Exposure
ID
PIONI.2025-07-21T09:20:50.113_1
Header ID
PIONI.2025-07-21T09:20:50.113
Date updated
2025-07-21 09:25:40 UTC+0000
Release date
2025-07-21 09:20:50 UTC+0000
UTC Start
2025-07-21 09:20:50.113
UTC End
2025-07-21 09:21:15.713
MJD Start
60877.389468899
MJD End
60877.389765195294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005951
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.65
Observation
ID
68904
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
51267
Name
HD22001
RA
52.346818
DEC
-62.93541
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 74.0560 74.1160 72.4000 72.6000
A0-J2 121.2870 121.3300 52.2000 52.4000
A0-K0 127.5940 127.6010 36.7270 36.8650
G1-J2 57.7560 57.7520 25.9000 26.1000
G1-K0 80.1040 80.1010 4.0880 4.1850
J2-K0 34.1290 34.1530 325.0330 325.1090
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 60877.389468899
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD22001
RA 52.346818
DEC -62.93541
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 74.056
HIERARCH ESO ISS PBL12 END 74.116
HIERARCH ESO ISS PBLA12 START 72.4
HIERARCH ESO ISS PBLA12 END 72.6
HIERARCH ESO ISS PBL13 START 121.287
HIERARCH ESO ISS PBL13 END 121.33
HIERARCH ESO ISS PBLA13 START 52.2
HIERARCH ESO ISS PBLA13 END 52.4
HIERARCH ESO ISS PBL14 START 127.594
HIERARCH ESO ISS PBL14 END 127.601
HIERARCH ESO ISS PBLA14 START 36.727
HIERARCH ESO ISS PBLA14 END 36.865
HIERARCH ESO ISS PBL23 START 57.756
HIERARCH ESO ISS PBL23 END 57.752
HIERARCH ESO ISS PBLA23 START 25.9
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 80.104
HIERARCH ESO ISS PBL24 END 80.101
HIERARCH ESO ISS PBLA24 START 4.088
HIERARCH ESO ISS PBLA24 END 4.185
HIERARCH ESO ISS PBL34 START 34.129
HIERARCH ESO ISS PBL34 END 34.153
HIERARCH ESO ISS PBLA34 START 325.033
HIERARCH ESO ISS PBLA34 END 325.109
HIERARCH ESO ISS AMBI TAU0 START 0.005951
HIERARCH ESO ISS AMBI TAU0 END 0.005951
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65