Exposure
ID
PIONI.2025-10-31T05:05:29.230_1
Header ID
PIONI.2025-10-31T05:05:29.230
Date updated
2025-10-31 05:10:50 UTC+0000
Release date
2025-10-31 05:05:29 UTC+0000
UTC Start
2025-10-31 05:05:29.230
UTC End
2025-10-31 05:06:07.630
MJD Start
60979.2121438682
MJD End
60979.21258831264
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003328
Ambient temperature (°C)
13.34
Seeing (arcsec)
0.53
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 90.1620 90.1860 113.1000 113.1000
A0-J2 127.7580 127.8240 90.0000 90.1000
A0-K0 125.6920 125.7680 67.9890 68.0580
G1-J2 57.0660 57.0970 51.7000 51.8000
G1-K0 89.0240 89.0440 22.1620 22.2500
J2-K0 48.4310 48.4270 346.5960 346.6690
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 60979.2121438682
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 90.162
HIERARCH ESO ISS PBL12 END 90.186
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 127.758
HIERARCH ESO ISS PBL13 END 127.824
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 125.692
HIERARCH ESO ISS PBL14 END 125.768
HIERARCH ESO ISS PBLA14 START 67.989
HIERARCH ESO ISS PBLA14 END 68.058
HIERARCH ESO ISS PBL23 START 57.066
HIERARCH ESO ISS PBL23 END 57.097
HIERARCH ESO ISS PBLA23 START 51.7
HIERARCH ESO ISS PBLA23 END 51.8
HIERARCH ESO ISS PBL24 START 89.024
HIERARCH ESO ISS PBL24 END 89.044
HIERARCH ESO ISS PBLA24 START 22.162
HIERARCH ESO ISS PBLA24 END 22.25
HIERARCH ESO ISS PBL34 START 48.431
HIERARCH ESO ISS PBL34 END 48.427
HIERARCH ESO ISS PBLA34 START 346.596
HIERARCH ESO ISS PBLA34 END 346.669
HIERARCH ESO ISS AMBI TAU0 START 0.003328
HIERARCH ESO ISS AMBI TAU0 END 0.003328
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53