Exposure
ID
PIONI.2025-05-31T03:50:16.872_1
Header ID
PIONI.2025-05-31T03:50:16.872
Date updated
2025-05-31 04:01:00 UTC+0000
Release date
2025-05-31 03:50:16 UTC+0000
UTC Start
2025-05-31 03:50:16.872
UTC End
2025-05-31 03:50:42.472
MJD Start
60826.1599175008
MJD End
60826.1602137971
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011369
Ambient temperature (°C)
15.39
Seeing (arcsec)
0.29
Observation
ID
67668
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
50321
Name
HD169267
RA
275.998646
DEC
-2.47159
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 48.5620 48.5670 143.0000 143.0000
A0-J2 100.2530 100.4670 91.3000 91.3000
A0-J6 143.5100 143.5370 6.3070 6.4080
B5-J2 79.8560 80.0390 62.8000 62.9000
B5-J6 181.9320 181.9160 355.7630 355.8410
J2-J6 167.7290 167.7170 329.7700 329.7830
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 60826.1599175008
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD169267
RA 275.998646
DEC -2.47159
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 48.562
HIERARCH ESO ISS PBL12 END 48.567
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 100.253
HIERARCH ESO ISS PBL13 END 100.467
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 143.51
HIERARCH ESO ISS PBL14 END 143.537
HIERARCH ESO ISS PBLA14 START 6.307
HIERARCH ESO ISS PBLA14 END 6.408
HIERARCH ESO ISS PBL23 START 79.856
HIERARCH ESO ISS PBL23 END 80.039
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.9
HIERARCH ESO ISS PBL24 START 181.932
HIERARCH ESO ISS PBL24 END 181.916
HIERARCH ESO ISS PBLA24 START 355.763
HIERARCH ESO ISS PBLA24 END 355.841
HIERARCH ESO ISS PBL34 START 167.729
HIERARCH ESO ISS PBL34 END 167.717
HIERARCH ESO ISS PBLA34 START 329.77
HIERARCH ESO ISS PBLA34 END 329.783
HIERARCH ESO ISS AMBI TAU0 START 0.011369
HIERARCH ESO ISS AMBI TAU0 END 0.011369
HIERARCH ESO ISS AMBI TEMP 15.39
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29