Exposure
ID
PIONI.2025-03-24T08:39:30.358_1
Header ID
PIONI.2025-03-24T08:39:30.358
Date updated
2025-03-24 08:45:49 UTC+0000
Release date
2026-03-24 08:45:49 UTC+0000
UTC Start
2025-03-24 08:39:30.358
UTC End
2025-03-24 08:39:55.958
MJD Start
60758.3607680341
MJD End
60758.3610643304
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002722
Ambient temperature (°C)
12.79
Seeing (arcsec)
1.14
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 88.2730 88.2250 113.0000 113.0000
A0-J2 129.1800 129.1690 92.4000 92.4000
A0-K0 126.4260 126.4760 73.3350 73.3280
G1-J2 55.9330 55.9690 58.7000 58.8000
G1-K0 81.2210 81.2720 29.3920 29.4430
J2-K0 42.4910 42.4800 349.2140 349.2840
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 60758.3607680341
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 88.273
HIERARCH ESO ISS PBL12 END 88.225
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 129.18
HIERARCH ESO ISS PBL13 END 129.169
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 126.426
HIERARCH ESO ISS PBL14 END 126.476
HIERARCH ESO ISS PBLA14 START 73.335
HIERARCH ESO ISS PBLA14 END 73.328
HIERARCH ESO ISS PBL23 START 55.933
HIERARCH ESO ISS PBL23 END 55.969
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 81.221
HIERARCH ESO ISS PBL24 END 81.272
HIERARCH ESO ISS PBLA24 START 29.392
HIERARCH ESO ISS PBLA24 END 29.443
HIERARCH ESO ISS PBL34 START 42.491
HIERARCH ESO ISS PBL34 END 42.48
HIERARCH ESO ISS PBLA34 START 349.214
HIERARCH ESO ISS PBLA34 END 349.284
HIERARCH ESO ISS AMBI TAU0 START 0.002722
HIERARCH ESO ISS AMBI TAU0 END 0.002722
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.14