Exposure
ID
PIONI.2025-05-30T02:19:08.907_1
Header ID
PIONI.2025-05-30T02:19:08.907
Date updated
2025-05-30 02:26:32 UTC+0000
Release date
2026-05-30 02:26:32 UTC+0000
UTC Start
2025-05-30 02:19:08.907
UTC End
2025-05-30 02:19:47.307
MJD Start
60825.0966308652
MJD End
60825.09707530964
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004168
Ambient temperature (°C)
13.9
Seeing (arcsec)
0.76
Observation
ID
67629
Category
science
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
50297
Name
HD87810
RA
151.78148
DEC
-21.25568
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 46.9430 46.9470 184.8000 184.9000
A0-J2 77.5810 77.3120 127.0000 127.2000
A0-J6 148.9900 148.8260 38.2240 38.2170
B5-J2 65.8840 65.5890 89.9000 90.0000
B5-J6 189.9380 189.8250 30.3970 30.4130
J2-J6 166.5060 166.5190 10.4530 10.5530
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60825.0966308652
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.78148
DEC -21.25568
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 46.943
HIERARCH ESO ISS PBL12 END 46.947
HIERARCH ESO ISS PBLA12 START 184.8
HIERARCH ESO ISS PBLA12 END 184.9
HIERARCH ESO ISS PBL13 START 77.581
HIERARCH ESO ISS PBL13 END 77.312
HIERARCH ESO ISS PBLA13 START 127.0
HIERARCH ESO ISS PBLA13 END 127.2
HIERARCH ESO ISS PBL14 START 148.99
HIERARCH ESO ISS PBL14 END 148.826
HIERARCH ESO ISS PBLA14 START 38.224
HIERARCH ESO ISS PBLA14 END 38.217
HIERARCH ESO ISS PBL23 START 65.884
HIERARCH ESO ISS PBL23 END 65.589
HIERARCH ESO ISS PBLA23 START 89.9
HIERARCH ESO ISS PBLA23 END 90.0
HIERARCH ESO ISS PBL24 START 189.938
HIERARCH ESO ISS PBL24 END 189.825
HIERARCH ESO ISS PBLA24 START 30.397
HIERARCH ESO ISS PBLA24 END 30.413
HIERARCH ESO ISS PBL34 START 166.506
HIERARCH ESO ISS PBL34 END 166.519
HIERARCH ESO ISS PBLA34 START 10.453
HIERARCH ESO ISS PBLA34 END 10.553
HIERARCH ESO ISS AMBI TAU0 START 0.004168
HIERARCH ESO ISS AMBI TAU0 END 0.004168
HIERARCH ESO ISS AMBI TEMP 13.9
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76