Exposure
ID
PIONI.2025-07-22T07:29:54.050_1
Header ID
PIONI.2025-07-22T07:29:54.050
Date updated
2025-07-22 07:35:50 UTC+0000
Release date
2025-07-22 07:29:54 UTC+0000
UTC Start
2025-07-22 07:29:54.050
UTC End
2025-07-22 07:30:19.650
MJD Start
60878.3124311347
MJD End
60878.312727430995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009166
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.35
Observation
ID
68914
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
51277
Name
HD645
RA
2.678198
DEC
-12.58012
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 88.1270 88.1760 111.6000 111.6000
A0-J2 121.7950 121.9060 88.3000 88.3000
A0-K0 118.0940 118.2080 65.1520 65.2100
G1-J2 53.6680 53.7100 47.8000 47.9000
G1-K0 85.8110 85.8330 17.0810 17.1600
J2-K0 48.2640 48.2600 342.4160 342.4660
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 60878.3124311347
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD645
RA 2.678198
DEC -12.58012
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 88.127
HIERARCH ESO ISS PBL12 END 88.176
HIERARCH ESO ISS PBLA12 START 111.6
HIERARCH ESO ISS PBLA12 END 111.6
HIERARCH ESO ISS PBL13 START 121.795
HIERARCH ESO ISS PBL13 END 121.906
HIERARCH ESO ISS PBLA13 START 88.3
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 118.094
HIERARCH ESO ISS PBL14 END 118.208
HIERARCH ESO ISS PBLA14 START 65.152
HIERARCH ESO ISS PBLA14 END 65.21
HIERARCH ESO ISS PBL23 START 53.668
HIERARCH ESO ISS PBL23 END 53.71
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 85.811
HIERARCH ESO ISS PBL24 END 85.833
HIERARCH ESO ISS PBLA24 START 17.081
HIERARCH ESO ISS PBLA24 END 17.16
HIERARCH ESO ISS PBL34 START 48.264
HIERARCH ESO ISS PBL34 END 48.26
HIERARCH ESO ISS PBLA34 START 342.416
HIERARCH ESO ISS PBLA34 END 342.466
HIERARCH ESO ISS AMBI TAU0 START 0.009166
HIERARCH ESO ISS AMBI TAU0 END 0.009166
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.35