Exposure
ID
PIONI.2025-10-27T06:59:40.604_1
Header ID
PIONI.2025-10-27T06:59:40.604
Date updated
2025-10-27 07:05:48 UTC+0000
Release date
2025-10-27 06:59:40 UTC+0000
UTC Start
2025-10-27 06:59:40.605
UTC End
2025-10-27 07:00:06.205
MJD Start
60975.2914421824
MJD End
60975.2917384787
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002852
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.93
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 90.2940 90.3090 113.2000 113.2000
A0-J2 127.0860 127.1460 90.7000 90.8000
A0-K0 123.5380 123.6180 68.8900 68.9310
G1-J2 55.6140 55.6490 52.4000 52.5000
G1-K0 86.2950 86.3210 21.9400 22.0100
J2-K0 47.6190 47.6130 345.6150 345.6720
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 60975.2914421824
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 90.294
HIERARCH ESO ISS PBL12 END 90.309
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 127.086
HIERARCH ESO ISS PBL13 END 127.146
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 123.538
HIERARCH ESO ISS PBL14 END 123.618
HIERARCH ESO ISS PBLA14 START 68.89
HIERARCH ESO ISS PBLA14 END 68.931
HIERARCH ESO ISS PBL23 START 55.614
HIERARCH ESO ISS PBL23 END 55.649
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.5
HIERARCH ESO ISS PBL24 START 86.295
HIERARCH ESO ISS PBL24 END 86.321
HIERARCH ESO ISS PBLA24 START 21.94
HIERARCH ESO ISS PBLA24 END 22.01
HIERARCH ESO ISS PBL34 START 47.619
HIERARCH ESO ISS PBL34 END 47.613
HIERARCH ESO ISS PBLA34 START 345.615
HIERARCH ESO ISS PBLA34 END 345.672
HIERARCH ESO ISS AMBI TAU0 START 0.002774
HIERARCH ESO ISS AMBI TAU0 END 0.00293
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93