Exposure
ID
PIONI.2025-07-19T06:46:27.424_1
Header ID
PIONI.2025-07-19T06:46:27.424
Date updated
2025-07-19 06:55:42 UTC+0000
Release date
2025-07-19 06:46:27 UTC+0000
UTC Start
2025-07-19 06:46:27.423
UTC End
2025-07-19 06:47:05.823
MJD Start
60875.2822618457
MJD End
60875.28270629014
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003256
Ambient temperature (°C)
12.89
Seeing (arcsec)
1.1549999999999998
Observation
ID
68860
Category
calibrator
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
51229
Name
HD174423
RA
282.781074
DEC
-19.61615
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 73.0910 72.9800 141.6000 141.8000
A0-J2 96.1580 95.8900 112.5000 112.7000
A0-K0 97.9820 97.7060 83.6410 83.6920
G1-J2 47.9990 47.8990 64.8000 64.8000
G1-K0 85.7260 85.6670 37.3440 37.3610
J2-K0 48.4840 48.4860 10.1760 10.2600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60875.2822618457
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781074
DEC -19.61615
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 73.091
HIERARCH ESO ISS PBL12 END 72.98
HIERARCH ESO ISS PBLA12 START 141.6
HIERARCH ESO ISS PBLA12 END 141.8
HIERARCH ESO ISS PBL13 START 96.158
HIERARCH ESO ISS PBL13 END 95.89
HIERARCH ESO ISS PBLA13 START 112.5
HIERARCH ESO ISS PBLA13 END 112.7
HIERARCH ESO ISS PBL14 START 97.982
HIERARCH ESO ISS PBL14 END 97.706
HIERARCH ESO ISS PBLA14 START 83.641
HIERARCH ESO ISS PBLA14 END 83.692
HIERARCH ESO ISS PBL23 START 47.999
HIERARCH ESO ISS PBL23 END 47.899
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.8
HIERARCH ESO ISS PBL24 START 85.726
HIERARCH ESO ISS PBL24 END 85.667
HIERARCH ESO ISS PBLA24 START 37.344
HIERARCH ESO ISS PBLA24 END 37.361
HIERARCH ESO ISS PBL34 START 48.484
HIERARCH ESO ISS PBL34 END 48.486
HIERARCH ESO ISS PBLA34 START 10.176
HIERARCH ESO ISS PBLA34 END 10.26
HIERARCH ESO ISS AMBI TAU0 START 0.003256
HIERARCH ESO ISS AMBI TAU0 END 0.003256
HIERARCH ESO ISS AMBI TEMP 12.89
HIERARCH ESO ISS AMBI FWHM START 1.18
HIERARCH ESO ISS AMBI FWHM END 1.13