Exposure
ID
PIONI.2025-10-31T05:07:10.190_1
Header ID
PIONI.2025-10-31T05:07:10.190
Date updated
2025-10-31 05:10:50 UTC+0000
Release date
2025-10-31 05:07:10 UTC+0000
UTC Start
2025-10-31 05:07:10.191
UTC End
2025-10-31 05:07:48.591
MJD Start
60979.2133123931
MJD End
60979.21375683754
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003506
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.545
Observation
ID
71072
Category
calibrator
Program ID
116.290A.001
Program Title
CONSTRAINING ASTEROSEISMIC MODELS OF MASSIVE OB STARS USING HIGH-PRECISION INTERFEROMETRY
Program Type
Normal
PI / COI
VRANCKEN / DESHMUKH / SANA / TKACHENKO / AERTS / KLIAPETS
Target
ID
52752
Name
HD 22836
RA
54.901781
DEC
-17.3652
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 90.2110 90.2330 113.2000 113.2000
A0-J2 127.8920 127.9530 90.1000 90.2000
A0-K0 125.8470 125.9180 68.1370 68.2100
G1-J2 57.1290 57.1580 51.9000 52.0000
G1-K0 89.0660 89.0870 22.3490 22.4400
J2-K0 48.4230 48.4190 346.7530 346.8300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.290A.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60979.2133123931
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 22836
RA 54.901781
DEC -17.3652
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 90.211
HIERARCH ESO ISS PBL12 END 90.233
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 127.892
HIERARCH ESO ISS PBL13 END 127.953
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 125.847
HIERARCH ESO ISS PBL14 END 125.918
HIERARCH ESO ISS PBLA14 START 68.137
HIERARCH ESO ISS PBLA14 END 68.21
HIERARCH ESO ISS PBL23 START 57.129
HIERARCH ESO ISS PBL23 END 57.158
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 52.0
HIERARCH ESO ISS PBL24 START 89.066
HIERARCH ESO ISS PBL24 END 89.087
HIERARCH ESO ISS PBLA24 START 22.349
HIERARCH ESO ISS PBLA24 END 22.44
HIERARCH ESO ISS PBL34 START 48.423
HIERARCH ESO ISS PBL34 END 48.419
HIERARCH ESO ISS PBLA34 START 346.753
HIERARCH ESO ISS PBLA34 END 346.83
HIERARCH ESO ISS AMBI TAU0 START 0.003531
HIERARCH ESO ISS AMBI TAU0 END 0.003481
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53