Exposure
ID
PIONI.2025-07-22T07:44:01.503_1
Header ID
PIONI.2025-07-22T07:44:01.503
Date updated
2025-07-22 07:50:58 UTC+0000
Release date
2025-07-22 07:44:01 UTC+0000
UTC Start
2025-07-22 07:44:01.503
UTC End
2025-07-22 07:44:27.103
MJD Start
60878.3222396234
MJD End
60878.322535919695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006731
Ambient temperature (°C)
14.22
Seeing (arcsec)
0.33
Observation
ID
68915
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
51278
Name
HD693
RA
2.814434
DEC
-15.46951
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 88.7970 88.8380 111.6000 111.6000
A0-J2 124.1400 124.2310 88.2000 88.3000
A0-K0 121.3970 121.4900 65.5020 65.5620
G1-J2 55.2390 55.2740 48.7000 48.8000
G1-K0 87.5100 87.5280 18.5740 18.6500
J2-K0 48.4320 48.4290 343.6770 343.7300
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 60878.3222396234
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD693
RA 2.814434
DEC -15.46951
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 88.797
HIERARCH ESO ISS PBL12 END 88.838
HIERARCH ESO ISS PBLA12 START 111.6
HIERARCH ESO ISS PBLA12 END 111.6
HIERARCH ESO ISS PBL13 START 124.14
HIERARCH ESO ISS PBL13 END 124.231
HIERARCH ESO ISS PBLA13 START 88.2
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 121.397
HIERARCH ESO ISS PBL14 END 121.49
HIERARCH ESO ISS PBLA14 START 65.502
HIERARCH ESO ISS PBLA14 END 65.562
HIERARCH ESO ISS PBL23 START 55.239
HIERARCH ESO ISS PBL23 END 55.274
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.8
HIERARCH ESO ISS PBL24 START 87.51
HIERARCH ESO ISS PBL24 END 87.528
HIERARCH ESO ISS PBLA24 START 18.574
HIERARCH ESO ISS PBLA24 END 18.65
HIERARCH ESO ISS PBL34 START 48.432
HIERARCH ESO ISS PBL34 END 48.429
HIERARCH ESO ISS PBLA34 START 343.677
HIERARCH ESO ISS PBLA34 END 343.73
HIERARCH ESO ISS AMBI TAU0 START 0.006731
HIERARCH ESO ISS AMBI TAU0 END 0.006731
HIERARCH ESO ISS AMBI TEMP 14.22
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33