Exposure
ID
PIONI.2025-10-27T06:29:50.808_1
Header ID
PIONI.2025-10-27T06:29:50.808
Date updated
2025-10-27 06:35:58 UTC+0000
Release date
2025-10-27 06:29:50 UTC+0000
UTC Start
2025-10-27 06:29:50.807
UTC End
2025-10-27 06:30:16.407
MJD Start
60975.2707269369
MJD End
60975.271023233196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002095
Ambient temperature (°C)
12.73
Seeing (arcsec)
1.17
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 88.9260 88.9660 112.2000 112.2000
A0-J2 123.0340 123.1360 89.4000 89.4000
A0-K0 118.7010 118.8140 66.6190 66.6690
G1-J2 53.6200 53.6650 49.4000 49.5000
G1-K0 85.0090 85.0340 18.2540 18.3320
J2-K0 47.9370 47.9310 342.9260 342.9780
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 60975.2707269369
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 88.926
HIERARCH ESO ISS PBL12 END 88.966
HIERARCH ESO ISS PBLA12 START 112.2
HIERARCH ESO ISS PBLA12 END 112.2
HIERARCH ESO ISS PBL13 START 123.034
HIERARCH ESO ISS PBL13 END 123.136
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.4
HIERARCH ESO ISS PBL14 START 118.701
HIERARCH ESO ISS PBL14 END 118.814
HIERARCH ESO ISS PBLA14 START 66.619
HIERARCH ESO ISS PBLA14 END 66.669
HIERARCH ESO ISS PBL23 START 53.62
HIERARCH ESO ISS PBL23 END 53.665
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 85.009
HIERARCH ESO ISS PBL24 END 85.034
HIERARCH ESO ISS PBLA24 START 18.254
HIERARCH ESO ISS PBLA24 END 18.332
HIERARCH ESO ISS PBL34 START 47.937
HIERARCH ESO ISS PBL34 END 47.931
HIERARCH ESO ISS PBLA34 START 342.926
HIERARCH ESO ISS PBLA34 END 342.978
HIERARCH ESO ISS AMBI TAU0 START 0.002095
HIERARCH ESO ISS AMBI TAU0 END 0.002095
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.17