Exposure
ID
PIONI.2025-01-02T06:18:54.800_1
Header ID
PIONI.2025-01-02T06:18:54.800
Date updated
2025-01-02 06:25:39 UTC+0000
Release date
2025-01-02 06:18:54 UTC+0000
UTC Start
2025-01-02 06:18:54.800
UTC End
2025-01-02 06:19:20.400
MJD Start
60677.2631342611
MJD End
60677.263430557396
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009089
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.49
Observation
ID
63069
Category
calibrator
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46984
Name
HD98748
RA
170.452494
DEC
-0.05384
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 48.5270 48.5330 143.2000 143.2000
A0-J2 94.4000 94.6310 93.3000 93.3000
A0-J6 139.2360 139.2530 3.6710 3.7760
B5-J2 73.2580 73.4550 62.9000 63.0000
B5-J6 178.9620 178.9340 353.5440 353.6220
J2-J6 167.7430 167.7310 329.4300 329.4380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60677.2631342611
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD98748
RA 170.452494
DEC -0.05384
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
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.527
HIERARCH ESO ISS PBL12 END 48.533
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 94.4
HIERARCH ESO ISS PBL13 END 94.631
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 139.236
HIERARCH ESO ISS PBL14 END 139.253
HIERARCH ESO ISS PBLA14 START 3.671
HIERARCH ESO ISS PBLA14 END 3.776
HIERARCH ESO ISS PBL23 START 73.258
HIERARCH ESO ISS PBL23 END 73.455
HIERARCH ESO ISS PBLA23 START 62.9
HIERARCH ESO ISS PBLA23 END 63.0
HIERARCH ESO ISS PBL24 START 178.962
HIERARCH ESO ISS PBL24 END 178.934
HIERARCH ESO ISS PBLA24 START 353.544
HIERARCH ESO ISS PBLA24 END 353.622
HIERARCH ESO ISS PBL34 START 167.743
HIERARCH ESO ISS PBL34 END 167.731
HIERARCH ESO ISS PBLA34 START 329.43
HIERARCH ESO ISS PBLA34 END 329.438
HIERARCH ESO ISS AMBI TAU0 START 0.009089
HIERARCH ESO ISS AMBI TAU0 END 0.009089
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49