23 END 30.845
HIERARCH ESO ISS PBLA23 START 218.9
HIERARCH ESO ISS PBLA23 END 219.0
HIERARCH ESO ISS PBL24 START 51.279
HIERARCH ESO ISS PBL24 END 51.352
HIERARCH ESO ISS PBLA24 START 47.605
HIERARCH ESO ISS PBLA24 END 47.638
HIERARCH ESO ISS PBL34 START 81.864
HIERARCH ESO ISS PBL34 END 81.978
HIERARCH ESO ISS PBLA34 START 44.353
HIERARCH ESO ISS PBLA34 END 44.393
HIERARCH ESO ISS AMBI TAU0 START 0.008477
HIERARCH ESO ISS AMBI TAU0 END 0.008477
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39