Exposure
ID
PIONI.2025-03-24T08:38:15.566_1
Header ID
PIONI.2025-03-24T08:38:15.566
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 08:38:15.565
UTC End
2025-03-24 08:38:41.165
MJD Start
60758.3599023754
MJD End
60758.3601986717
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002773
Ambient temperature (°C)
12.8
Seeing (arcsec)
1.08
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 88.3720 88.3250 113.0000 113.0000
A0-J2 129.1990 129.1900 92.5000 92.4000
A0-K0 126.3210 126.3720 73.3470 73.3410
G1-J2 55.8570 55.8940 58.7000 58.7000
G1-K0 81.1140 81.1660 29.2860 29.3360
J2-K0 42.5150 42.5040 349.0720 349.1400
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 60758.3599023754
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 88.372
HIERARCH ESO ISS PBL12 END 88.325
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 129.199
HIERARCH ESO ISS PBL13 END 129.19
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 126.321
HIERARCH ESO ISS PBL14 END 126.372
HIERARCH ESO ISS PBLA14 START 73.347
HIERARCH ESO ISS PBLA14 END 73.341
HIERARCH ESO ISS PBL23 START 55.857
HIERARCH ESO ISS PBL23 END 55.894
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 81.114
HIERARCH ESO ISS PBL24 END 81.166
HIERARCH ESO ISS PBLA24 START 29.286
HIERARCH ESO ISS PBLA24 END 29.336
HIERARCH ESO ISS PBL34 START 42.515
HIERARCH ESO ISS PBL34 END 42.504
HIERARCH ESO ISS PBLA34 START 349.072
HIERARCH ESO ISS PBLA34 END 349.14
HIERARCH ESO ISS AMBI TAU0 START 0.002773
HIERARCH ESO ISS AMBI TAU0 END 0.002773
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08