Exposure
ID
PIONI.2025-03-31T08:01:12.139_1
Header ID
PIONI.2025-03-31T08:01:12.139
Date updated
2025-03-31 08:10:56 UTC+0000
Release date
2025-03-31 08:01:12 UTC+0000
UTC Start
2025-03-31 08:01:12.140
UTC End
2025-03-31 08:01:37.740
MJD Start
60765.3341682814
MJD End
60765.334464577696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008988
Ambient temperature (°C)
13.99
Seeing (arcsec)
0.39
Observation
ID
65980
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
49118
Name
HD149934
RA
249.6447
DEC
-18.82576
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.2240 67.2540 268.0000 268.0000
K0-D0 93.9710 94.0150 247.0000 247.1000
K0-J3 56.5630 56.5630 328.7670 328.8160
G2-D0 39.3380 39.3460 209.5000 209.5000
G2-J3 63.3260 63.3440 36.7070 36.7770
D0-J3 102.4690 102.4960 33.9310 34.0020
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 60765.3341682814
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD149934
RA 249.6447
DEC -18.82576
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.224
HIERARCH ESO ISS PBL12 END 67.254
HIERARCH ESO ISS PBLA12 START 268.0
HIERARCH ESO ISS PBLA12 END 268.0
HIERARCH ESO ISS PBL13 START 93.971
HIERARCH ESO ISS PBL13 END 94.015
HIERARCH ESO ISS PBLA13 START 247.0
HIERARCH ESO ISS PBLA13 END 247.1
HIERARCH ESO ISS PBL14 START 56.563
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 328.767
HIERARCH ESO ISS PBLA14 END 328.816
HIERARCH ESO ISS PBL23 START 39.338
HIERARCH ESO ISS PBL23 END 39.346
HIERARCH ESO ISS PBLA23 START 209.5
HIERARCH ESO ISS PBLA23 END 209.5
HIERARCH ESO ISS PBL24 START 63.326
HIERARCH ESO ISS PBL24 END 63.344
HIERARCH ESO ISS PBLA24 START 36.707
HIERARCH ESO ISS PBLA24 END 36.777
HIERARCH ESO ISS PBL34 START 102.469
HIERARCH ESO ISS PBL34 END 102.496
HIERARCH ESO ISS PBLA34 START 33.931
HIERARCH ESO ISS PBLA34 END 34.002
HIERARCH ESO ISS AMBI TAU0 START 0.008988
HIERARCH ESO ISS AMBI TAU0 END 0.008988
HIERARCH ESO ISS AMBI TEMP 13.99
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.38