Exposure
ID
PIONI.2025-08-29T04:05:04.180_1
Header ID
PIONI.2025-08-29T04:05:04.180
Date updated
2025-08-29 04:15:50 UTC+0000
Release date
2025-08-29 04:05:04 UTC+0000
UTC Start
2025-08-29 04:05:04.180
UTC End
2025-08-29 04:05:42.580
MJD Start
60916.1701872703
MJD End
60916.17063171474
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006848
Ambient temperature (°C)
12.0
Seeing (arcsec)
0.34
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 73.1140 73.0050 141.6000 141.8000
A0-J2 96.2140 95.9510 112.5000 112.6000
A0-K0 98.0380 97.7680 83.6310 83.6810
G1-J2 48.0200 47.9210 64.8000 64.8000
G1-K0 85.7380 85.6800 37.3400 37.3570
J2-K0 48.4830 48.4860 10.1590 10.2410
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 60916.1701872703
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 73.114
HIERARCH ESO ISS PBL12 END 73.005
HIERARCH ESO ISS PBLA12 START 141.6
HIERARCH ESO ISS PBLA12 END 141.8
HIERARCH ESO ISS PBL13 START 96.214
HIERARCH ESO ISS PBL13 END 95.951
HIERARCH ESO ISS PBLA13 START 112.5
HIERARCH ESO ISS PBLA13 END 112.6
HIERARCH ESO ISS PBL14 START 98.038
HIERARCH ESO ISS PBL14 END 97.768
HIERARCH ESO ISS PBLA14 START 83.631
HIERARCH ESO ISS PBLA14 END 83.681
HIERARCH ESO ISS PBL23 START 48.02
HIERARCH ESO ISS PBL23 END 47.921
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.8
HIERARCH ESO ISS PBL24 START 85.738
HIERARCH ESO ISS PBL24 END 85.68
HIERARCH ESO ISS PBLA24 START 37.34
HIERARCH ESO ISS PBLA24 END 37.357
HIERARCH ESO ISS PBL34 START 48.483
HIERARCH ESO ISS PBL34 END 48.486
HIERARCH ESO ISS PBLA34 START 10.159
HIERARCH ESO ISS PBLA34 END 10.241
HIERARCH ESO ISS AMBI TAU0 START 0.006848
HIERARCH ESO ISS AMBI TAU0 END 0.006848
HIERARCH ESO ISS AMBI TEMP 12.0
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34