Exposure
ID
PIONI.2025-07-21T08:16:40.589_1
Header ID
PIONI.2025-07-21T08:16:40.589
Date updated
2025-07-21 08:25:49 UTC+0000
Release date
2025-07-21 08:16:40 UTC+0000
UTC Start
2025-07-21 08:16:40.589
UTC End
2025-07-21 08:17:06.189
MJD Start
60877.3449142189
MJD End
60877.345210515196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004902
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.6950000000000001
Observation
ID
68902
Category
calibrator
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
51265
Name
HD19801
RA
47.032445
DEC
-61.14972
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 68.8620 68.9260 62.7000 62.8000
A0-J2 117.0050 117.0500 41.8000 41.9000
A0-K0 126.5250 126.5360 26.8030 26.9430
G1-J2 58.1010 58.1000 16.8000 16.9000
G1-K0 81.4140 81.4160 357.1060 357.2020
J2-K0 33.1260 33.1540 320.8590 320.9320
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60877.3449142189
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD19801
RA 47.032445
DEC -61.14972
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 68.862
HIERARCH ESO ISS PBL12 END 68.926
HIERARCH ESO ISS PBLA12 START 62.7
HIERARCH ESO ISS PBLA12 END 62.8
HIERARCH ESO ISS PBL13 START 117.005
HIERARCH ESO ISS PBL13 END 117.05
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.9
HIERARCH ESO ISS PBL14 START 126.525
HIERARCH ESO ISS PBL14 END 126.536
HIERARCH ESO ISS PBLA14 START 26.803
HIERARCH ESO ISS PBLA14 END 26.943
HIERARCH ESO ISS PBL23 START 58.101
HIERARCH ESO ISS PBL23 END 58.1
HIERARCH ESO ISS PBLA23 START 16.8
HIERARCH ESO ISS PBLA23 END 16.9
HIERARCH ESO ISS PBL24 START 81.414
HIERARCH ESO ISS PBL24 END 81.416
HIERARCH ESO ISS PBLA24 START 357.106
HIERARCH ESO ISS PBLA24 END 357.202
HIERARCH ESO ISS PBL34 START 33.126
HIERARCH ESO ISS PBL34 END 33.154
HIERARCH ESO ISS PBLA34 START 320.859
HIERARCH ESO ISS PBLA34 END 320.932
HIERARCH ESO ISS AMBI TAU0 START 0.004078
HIERARCH ESO ISS AMBI TAU0 END 0.005726
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.59