Exposure
ID
PIONI.2025-01-04T04:52:49.017_1
Header ID
PIONI.2025-01-04T04:52:49.017
Date updated
2025-01-04 05:00:41 UTC+0000
Release date
2026-01-04 05:00:41 UTC+0000
UTC Start
2025-01-04 04:52:49.016
UTC End
2025-01-04 04:53:27.416
MJD Start
60679.2033450976
MJD End
60679.20378954204
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004046
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.9
Observation
ID
63097
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
47007
Name
HIP51077
RA
156.539491
DEC
-42.73871
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 37.4670 37.5270 130.3000 130.4000
A0-J2 105.1800 105.3360 54.0000 54.2000
A0-J6 168.1890 168.1890 359.7540 359.8710
B5-J2 102.9620 103.0240 33.3000 33.5000
B5-J6 194.6460 194.6670 351.3480 351.4440
J2-J6 136.6820 136.8390 321.1100 321.1650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60679.2033450976
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP51077
RA 156.539491
DEC -42.73871
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 37.467
HIERARCH ESO ISS PBL12 END 37.527
HIERARCH ESO ISS PBLA12 START 130.3
HIERARCH ESO ISS PBLA12 END 130.4
HIERARCH ESO ISS PBL13 START 105.18
HIERARCH ESO ISS PBL13 END 105.336
HIERARCH ESO ISS PBLA13 START 54.0
HIERARCH ESO ISS PBLA13 END 54.2
HIERARCH ESO ISS PBL14 START 168.189
HIERARCH ESO ISS PBL14 END 168.189
HIERARCH ESO ISS PBLA14 START 359.754
HIERARCH ESO ISS PBLA14 END 359.871
HIERARCH ESO ISS PBL23 START 102.962
HIERARCH ESO ISS PBL23 END 103.024
HIERARCH ESO ISS PBLA23 START 33.3
HIERARCH ESO ISS PBLA23 END 33.5
HIERARCH ESO ISS PBL24 START 194.646
HIERARCH ESO ISS PBL24 END 194.667
HIERARCH ESO ISS PBLA24 START 351.348
HIERARCH ESO ISS PBLA24 END 351.444
HIERARCH ESO ISS PBL34 START 136.682
HIERARCH ESO ISS PBL34 END 136.839
HIERARCH ESO ISS PBLA34 START 321.11
HIERARCH ESO ISS PBLA34 END 321.165
HIERARCH ESO ISS AMBI TAU0 START 0.004046
HIERARCH ESO ISS AMBI TAU0 END 0.004046
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9