Exposure
ID
PIONI.2025-07-21T06:05:55.383_1
Header ID
PIONI.2025-07-21T06:05:55.383
Date updated
2025-07-21 06:15:34 UTC+0000
Release date
2025-07-21 06:05:55 UTC+0000
UTC Start
2025-07-21 06:05:55.383
UTC End
2025-07-21 06:06:33.783
MJD Start
60877.2541132253
MJD End
60877.254557669745
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0037010000000000003
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.625
Observation
ID
68893
Category
calibrator
Program ID
115.28F2.002
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
51256
Name
HD170785
RA
277.803513
DEC
-0.44419
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 61.2730 61.0830 126.7000 126.8000
A0-J2 94.0740 93.7570 93.9000 94.0000
A0-K0 107.9660 107.7350 69.7890 69.7440
G1-J2 53.9140 53.8480 56.0000 56.0000
G1-K0 90.4590 90.4550 35.2190 35.2150
J2-K0 44.3970 44.4090 9.6740 9.7650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60877.2541132253
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.803513
DEC -0.44419
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 61.273
HIERARCH ESO ISS PBL12 END 61.083
HIERARCH ESO ISS PBLA12 START 126.7
HIERARCH ESO ISS PBLA12 END 126.8
HIERARCH ESO ISS PBL13 START 94.074
HIERARCH ESO ISS PBL13 END 93.757
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 107.966
HIERARCH ESO ISS PBL14 END 107.735
HIERARCH ESO ISS PBLA14 START 69.789
HIERARCH ESO ISS PBLA14 END 69.744
HIERARCH ESO ISS PBL23 START 53.914
HIERARCH ESO ISS PBL23 END 53.848
HIERARCH ESO ISS PBLA23 START 56.0
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 90.459
HIERARCH ESO ISS PBL24 END 90.455
HIERARCH ESO ISS PBLA24 START 35.219
HIERARCH ESO ISS PBLA24 END 35.215
HIERARCH ESO ISS PBL34 START 44.397
HIERARCH ESO ISS PBL34 END 44.409
HIERARCH ESO ISS PBLA34 START 9.674
HIERARCH ESO ISS PBLA34 END 9.765
HIERARCH ESO ISS AMBI TAU0 START 0.002787
HIERARCH ESO ISS AMBI TAU0 END 0.004615
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.55