Exposure
ID
PIONI.2025-11-03T06:14:36.059_1
Header ID
PIONI.2025-11-03T06:14:36.059
Date updated
2025-11-03 06:21:02 UTC+0000
Release date
2025-11-03 06:14:36 UTC+0000
UTC Start
2025-11-03 06:14:36.059
UTC End
2025-11-03 06:15:01.659
MJD Start
60982.2601395682
MJD End
60982.2604358645
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003343
Ambient temperature (°C)
10.48
Seeing (arcsec)
0.81
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 89.6420 89.6710 112.6000 112.6000
A0-J2 124.9500 125.0350 90.0000 90.0000
A0-K0 120.8870 120.9870 67.6030 67.6490
G1-J2 54.4950 54.5360 50.7000 50.8000
G1-K0 85.5300 85.5560 19.8120 19.8860
J2-K0 47.8070 47.8010 343.9930 344.0470
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 60982.2601395682
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 89.642
HIERARCH ESO ISS PBL12 END 89.671
HIERARCH ESO ISS PBLA12 START 112.6
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 124.95
HIERARCH ESO ISS PBL13 END 125.035
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.0
HIERARCH ESO ISS PBL14 START 120.887
HIERARCH ESO ISS PBL14 END 120.987
HIERARCH ESO ISS PBLA14 START 67.603
HIERARCH ESO ISS PBLA14 END 67.649
HIERARCH ESO ISS PBL23 START 54.495
HIERARCH ESO ISS PBL23 END 54.536
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 85.53
HIERARCH ESO ISS PBL24 END 85.556
HIERARCH ESO ISS PBLA24 START 19.812
HIERARCH ESO ISS PBLA24 END 19.886
HIERARCH ESO ISS PBL34 START 47.807
HIERARCH ESO ISS PBL34 END 47.801
HIERARCH ESO ISS PBLA34 START 343.993
HIERARCH ESO ISS PBLA34 END 344.047
HIERARCH ESO ISS AMBI TAU0 START 0.003509
HIERARCH ESO ISS AMBI TAU0 END 0.003177
HIERARCH ESO ISS AMBI TEMP 10.48
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.85