Exposure
ID
PIONI.2025-03-20T23:48:06.356_1
Header ID
PIONI.2025-03-20T23:48:06.356
Date updated
2025-03-20 23:55:41 UTC+0000
Release date
2025-03-20 23:48:06 UTC+0000
UTC Start
2025-03-20 23:48:06.356
UTC End
2025-03-20 23:48:44.756
MJD Start
60754.9917402291
MJD End
60754.992184673545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007579
Ambient temperature (°C)
18.0
Seeing (arcsec)
1.07
Observation
ID
65723
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
48896
Name
HD31575
RA
73.237571
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 90.4090 90.4140 138.3000 138.5000
A0-J2 125.9710 125.9300 121.0000 121.2000
A0-K0 114.6090 114.5160 102.7550 102.9410
G1-J2 47.9100 47.8540 86.8000 87.0000
G1-K0 66.6590 66.5790 50.7510 50.8710
J2-K0 39.7190 39.7140 5.4670 5.5750
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 60754.9917402291
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD31575
RA 73.237571
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 90.409
HIERARCH ESO ISS PBL12 END 90.414
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 138.5
HIERARCH ESO ISS PBL13 START 125.971
HIERARCH ESO ISS PBL13 END 125.93
HIERARCH ESO ISS PBLA13 START 121.0
HIERARCH ESO ISS PBLA13 END 121.2
HIERARCH ESO ISS PBL14 START 114.609
HIERARCH ESO ISS PBL14 END 114.516
HIERARCH ESO ISS PBLA14 START 102.755
HIERARCH ESO ISS PBLA14 END 102.941
HIERARCH ESO ISS PBL23 START 47.91
HIERARCH ESO ISS PBL23 END 47.854
HIERARCH ESO ISS PBLA23 START 86.8
HIERARCH ESO ISS PBLA23 END 87.0
HIERARCH ESO ISS PBL24 START 66.659
HIERARCH ESO ISS PBL24 END 66.579
HIERARCH ESO ISS PBLA24 START 50.751
HIERARCH ESO ISS PBLA24 END 50.871
HIERARCH ESO ISS PBL34 START 39.719
HIERARCH ESO ISS PBL34 END 39.714
HIERARCH ESO ISS PBLA34 START 5.467
HIERARCH ESO ISS PBLA34 END 5.575
HIERARCH ESO ISS AMBI TAU0 START 0.007579
HIERARCH ESO ISS AMBI TAU0 END 0.007579
HIERARCH ESO ISS AMBI TEMP 18.0
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 1.07