Exposure
ID
PIONI.2025-03-25T09:01:13.348_1
Header ID
PIONI.2025-03-25T09:01:13.348
Date updated
2025-03-25 09:10:44 UTC+0000
Release date
2026-03-25 09:10:43 UTC+0000
UTC Start
2025-03-25 09:01:13.348
UTC End
2025-03-25 09:01:38.948
MJD Start
60759.3758489392
MJD End
60759.376145235496
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002843
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.95
Observation
ID
65889
Category
science
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
49044
Name
HIP77853
RA
238.455831
DEC
-16.72854
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 88.7800 88.7410 119.0000 119.0000
A0-J2 127.5980 127.5470 95.5000 95.5000
A0-K0 127.3200 127.2880 73.7650 73.8050
G1-J2 58.1560 58.1500 58.0000 58.1000
G1-K0 90.3670 90.3720 29.5560 29.6060
J2-K0 48.0660 48.0640 354.3050 354.3710
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60759.3758489392
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP77853
RA 238.455831
DEC -16.72854
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 88.78
HIERARCH ESO ISS PBL12 END 88.741
HIERARCH ESO ISS PBLA12 START 119.0
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 127.598
HIERARCH ESO ISS PBL13 END 127.547
HIERARCH ESO ISS PBLA13 START 95.5
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 127.32
HIERARCH ESO ISS PBL14 END 127.288
HIERARCH ESO ISS PBLA14 START 73.765
HIERARCH ESO ISS PBLA14 END 73.805
HIERARCH ESO ISS PBL23 START 58.156
HIERARCH ESO ISS PBL23 END 58.15
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 90.367
HIERARCH ESO ISS PBL24 END 90.372
HIERARCH ESO ISS PBLA24 START 29.556
HIERARCH ESO ISS PBLA24 END 29.606
HIERARCH ESO ISS PBL34 START 48.066
HIERARCH ESO ISS PBL34 END 48.064
HIERARCH ESO ISS PBLA34 START 354.305
HIERARCH ESO ISS PBLA34 END 354.371
HIERARCH ESO ISS AMBI TAU0 START 0.002618
HIERARCH ESO ISS AMBI TAU0 END 0.003068
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95