Exposure
ID
PIONI.2025-06-02T03:48:35.713_1
Header ID
PIONI.2025-06-02T03:48:35.713
Date updated
2025-06-02 03:55:55 UTC+0000
Release date
2025-06-02 03:48:35 UTC+0000
UTC Start
2025-06-02 03:48:35.713
UTC End
2025-06-02 03:49:14.113
MJD Start
60828.158746683
MJD End
60828.159191127445
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004365
Ambient temperature (°C)
11.57
Seeing (arcsec)
0.735
Observation
ID
67688
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
50340
Name
HD170785
RA
277.804069
DEC
-0.44418
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6240 48.6280 143.1000 143.1000
A0-J2 100.0030 100.2890 93.0000 93.0000
A0-J6 140.1850 140.2220 6.2830 6.4200
B5-J2 78.2970 78.5490 64.5000 64.6000
B5-J6 178.7570 178.7320 355.5530 355.6590
J2-J6 167.4060 167.3810 329.6790 329.6950
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 60828.158746683
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.804069
DEC -0.44418
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.624
HIERARCH ESO ISS PBL12 END 48.628
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 100.003
HIERARCH ESO ISS PBL13 END 100.289
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 140.185
HIERARCH ESO ISS PBL14 END 140.222
HIERARCH ESO ISS PBLA14 START 6.283
HIERARCH ESO ISS PBLA14 END 6.42
HIERARCH ESO ISS PBL23 START 78.297
HIERARCH ESO ISS PBL23 END 78.549
HIERARCH ESO ISS PBLA23 START 64.5
HIERARCH ESO ISS PBLA23 END 64.6
HIERARCH ESO ISS PBL24 START 178.757
HIERARCH ESO ISS PBL24 END 178.732
HIERARCH ESO ISS PBLA24 START 355.553
HIERARCH ESO ISS PBLA24 END 355.659
HIERARCH ESO ISS PBL34 START 167.406
HIERARCH ESO ISS PBL34 END 167.381
HIERARCH ESO ISS PBLA34 START 329.679
HIERARCH ESO ISS PBLA34 END 329.695
HIERARCH ESO ISS AMBI TAU0 START 0.004266
HIERARCH ESO ISS AMBI TAU0 END 0.004464
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.63