Exposure
ID
PIONI.2025-05-31T06:14:50.508_1
Header ID
PIONI.2025-05-31T06:14:50.508
Date updated
2025-05-31 06:26:25 UTC+0000
Release date
2025-05-31 06:14:50 UTC+0000
UTC Start
2025-05-31 06:14:50.507
UTC End
2025-05-31 06:15:16.107
MJD Start
60826.2603067956
MJD End
60826.2606030919
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0161475
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.3
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 43.6510 43.6830 138.1000 138.1000
A0-J2 105.4450 105.6020 69.2000 69.3000
A0-J6 169.2100 169.2120 4.6740 4.7610
B5-J2 98.5330 98.6180 44.7000 44.9000
B5-J6 201.6990 201.7010 355.6250 355.6960
J2-J6 156.1380 156.2140 327.1280 327.1620
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 60826.2603067956
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 43.651
HIERARCH ESO ISS PBL12 END 43.683
HIERARCH ESO ISS PBLA12 START 138.1
HIERARCH ESO ISS PBLA12 END 138.1
HIERARCH ESO ISS PBL13 START 105.445
HIERARCH ESO ISS PBL13 END 105.602
HIERARCH ESO ISS PBLA13 START 69.2
HIERARCH ESO ISS PBLA13 END 69.3
HIERARCH ESO ISS PBL14 START 169.21
HIERARCH ESO ISS PBL14 END 169.212
HIERARCH ESO ISS PBLA14 START 4.674
HIERARCH ESO ISS PBLA14 END 4.761
HIERARCH ESO ISS PBL23 START 98.533
HIERARCH ESO ISS PBL23 END 98.618
HIERARCH ESO ISS PBLA23 START 44.7
HIERARCH ESO ISS PBLA23 END 44.9
HIERARCH ESO ISS PBL24 START 201.699
HIERARCH ESO ISS PBL24 END 201.701
HIERARCH ESO ISS PBLA24 START 355.625
HIERARCH ESO ISS PBLA24 END 355.696
HIERARCH ESO ISS PBL34 START 156.138
HIERARCH ESO ISS PBL34 END 156.214
HIERARCH ESO ISS PBLA34 START 327.128
HIERARCH ESO ISS PBLA34 END 327.162
HIERARCH ESO ISS AMBI TAU0 START 0.017927
HIERARCH ESO ISS AMBI TAU0 END 0.014368
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.29