Exposure
ID
PIONI.2025-03-24T08:51:19.971_1
Header ID
PIONI.2025-03-24T08:51:19.971
Date updated
2025-03-24 08:55:44 UTC+0000
Release date
2026-03-24 08:55:44 UTC+0000
UTC Start
2025-03-24 08:51:19.971
UTC End
2025-03-24 08:51:45.571
MJD Start
60758.3689811509
MJD End
60758.3692774472
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0022245
Ambient temperature (°C)
12.66
Seeing (arcsec)
1.155
Observation
ID
65870
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
49028
Name
HIP78685
RA
240.939049
DEC
4.98692
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 87.2250 87.1670 113.0000 113.1000
A0-J2 128.8130 128.7850 92.2000 92.2000
A0-K0 127.2540 127.2880 73.1930 73.1850
G1-J2 56.5930 56.6230 58.9000 58.9000
G1-K0 82.2180 82.2680 30.3560 30.4030
J2-K0 42.2750 42.2650 350.6000 350.6720
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 60758.3689811509
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP78685
RA 240.939049
DEC 4.98692
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 87.225
HIERARCH ESO ISS PBL12 END 87.167
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 128.813
HIERARCH ESO ISS PBL13 END 128.785
HIERARCH ESO ISS PBLA13 START 92.2
HIERARCH ESO ISS PBLA13 END 92.2
HIERARCH ESO ISS PBL14 START 127.254
HIERARCH ESO ISS PBL14 END 127.288
HIERARCH ESO ISS PBLA14 START 73.193
HIERARCH ESO ISS PBLA14 END 73.185
HIERARCH ESO ISS PBL23 START 56.593
HIERARCH ESO ISS PBL23 END 56.623
HIERARCH ESO ISS PBLA23 START 58.9
HIERARCH ESO ISS PBLA23 END 58.9
HIERARCH ESO ISS PBL24 START 82.218
HIERARCH ESO ISS PBL24 END 82.268
HIERARCH ESO ISS PBLA24 START 30.356
HIERARCH ESO ISS PBLA24 END 30.403
HIERARCH ESO ISS PBL34 START 42.275
HIERARCH ESO ISS PBL34 END 42.265
HIERARCH ESO ISS PBLA34 START 350.6
HIERARCH ESO ISS PBLA34 END 350.672
HIERARCH ESO ISS AMBI TAU0 START 0.001837
HIERARCH ESO ISS AMBI TAU0 END 0.002612
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 1.28
HIERARCH ESO ISS AMBI FWHM END 1.03