Exposure
ID
PIONI.2025-04-28T06:15:58.795_1
Header ID
PIONI.2025-04-28T06:15:58.795
Date updated
2025-04-28 06:20:40 UTC+0000
Release date
2025-04-28 06:15:58 UTC+0000
UTC Start
2025-04-28 06:15:58.795
UTC End
2025-04-28 06:16:24.395
MJD Start
60793.2610971672
MJD End
60793.261393463494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0054625
Ambient temperature (°C)
12.74
Seeing (arcsec)
0.42
Observation
ID
67028
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
49836
Name
HD142421
RA
238.612965
DEC
2.14245
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 88.3970 88.3490 113.6000 113.6000
A0-J2 129.1230 129.1080 92.5000 92.5000
A0-K0 126.9390 126.9810 72.9270 72.9320
G1-J2 56.5140 56.5460 58.2000 58.2000
G1-K0 83.1300 83.1770 29.0350 29.0920
J2-K0 43.5410 43.5310 349.8680 349.9430
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 60793.2610971672
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD142421
RA 238.612965
DEC 2.14245
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 88.397
HIERARCH ESO ISS PBL12 END 88.349
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 129.123
HIERARCH ESO ISS PBL13 END 129.108
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.939
HIERARCH ESO ISS PBL14 END 126.981
HIERARCH ESO ISS PBLA14 START 72.927
HIERARCH ESO ISS PBLA14 END 72.932
HIERARCH ESO ISS PBL23 START 56.514
HIERARCH ESO ISS PBL23 END 56.546
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 83.13
HIERARCH ESO ISS PBL24 END 83.177
HIERARCH ESO ISS PBLA24 START 29.035
HIERARCH ESO ISS PBLA24 END 29.092
HIERARCH ESO ISS PBL34 START 43.541
HIERARCH ESO ISS PBL34 END 43.531
HIERARCH ESO ISS PBLA34 START 349.868
HIERARCH ESO ISS PBLA34 END 349.943
HIERARCH ESO ISS AMBI TAU0 START 0.005368
HIERARCH ESO ISS AMBI TAU0 END 0.005557
HIERARCH ESO ISS AMBI TEMP 12.74
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.41