Exposure
ID
PIONI.2025-03-21T00:51:49.990_1
Header ID
PIONI.2025-03-21T00:51:49.990
Date updated
2025-03-21 01:00:45 UTC+0000
Release date
2025-03-21 00:51:49 UTC+0000
UTC Start
2025-03-21 00:51:49.991
UTC End
2025-03-21 00:52:28.391
MJD Start
60755.0359952645
MJD End
60755.03643970894
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0059115
Ambient temperature (°C)
16.46
Seeing (arcsec)
0.87
Observation
ID
65724
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
48897
Name
HD31575
RA
73.23757
DEC
-61.38317
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 90.4690 90.4670 152.3000 152.4000
A0-J2 122.2900 122.2410 136.4000 136.6000
A0-K0 106.6260 106.5190 118.3320 118.5430
G1-J2 43.1000 43.0340 101.3000 101.5000
G1-K0 59.5350 59.4330 60.3460 60.4700
J2-K0 39.0720 39.0600 14.0320 14.1410
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 60755.0359952645
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD31575
RA 73.23757
DEC -61.38317
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.469
HIERARCH ESO ISS PBL12 END 90.467
HIERARCH ESO ISS PBLA12 START 152.3
HIERARCH ESO ISS PBLA12 END 152.4
HIERARCH ESO ISS PBL13 START 122.29
HIERARCH ESO ISS PBL13 END 122.241
HIERARCH ESO ISS PBLA13 START 136.4
HIERARCH ESO ISS PBLA13 END 136.6
HIERARCH ESO ISS PBL14 START 106.626
HIERARCH ESO ISS PBL14 END 106.519
HIERARCH ESO ISS PBLA14 START 118.332
HIERARCH ESO ISS PBLA14 END 118.543
HIERARCH ESO ISS PBL23 START 43.1
HIERARCH ESO ISS PBL23 END 43.034
HIERARCH ESO ISS PBLA23 START 101.3
HIERARCH ESO ISS PBLA23 END 101.5
HIERARCH ESO ISS PBL24 START 59.535
HIERARCH ESO ISS PBL24 END 59.433
HIERARCH ESO ISS PBLA24 START 60.346
HIERARCH ESO ISS PBLA24 END 60.47
HIERARCH ESO ISS PBL34 START 39.072
HIERARCH ESO ISS PBL34 END 39.06
HIERARCH ESO ISS PBLA34 START 14.032
HIERARCH ESO ISS PBLA34 END 14.141
HIERARCH ESO ISS AMBI TAU0 START 0.005839
HIERARCH ESO ISS AMBI TAU0 END 0.005984
HIERARCH ESO ISS AMBI TEMP 16.46
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.85