Exposure
ID
PIONI.2025-04-29T05:02:58.866_1
Header ID
PIONI.2025-04-29T05:02:58.866
Date updated
2025-04-29 05:10:47 UTC+0000
Release date
2026-04-29 05:10:47 UTC+0000
UTC Start
2025-04-29 05:02:58.866
UTC End
2025-04-29 05:03:37.266
MJD Start
60794.2104035374
MJD End
60794.21084798184
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005696
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.42500000000000004
Observation
ID
67040
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
49848
Name
HIP78685
RA
240.939048
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 90.2380 90.2600 114.1000 114.1000
A0-J2 123.5830 123.7160 94.2000 94.2000
A0-K0 114.1460 114.3420 73.1990 73.2090
G1-J2 49.4090 49.4990 55.8000 55.9000
G1-K0 74.8180 74.8830 21.0600 21.1690
J2-K0 44.3140 44.2920 341.6100 341.6770
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 60794.2104035374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP78685
RA 240.939048
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.238
HIERARCH ESO ISS PBL12 END 90.26
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 123.583
HIERARCH ESO ISS PBL13 END 123.716
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 114.146
HIERARCH ESO ISS PBL14 END 114.342
HIERARCH ESO ISS PBLA14 START 73.199
HIERARCH ESO ISS PBLA14 END 73.209
HIERARCH ESO ISS PBL23 START 49.409
HIERARCH ESO ISS PBL23 END 49.499
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 74.818
HIERARCH ESO ISS PBL24 END 74.883
HIERARCH ESO ISS PBLA24 START 21.06
HIERARCH ESO ISS PBLA24 END 21.169
HIERARCH ESO ISS PBL34 START 44.314
HIERARCH ESO ISS PBL34 END 44.292
HIERARCH ESO ISS PBLA34 START 341.61
HIERARCH ESO ISS PBLA34 END 341.677
HIERARCH ESO ISS AMBI TAU0 START 0.005319
HIERARCH ESO ISS AMBI TAU0 END 0.006073
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.39