Exposure
ID
PIONI.2025-07-21T09:33:56.252_1
Header ID
PIONI.2025-07-21T09:33:56.252
Date updated
2025-07-21 09:40:39 UTC+0000
Release date
2025-07-21 09:33:56 UTC+0000
UTC Start
2025-07-21 09:33:56.252
UTC End
2025-07-21 09:34:21.852
MJD Start
60877.3985677329
MJD End
60877.398864029194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004324
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.73
Observation
ID
68905
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
51268
Name
HD23593
RA
55.641604
DEC
-64.19512
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 74.4150 74.4710 71.6000 71.7000
A0-J2 121.8870 121.9260 51.9000 52.0000
A0-K0 127.7510 127.7560 36.6880 36.8260
G1-J2 57.5970 57.5920 26.0000 26.2000
G1-K0 79.1570 79.1530 4.1470 4.2450
J2-K0 33.5010 33.5240 324.2830 324.3610
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 60877.3985677329
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD23593
RA 55.641604
DEC -64.19512
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 74.415
HIERARCH ESO ISS PBL12 END 74.471
HIERARCH ESO ISS PBLA12 START 71.6
HIERARCH ESO ISS PBLA12 END 71.7
HIERARCH ESO ISS PBL13 START 121.887
HIERARCH ESO ISS PBL13 END 121.926
HIERARCH ESO ISS PBLA13 START 51.9
HIERARCH ESO ISS PBLA13 END 52.0
HIERARCH ESO ISS PBL14 START 127.751
HIERARCH ESO ISS PBL14 END 127.756
HIERARCH ESO ISS PBLA14 START 36.688
HIERARCH ESO ISS PBLA14 END 36.826
HIERARCH ESO ISS PBL23 START 57.597
HIERARCH ESO ISS PBL23 END 57.592
HIERARCH ESO ISS PBLA23 START 26.0
HIERARCH ESO ISS PBLA23 END 26.2
HIERARCH ESO ISS PBL24 START 79.157
HIERARCH ESO ISS PBL24 END 79.153
HIERARCH ESO ISS PBLA24 START 4.147
HIERARCH ESO ISS PBLA24 END 4.245
HIERARCH ESO ISS PBL34 START 33.501
HIERARCH ESO ISS PBL34 END 33.524
HIERARCH ESO ISS PBLA34 START 324.283
HIERARCH ESO ISS PBLA34 END 324.361
HIERARCH ESO ISS AMBI TAU0 START 0.004324
HIERARCH ESO ISS AMBI TAU0 END 0.004324
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73