Exposure
ID
PIONI.2025-06-01T04:58:32.182_1
Header ID
PIONI.2025-06-01T04:58:32.182
Date updated
2025-06-01 05:06:33 UTC+0000
Release date
2025-06-01 04:58:32 UTC+0000
UTC Start
2025-06-01 04:58:32.182
UTC End
2025-06-01 04:58:57.782
MJD Start
60827.2073169202
MJD End
60827.207613216495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0104905
Ambient temperature (°C)
13.13
Seeing (arcsec)
0.395
Observation
ID
67679
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
50332
Name
HD198751
RA
313.353582
DEC
-30.71905
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 38.8990 38.9450 135.8000 135.8000
A0-J2 84.7700 84.9460 53.0000 53.2000
A0-J6 169.2430 169.2410 354.2150 354.3010
B5-J2 88.7350 88.8060 27.2000 27.4000
B5-J6 201.1790 201.1870 347.3170 347.3830
J2-J6 144.7530 144.8660 324.1700 324.1850
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 60827.2073169202
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD198751
RA 313.353582
DEC -30.71905
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 38.899
HIERARCH ESO ISS PBL12 END 38.945
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 84.77
HIERARCH ESO ISS PBL13 END 84.946
HIERARCH ESO ISS PBLA13 START 53.0
HIERARCH ESO ISS PBLA13 END 53.2
HIERARCH ESO ISS PBL14 START 169.243
HIERARCH ESO ISS PBL14 END 169.241
HIERARCH ESO ISS PBLA14 START 354.215
HIERARCH ESO ISS PBLA14 END 354.301
HIERARCH ESO ISS PBL23 START 88.735
HIERARCH ESO ISS PBL23 END 88.806
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 27.4
HIERARCH ESO ISS PBL24 START 201.179
HIERARCH ESO ISS PBL24 END 201.187
HIERARCH ESO ISS PBLA24 START 347.317
HIERARCH ESO ISS PBLA24 END 347.383
HIERARCH ESO ISS PBL34 START 144.753
HIERARCH ESO ISS PBL34 END 144.866
HIERARCH ESO ISS PBLA34 START 324.17
HIERARCH ESO ISS PBLA34 END 324.185
HIERARCH ESO ISS AMBI TAU0 START 0.009825
HIERARCH ESO ISS AMBI TAU0 END 0.011156
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.37