Exposure
ID
PIONI.2025-01-02T06:17:39.862_1
Header ID
PIONI.2025-01-02T06:17:39.862
Date updated
2025-01-02 06:25:39 UTC+0000
Release date
2025-01-02 06:17:39 UTC+0000
UTC Start
2025-01-02 06:17:39.862
UTC End
2025-01-02 06:18:05.462
MJD Start
60677.2622669199
MJD End
60677.262563216194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0098105
Ambient temperature (°C)
13.83
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 48.5150 48.5210 143.3000 143.3000
A0-J2 93.9170 94.1500 93.3000 93.3000
A0-J6 139.2030 139.2190 3.4510 3.5560
B5-J2 72.8450 73.0430 62.7000 62.8000
B5-J6 179.0200 178.9920 353.3790 353.4570
J2-J6 167.7670 167.7560 329.4150 329.4220
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 60677.2622669199
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 48.515
HIERARCH ESO ISS PBL12 END 48.521
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 93.917
HIERARCH ESO ISS PBL13 END 94.15
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 139.203
HIERARCH ESO ISS PBL14 END 139.219
HIERARCH ESO ISS PBLA14 START 3.451
HIERARCH ESO ISS PBLA14 END 3.556
HIERARCH ESO ISS PBL23 START 72.845
HIERARCH ESO ISS PBL23 END 73.043
HIERARCH ESO ISS PBLA23 START 62.7
HIERARCH ESO ISS PBLA23 END 62.8
HIERARCH ESO ISS PBL24 START 179.02
HIERARCH ESO ISS PBL24 END 178.992
HIERARCH ESO ISS PBLA24 START 353.379
HIERARCH ESO ISS PBLA24 END 353.457
HIERARCH ESO ISS PBL34 START 167.767
HIERARCH ESO ISS PBL34 END 167.756
HIERARCH ESO ISS PBLA34 START 329.415
HIERARCH ESO ISS PBLA34 END 329.422
HIERARCH ESO ISS AMBI TAU0 START 0.010532
HIERARCH ESO ISS AMBI TAU0 END 0.009089
HIERARCH ESO ISS AMBI TEMP 13.83
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49