Exposure
ID
PIONI.2025-07-21T08:28:46.020_1
Header ID
PIONI.2025-07-21T08:28:46.020
Date updated
2025-07-21 08:35:38 UTC+0000
Release date
2025-07-21 08:28:46 UTC+0000
UTC Start
2025-07-21 08:28:46.020
UTC End
2025-07-21 08:29:11.620
MJD Start
60877.3533104178
MJD End
60877.353606714096
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007035
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.9
Observation
ID
68904
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
51267
Name
HD22001
RA
52.346818
DEC
-62.93541
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 68.8120 68.8730 58.9000 59.1000
A0-J2 117.6510 117.6910 38.9000 39.1000
A0-K0 126.8890 126.8970 24.5740 24.7160
G1-J2 57.9860 57.9850 14.9000 15.1000
G1-K0 80.0910 80.0950 355.5990 355.6960
J2-K0 31.8280 31.8580 318.4800 318.5550
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 60877.3533104178
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD22001
RA 52.346818
DEC -62.93541
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 68.812
HIERARCH ESO ISS PBL12 END 68.873
HIERARCH ESO ISS PBLA12 START 58.9
HIERARCH ESO ISS PBLA12 END 59.1
HIERARCH ESO ISS PBL13 START 117.651
HIERARCH ESO ISS PBL13 END 117.691
HIERARCH ESO ISS PBLA13 START 38.9
HIERARCH ESO ISS PBLA13 END 39.1
HIERARCH ESO ISS PBL14 START 126.889
HIERARCH ESO ISS PBL14 END 126.897
HIERARCH ESO ISS PBLA14 START 24.574
HIERARCH ESO ISS PBLA14 END 24.716
HIERARCH ESO ISS PBL23 START 57.986
HIERARCH ESO ISS PBL23 END 57.985
HIERARCH ESO ISS PBLA23 START 14.9
HIERARCH ESO ISS PBLA23 END 15.1
HIERARCH ESO ISS PBL24 START 80.091
HIERARCH ESO ISS PBL24 END 80.095
HIERARCH ESO ISS PBLA24 START 355.599
HIERARCH ESO ISS PBLA24 END 355.696
HIERARCH ESO ISS PBL34 START 31.828
HIERARCH ESO ISS PBL34 END 31.858
HIERARCH ESO ISS PBLA34 START 318.48
HIERARCH ESO ISS PBLA34 END 318.555
HIERARCH ESO ISS AMBI TAU0 START 0.007035
HIERARCH ESO ISS AMBI TAU0 END 0.007035
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9