Exposure
ID
PIONI.2025-07-22T08:11:22.754_1
Header ID
PIONI.2025-07-22T08:11:22.754
Date updated
2025-07-22 08:20:45 UTC+0000
Release date
2026-07-22 08:20:45 UTC+0000
UTC Start
2025-07-22 08:11:22.754
UTC End
2025-07-22 08:12:01.154
MJD Start
60878.3412355813
MJD End
60878.34168002574
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007561
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.28500000000000003
Observation
ID
68916
Category
science
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
51279
Name
16Psc
RA
354.095305
DEC
2.10257
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 89.1530 89.1010 113.5000 113.5000
A0-J2 129.2330 129.2350 92.6000 92.6000
A0-K0 126.0290 126.1040 72.9370 72.9350
G1-J2 55.8620 55.9120 57.9000 57.9000
G1-K0 82.1750 82.2390 28.0960 28.1670
J2-K0 43.6690 43.6540 348.6100 348.6960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60878.3412355813
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095305
DEC 2.10257
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 89.153
HIERARCH ESO ISS PBL12 END 89.101
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 129.233
HIERARCH ESO ISS PBL13 END 129.235
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 126.029
HIERARCH ESO ISS PBL14 END 126.104
HIERARCH ESO ISS PBLA14 START 72.937
HIERARCH ESO ISS PBLA14 END 72.935
HIERARCH ESO ISS PBL23 START 55.862
HIERARCH ESO ISS PBL23 END 55.912
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 82.175
HIERARCH ESO ISS PBL24 END 82.239
HIERARCH ESO ISS PBLA24 START 28.096
HIERARCH ESO ISS PBLA24 END 28.167
HIERARCH ESO ISS PBL34 START 43.669
HIERARCH ESO ISS PBL34 END 43.654
HIERARCH ESO ISS PBLA34 START 348.61
HIERARCH ESO ISS PBLA34 END 348.696
HIERARCH ESO ISS AMBI TAU0 START 0.006785
HIERARCH ESO ISS AMBI TAU0 END 0.008337
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.28