Exposure
ID
PIONI.2025-10-27T06:30:28.358_1
Header ID
PIONI.2025-10-27T06:30:28.358
Date updated
2025-10-27 06:35:58 UTC+0000
Release date
2025-10-27 06:30:28 UTC+0000
UTC Start
2025-10-27 06:30:28.358
UTC End
2025-10-27 06:30:53.958
MJD Start
60975.2711615511
MJD End
60975.2714578474
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0024785
Ambient temperature (°C)
12.73
Seeing (arcsec)
1.1549999999999998
Observation
ID
71013
Category
calibrator
Program ID
116.28SN.001
Program Title
DO WINDS AND PULSATIONS ALTER RED GIANTS' ROCHE LOBES? THE UNIQUE TEST CASE OF THE SYMBIOTIC BINARY V1261 ORI
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
52697
Name
HD 35642
RA
81.461628
DEC
-10.28333
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 88.9670 89.0060 112.2000 112.3000
A0-J2 123.1390 123.2390 89.4000 89.5000
A0-K0 118.8170 118.9300 66.6710 66.7210
G1-J2 53.6660 53.7100 49.5000 49.5000
G1-K0 85.0350 85.0600 18.3340 18.4120
J2-K0 47.9310 47.9250 342.9790 343.0310
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SN.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60975.2711615511
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 35642
RA 81.461628
DEC -10.28333
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.967
HIERARCH ESO ISS PBL12 END 89.006
HIERARCH ESO ISS PBLA12 START 112.2
HIERARCH ESO ISS PBLA12 END 112.3
HIERARCH ESO ISS PBL13 START 123.139
HIERARCH ESO ISS PBL13 END 123.239
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 118.817
HIERARCH ESO ISS PBL14 END 118.93
HIERARCH ESO ISS PBLA14 START 66.671
HIERARCH ESO ISS PBLA14 END 66.721
HIERARCH ESO ISS PBL23 START 53.666
HIERARCH ESO ISS PBL23 END 53.71
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 85.035
HIERARCH ESO ISS PBL24 END 85.06
HIERARCH ESO ISS PBLA24 START 18.334
HIERARCH ESO ISS PBLA24 END 18.412
HIERARCH ESO ISS PBL34 START 47.931
HIERARCH ESO ISS PBL34 END 47.925
HIERARCH ESO ISS PBLA34 START 342.979
HIERARCH ESO ISS PBLA34 END 343.031
HIERARCH ESO ISS AMBI TAU0 START 0.002095
HIERARCH ESO ISS AMBI TAU0 END 0.002862
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.14