Exposure
ID
PIONI.2025-03-31T07:46:41.919_1
Header ID
PIONI.2025-03-31T07:46:41.919
Date updated
2025-03-31 07:50:42 UTC+0000
Release date
2025-03-31 07:46:41 UTC+0000
UTC Start
2025-03-31 07:46:41.919
UTC End
2025-03-31 07:47:07.519
MJD Start
60765.3240962853
MJD End
60765.3243925816
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008456
Ambient temperature (°C)
14.06
Seeing (arcsec)
0.4
Observation
ID
65978
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
49116
Name
HD146436
RA
244.246618
DEC
-20.10412
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 67.5610 67.5860 268.3000 268.4000
K0-D0 94.6030 94.6400 247.5000 247.6000
K0-J3 56.5620 56.5630 329.3500 329.4010
G2-D0 39.5590 39.5660 210.2000 210.3000
G2-J3 63.7210 63.7360 37.3930 37.4620
D0-J3 103.0860 103.1090 34.6310 34.7010
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 60765.3240962853
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD146436
RA 244.246618
DEC -20.10412
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 67.561
HIERARCH ESO ISS PBL12 END 67.586
HIERARCH ESO ISS PBLA12 START 268.3
HIERARCH ESO ISS PBLA12 END 268.4
HIERARCH ESO ISS PBL13 START 94.603
HIERARCH ESO ISS PBL13 END 94.64
HIERARCH ESO ISS PBLA13 START 247.5
HIERARCH ESO ISS PBLA13 END 247.6
HIERARCH ESO ISS PBL14 START 56.562
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 329.35
HIERARCH ESO ISS PBLA14 END 329.401
HIERARCH ESO ISS PBL23 START 39.559
HIERARCH ESO ISS PBL23 END 39.566
HIERARCH ESO ISS PBLA23 START 210.2
HIERARCH ESO ISS PBLA23 END 210.3
HIERARCH ESO ISS PBL24 START 63.721
HIERARCH ESO ISS PBL24 END 63.736
HIERARCH ESO ISS PBLA24 START 37.393
HIERARCH ESO ISS PBLA24 END 37.462
HIERARCH ESO ISS PBL34 START 103.086
HIERARCH ESO ISS PBL34 END 103.109
HIERARCH ESO ISS PBLA34 START 34.631
HIERARCH ESO ISS PBLA34 END 34.701
HIERARCH ESO ISS AMBI TAU0 START 0.008456
HIERARCH ESO ISS AMBI TAU0 END 0.008456
HIERARCH ESO ISS AMBI TEMP 14.06
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4