Exposure
ID
PIONI.2025-10-27T06:09:15.177_1
Header ID
PIONI.2025-10-27T06:09:15.177
Date updated
2025-10-27 06:15:49 UTC+0000
Release date
2025-10-27 06:09:15 UTC+0000
UTC Start
2025-10-27 06:09:15.177
UTC End
2025-10-27 06:10:31.977
MJD Start
60975.2564256592
MJD End
60975.25731454809
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.00341
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.97
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 87.2410 87.3800 111.7000 111.8000
A0-J2 119.0490 119.3610 88.4000 88.5000
A0-K0 114.4510 114.7730 64.7540 64.8950
G1-J2 52.0050 52.1240 46.9000 47.1000
G1-K0 84.1830 84.2380 15.4880 15.6880
J2-K0 48.1460 48.1320 341.2370 341.3510
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 60975.2564256592
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.241
HIERARCH ESO ISS PBL12 END 87.38
HIERARCH ESO ISS PBLA12 START 111.7
HIERARCH ESO ISS PBLA12 END 111.8
HIERARCH ESO ISS PBL13 START 119.049
HIERARCH ESO ISS PBL13 END 119.361
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 88.5
HIERARCH ESO ISS PBL14 START 114.451
HIERARCH ESO ISS PBL14 END 114.773
HIERARCH ESO ISS PBLA14 START 64.754
HIERARCH ESO ISS PBLA14 END 64.895
HIERARCH ESO ISS PBL23 START 52.005
HIERARCH ESO ISS PBL23 END 52.124
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.1
HIERARCH ESO ISS PBL24 START 84.183
HIERARCH ESO ISS PBL24 END 84.238
HIERARCH ESO ISS PBLA24 START 15.488
HIERARCH ESO ISS PBLA24 END 15.688
HIERARCH ESO ISS PBL34 START 48.146
HIERARCH ESO ISS PBL34 END 48.132
HIERARCH ESO ISS PBLA34 START 341.237
HIERARCH ESO ISS PBLA34 END 341.351
HIERARCH ESO ISS AMBI TAU0 START 0.003964
HIERARCH ESO ISS AMBI TAU0 END 0.002856
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97