Exposure
ID
PIONI.2025-01-01T07:39:04.526_1
Header ID
PIONI.2025-01-01T07:39:04.526
Date updated
2025-01-01 07:45:50 UTC+0000
Release date
2025-01-01 07:39:04 UTC+0000
UTC Start
2025-01-01 07:39:04.527
UTC End
2025-01-01 07:39:30.127
MJD Start
60676.3188023926
MJD End
60676.319098688895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004313
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.87
Observation
ID
63046
Category
calibrator
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46961
Name
HD91802
RA
159.00558
DEC
2.74759
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.7260 46.7060 145.1000 145.1000
A0-J2 126.2090 126.2820 93.2000 93.2000
A0-J6 146.4920 146.5790 22.9950 23.0680
B5-J2 104.0650 104.1680 72.5000 72.5000
B5-J6 175.8220 175.8680 9.9810 10.0570
J2-J6 157.6960 157.6300 334.1400 334.1830
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60676.3188023926
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD91802
RA 159.00558
DEC 2.74759
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.726
HIERARCH ESO ISS PBL12 END 46.706
HIERARCH ESO ISS PBLA12 START 145.1
HIERARCH ESO ISS PBLA12 END 145.1
HIERARCH ESO ISS PBL13 START 126.209
HIERARCH ESO ISS PBL13 END 126.282
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 146.492
HIERARCH ESO ISS PBL14 END 146.579
HIERARCH ESO ISS PBLA14 START 22.995
HIERARCH ESO ISS PBLA14 END 23.068
HIERARCH ESO ISS PBL23 START 104.065
HIERARCH ESO ISS PBL23 END 104.168
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 175.822
HIERARCH ESO ISS PBL24 END 175.868
HIERARCH ESO ISS PBLA24 START 9.981
HIERARCH ESO ISS PBLA24 END 10.057
HIERARCH ESO ISS PBL34 START 157.696
HIERARCH ESO ISS PBL34 END 157.63
HIERARCH ESO ISS PBLA34 START 334.14
HIERARCH ESO ISS PBLA34 END 334.183
HIERARCH ESO ISS AMBI TAU0 START 0.004313
HIERARCH ESO ISS AMBI TAU0 END 0.004313
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.89