Exposure
ID
PIONI.2025-10-31T05:34:45.273_1
Header ID
PIONI.2025-10-31T05:34:45.273
Date updated
2025-10-31 05:41:30 UTC+0000
Release date
2025-10-31 05:34:45 UTC+0000
UTC Start
2025-10-31 05:34:45.273
UTC End
2025-10-31 05:35:23.673
MJD Start
60979.2324684402
MJD End
60979.23291288464
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 89.8330 89.8670 112.5000 112.5000
A0-J2 127.1610 127.2380 89.3000 89.3000
A0-K0 125.2530 125.3340 67.1010 67.1770
G1-J2 56.9730 57.0040 50.8000 50.9000
G1-K0 89.1890 89.2080 21.2880 21.3800
J2-K0 48.5430 48.5400 345.9690 346.0430
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 60979.2324684402
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 89.833
HIERARCH ESO ISS PBL12 END 89.867
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 127.161
HIERARCH ESO ISS PBL13 END 127.238
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 89.3
HIERARCH ESO ISS PBL14 START 125.253
HIERARCH ESO ISS PBL14 END 125.334
HIERARCH ESO ISS PBLA14 START 67.101
HIERARCH ESO ISS PBLA14 END 67.177
HIERARCH ESO ISS PBL23 START 56.973
HIERARCH ESO ISS PBL23 END 57.004
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 89.189
HIERARCH ESO ISS PBL24 END 89.208
HIERARCH ESO ISS PBLA24 START 21.288
HIERARCH ESO ISS PBLA24 END 21.38
HIERARCH ESO ISS PBL34 START 48.543
HIERARCH ESO ISS PBL34 END 48.54
HIERARCH ESO ISS PBLA34 START 345.969
HIERARCH ESO ISS PBLA34 END 346.043
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