Exposure
ID
PIONI.2025-11-01T05:56:13.148_1
Header ID
PIONI.2025-11-01T05:56:13.148
Date updated
2025-11-01 06:05:55 UTC+0000
Release date
2025-11-01 05:56:13 UTC+0000
UTC Start
2025-11-01 05:56:13.149
UTC End
2025-11-01 05:56:38.749
MJD Start
60980.2473744042
MJD End
60980.2476707005
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003017
Ambient temperature (°C)
10.1
Seeing (arcsec)
0.42
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 87.8500 87.9020 111.9000 111.9000
A0-J2 120.4370 120.5580 88.8000 88.8000
A0-K0 115.8970 116.0250 65.3850 65.4400
G1-J2 52.5440 52.5920 47.7000 47.8000
G1-K0 84.4410 84.4650 16.3980 16.4790
J2-K0 48.0810 48.0750 341.7660 341.8150
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 60980.2473744042
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 87.85
HIERARCH ESO ISS PBL12 END 87.902
HIERARCH ESO ISS PBLA12 START 111.9
HIERARCH ESO ISS PBLA12 END 111.9
HIERARCH ESO ISS PBL13 START 120.437
HIERARCH ESO ISS PBL13 END 120.558
HIERARCH ESO ISS PBLA13 START 88.8
HIERARCH ESO ISS PBLA13 END 88.8
HIERARCH ESO ISS PBL14 START 115.897
HIERARCH ESO ISS PBL14 END 116.025
HIERARCH ESO ISS PBLA14 START 65.385
HIERARCH ESO ISS PBLA14 END 65.44
HIERARCH ESO ISS PBL23 START 52.544
HIERARCH ESO ISS PBL23 END 52.592
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 84.441
HIERARCH ESO ISS PBL24 END 84.465
HIERARCH ESO ISS PBLA24 START 16.398
HIERARCH ESO ISS PBLA24 END 16.479
HIERARCH ESO ISS PBL34 START 48.081
HIERARCH ESO ISS PBL34 END 48.075
HIERARCH ESO ISS PBLA34 START 341.766
HIERARCH ESO ISS PBLA34 END 341.815
HIERARCH ESO ISS AMBI TAU0 START 0.003017
HIERARCH ESO ISS AMBI TAU0 END 0.003017
HIERARCH ESO ISS AMBI TEMP 10.1
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42