Exposure
ID
PIONI.2025-07-22T07:16:15.030_1
Header ID
PIONI.2025-07-22T07:16:15.030
Date updated
2025-07-22 07:20:47 UTC+0000
Release date
2025-07-22 07:16:15 UTC+0000
UTC Start
2025-07-22 07:16:15.030
UTC End
2025-07-22 07:16:40.630
MJD Start
60878.3029517387
MJD End
60878.303248034994
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009919
Ambient temperature (°C)
14.24
Seeing (arcsec)
0.37
Observation
ID
68912
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
51275
Name
HD224481
RA
359.587771
DEC
-15.84753
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 87.5640 87.6180 110.8000 110.8000
A0-J2 121.6510 121.7610 87.1000 87.1000
A0-K0 119.0320 119.1380 63.8180 63.8840
G1-J2 54.4160 54.4540 46.7000 46.8000
G1-K0 87.2100 87.2270 16.6180 16.6970
J2-K0 48.5310 48.5280 342.4040 342.4540
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 60878.3029517387
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD224481
RA 359.587771
DEC -15.84753
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 87.564
HIERARCH ESO ISS PBL12 END 87.618
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 121.651
HIERARCH ESO ISS PBL13 END 121.761
HIERARCH ESO ISS PBLA13 START 87.1
HIERARCH ESO ISS PBLA13 END 87.1
HIERARCH ESO ISS PBL14 START 119.032
HIERARCH ESO ISS PBL14 END 119.138
HIERARCH ESO ISS PBLA14 START 63.818
HIERARCH ESO ISS PBLA14 END 63.884
HIERARCH ESO ISS PBL23 START 54.416
HIERARCH ESO ISS PBL23 END 54.454
HIERARCH ESO ISS PBLA23 START 46.7
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 87.21
HIERARCH ESO ISS PBL24 END 87.227
HIERARCH ESO ISS PBLA24 START 16.618
HIERARCH ESO ISS PBLA24 END 16.697
HIERARCH ESO ISS PBL34 START 48.531
HIERARCH ESO ISS PBL34 END 48.528
HIERARCH ESO ISS PBLA34 START 342.404
HIERARCH ESO ISS PBLA34 END 342.454
HIERARCH ESO ISS AMBI TAU0 START 0.009874
HIERARCH ESO ISS AMBI TAU0 END 0.009964
HIERARCH ESO ISS AMBI TEMP 14.24
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37