Exposure
ID
PIONI.2025-03-22T00:39:56.172_1
Header ID
PIONI.2025-03-22T00:39:56.172
Date updated
2025-03-22 00:45:42 UTC+0000
Release date
2025-03-22 00:39:56 UTC+0000
UTC Start
2025-03-22 00:39:56.172
UTC End
2025-03-22 00:40:21.772
MJD Start
60756.027733468
MJD End
60756.0280297643
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006736
Ambient temperature (°C)
15.38
Seeing (arcsec)
0.56
Observation
ID
65758
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
48929
Name
HD26429
RA
62.182487
DEC
-47.39414
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 86.7530 86.7360 159.4000 159.6000
A0-J2 108.5860 108.5080 141.1000 141.3000
A0-K0 90.8080 90.6660 117.5510 117.7090
G1-J2 37.8170 37.7390 95.0000 95.2000
G1-K0 63.5780 63.4880 51.9180 51.9650
J2-K0 44.3010 44.2900 16.2160 16.2820
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 60756.027733468
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD26429
RA 62.182487
DEC -47.39414
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 86.753
HIERARCH ESO ISS PBL12 END 86.736
HIERARCH ESO ISS PBLA12 START 159.4
HIERARCH ESO ISS PBLA12 END 159.6
HIERARCH ESO ISS PBL13 START 108.586
HIERARCH ESO ISS PBL13 END 108.508
HIERARCH ESO ISS PBLA13 START 141.1
HIERARCH ESO ISS PBLA13 END 141.3
HIERARCH ESO ISS PBL14 START 90.808
HIERARCH ESO ISS PBL14 END 90.666
HIERARCH ESO ISS PBLA14 START 117.551
HIERARCH ESO ISS PBLA14 END 117.709
HIERARCH ESO ISS PBL23 START 37.817
HIERARCH ESO ISS PBL23 END 37.739
HIERARCH ESO ISS PBLA23 START 95.0
HIERARCH ESO ISS PBLA23 END 95.2
HIERARCH ESO ISS PBL24 START 63.578
HIERARCH ESO ISS PBL24 END 63.488
HIERARCH ESO ISS PBLA24 START 51.918
HIERARCH ESO ISS PBLA24 END 51.965
HIERARCH ESO ISS PBL34 START 44.301
HIERARCH ESO ISS PBL34 END 44.29
HIERARCH ESO ISS PBLA34 START 16.216
HIERARCH ESO ISS PBLA34 END 16.282
HIERARCH ESO ISS AMBI TAU0 START 0.006914
HIERARCH ESO ISS AMBI TAU0 END 0.006558
HIERARCH ESO ISS AMBI TEMP 15.38
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.5