Exposure
ID
PIONI.2025-10-31T05:33:55.152_1
Header ID
PIONI.2025-10-31T05:33:55.152
Date updated
2025-10-31 05:41:30 UTC+0000
Release date
2025-10-31 05:33:55 UTC+0000
UTC Start
2025-10-31 05:33:55.152
UTC End
2025-10-31 05:34:33.552
MJD Start
60979.231888331
MJD End
60979.23233277544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002914
Ambient temperature (°C)
13.06
Seeing (arcsec)
0.53
Observation
ID
71074
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
52754
Name
HD 27040
RA
63.944038
DEC
-18.64032
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 89.7970 89.8320 112.4000 112.5000
A0-J2 127.0810 127.1580 89.2000 89.3000
A0-K0 125.1690 125.2500 67.0180 67.0970
G1-J2 56.9400 56.9720 50.7000 50.8000
G1-K0 89.1700 89.1880 21.1900 21.2840
J2-K0 48.5450 48.5430 345.8900 345.9660
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 60979.231888331
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 27040
RA 63.944038
DEC -18.64032
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 89.797
HIERARCH ESO ISS PBL12 END 89.832
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 127.081
HIERARCH ESO ISS PBL13 END 127.158
HIERARCH ESO ISS PBLA13 START 89.2
HIERARCH ESO ISS PBLA13 END 89.3
HIERARCH ESO ISS PBL14 START 125.169
HIERARCH ESO ISS PBL14 END 125.25
HIERARCH ESO ISS PBLA14 START 67.018
HIERARCH ESO ISS PBLA14 END 67.097
HIERARCH ESO ISS PBL23 START 56.94
HIERARCH ESO ISS PBL23 END 56.972
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 89.17
HIERARCH ESO ISS PBL24 END 89.188
HIERARCH ESO ISS PBLA24 START 21.19
HIERARCH ESO ISS PBLA24 END 21.284
HIERARCH ESO ISS PBL34 START 48.545
HIERARCH ESO ISS PBL34 END 48.543
HIERARCH ESO ISS PBLA34 START 345.89
HIERARCH ESO ISS PBLA34 END 345.966
HIERARCH ESO ISS AMBI TAU0 START 0.002914
HIERARCH ESO ISS AMBI TAU0 END 0.002914
HIERARCH ESO ISS AMBI TEMP 13.06
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53