Exposure
ID
PIONI.2025-07-21T07:37:15.183_1
Header ID
PIONI.2025-07-21T07:37:15.183
Date updated
2025-07-21 07:45:50 UTC+0000
Release date
2025-07-21 07:37:15 UTC+0000
UTC Start
2025-07-21 07:37:15.183
UTC End
2025-07-21 07:37:40.783
MJD Start
60877.3175368374
MJD End
60877.3178331337
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006018
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.49
Observation
ID
68898
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
51261
Name
HD221599
RA
353.345124
DEC
4.63923
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 90.3940 90.3830 113.4000 113.3000
A0-J2 127.6450 127.6970 93.4000 93.4000
A0-K0 120.8980 121.0020 73.4460 73.4480
G1-J2 52.7040 52.7590 57.5000 57.5000
G1-K0 77.6050 77.6560 25.0800 25.1490
J2-K0 43.5060 43.4910 344.6170 344.6770
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 60877.3175368374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD221599
RA 353.345124
DEC 4.63923
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 90.394
HIERARCH ESO ISS PBL12 END 90.383
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 127.645
HIERARCH ESO ISS PBL13 END 127.697
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 120.898
HIERARCH ESO ISS PBL14 END 121.002
HIERARCH ESO ISS PBLA14 START 73.446
HIERARCH ESO ISS PBLA14 END 73.448
HIERARCH ESO ISS PBL23 START 52.704
HIERARCH ESO ISS PBL23 END 52.759
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 77.605
HIERARCH ESO ISS PBL24 END 77.656
HIERARCH ESO ISS PBLA24 START 25.08
HIERARCH ESO ISS PBLA24 END 25.149
HIERARCH ESO ISS PBL34 START 43.506
HIERARCH ESO ISS PBL34 END 43.491
HIERARCH ESO ISS PBLA34 START 344.617
HIERARCH ESO ISS PBLA34 END 344.677
HIERARCH ESO ISS AMBI TAU0 START 0.006018
HIERARCH ESO ISS AMBI TAU0 END 0.006018
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49