Exposure
ID
PIONI.2025-06-02T08:32:33.335_1
Header ID
PIONI.2025-06-02T08:32:33.335
Date updated
2025-06-02 08:41:20 UTC+0000
Release date
2025-06-02 08:32:33 UTC+0000
UTC Start
2025-06-02 08:32:33.335
UTC End
2025-06-02 08:32:58.935
MJD Start
60828.3559413813
MJD End
60828.356237677595
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002774
Ambient temperature (°C)
10.02
Seeing (arcsec)
1.21
Observation
ID
67707
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
50358
Name
HD217884
RA
346.028092
DEC
-28.23827
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.0800 45.1080 139.6000 139.6000
A0-J2 108.4570 108.6120 73.4000 73.5000
A0-J6 168.6040 168.6100 6.9110 6.9970
B5-J2 99.2020 99.2920 48.8000 49.0000
B5-J6 201.8850 201.8850 357.4580 357.5300
J2-J6 160.0120 160.0740 328.4850 328.5200
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 60828.3559413813
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD217884
RA 346.028092
DEC -28.23827
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 45.08
HIERARCH ESO ISS PBL12 END 45.108
HIERARCH ESO ISS PBLA12 START 139.6
HIERARCH ESO ISS PBLA12 END 139.6
HIERARCH ESO ISS PBL13 START 108.457
HIERARCH ESO ISS PBL13 END 108.612
HIERARCH ESO ISS PBLA13 START 73.4
HIERARCH ESO ISS PBLA13 END 73.5
HIERARCH ESO ISS PBL14 START 168.604
HIERARCH ESO ISS PBL14 END 168.61
HIERARCH ESO ISS PBLA14 START 6.911
HIERARCH ESO ISS PBLA14 END 6.997
HIERARCH ESO ISS PBL23 START 99.202
HIERARCH ESO ISS PBL23 END 99.292
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 201.885
HIERARCH ESO ISS PBL24 END 201.885
HIERARCH ESO ISS PBLA24 START 357.458
HIERARCH ESO ISS PBLA24 END 357.53
HIERARCH ESO ISS PBL34 START 160.012
HIERARCH ESO ISS PBL34 END 160.074
HIERARCH ESO ISS PBLA34 START 328.485
HIERARCH ESO ISS PBLA34 END 328.52
HIERARCH ESO ISS AMBI TAU0 START 0.002774
HIERARCH ESO ISS AMBI TAU0 END 0.002774
HIERARCH ESO ISS AMBI TEMP 10.02
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 1.21