Exposure
ID
PIONI.2025-11-03T05:46:37.639_1
Header ID
PIONI.2025-11-03T05:46:37.639
Date updated
2025-11-03 05:55:59 UTC+0000
Release date
2025-11-03 05:46:37 UTC+0000
UTC Start
2025-11-03 05:46:37.639
UTC End
2025-11-03 05:47:03.239
MJD Start
60982.2407134087
MJD End
60982.241009704994
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002689
Ambient temperature (°C)
10.62
Seeing (arcsec)
1.01
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 87.6960 87.7500 111.8000 111.9000
A0-J2 120.0820 120.2050 88.7000 88.7000
A0-K0 115.5250 115.6530 65.2190 65.2750
G1-J2 52.4040 52.4520 47.5000 47.6000
G1-K0 84.3720 84.3960 16.1570 16.2390
J2-K0 48.0980 48.0920 341.6220 341.6700
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 60982.2407134087
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 87.696
HIERARCH ESO ISS PBL12 END 87.75
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 111.9
HIERARCH ESO ISS PBL13 START 120.082
HIERARCH ESO ISS PBL13 END 120.205
HIERARCH ESO ISS PBLA13 START 88.7
HIERARCH ESO ISS PBLA13 END 88.7
HIERARCH ESO ISS PBL14 START 115.525
HIERARCH ESO ISS PBL14 END 115.653
HIERARCH ESO ISS PBLA14 START 65.219
HIERARCH ESO ISS PBLA14 END 65.275
HIERARCH ESO ISS PBL23 START 52.404
HIERARCH ESO ISS PBL23 END 52.452
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 84.372
HIERARCH ESO ISS PBL24 END 84.396
HIERARCH ESO ISS PBLA24 START 16.157
HIERARCH ESO ISS PBLA24 END 16.239
HIERARCH ESO ISS PBL34 START 48.098
HIERARCH ESO ISS PBL34 END 48.092
HIERARCH ESO ISS PBLA34 START 341.622
HIERARCH ESO ISS PBLA34 END 341.67
HIERARCH ESO ISS AMBI TAU0 START 0.002771
HIERARCH ESO ISS AMBI TAU0 END 0.002607
HIERARCH ESO ISS AMBI TEMP 10.62
HIERARCH ESO ISS AMBI FWHM START 1.03
HIERARCH ESO ISS AMBI FWHM END 0.99