Exposure
ID
PIONI.2025-10-27T06:10:43.966_1
Header ID
PIONI.2025-10-27T06:10:43.966
Date updated
2025-10-27 06:20:50 UTC+0000
Release date
2025-10-27 06:10:43 UTC+0000
UTC Start
2025-10-27 06:10:43.966
UTC End
2025-10-27 06:12:00.766
MJD Start
60975.2574533112
MJD End
60975.25834220009
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0030485
Ambient temperature (°C)
12.68
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 87.3830 87.5180 111.8000 111.8000
A0-J2 119.3680 119.6740 88.5000 88.6000
A0-K0 114.7800 115.0990 64.8980 65.0370
G1-J2 52.1260 52.2450 47.1000 47.3000
G1-K0 84.2390 84.2950 15.6920 15.8920
J2-K0 48.1310 48.1170 341.3540 341.4690
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 60975.2574533112
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 87.383
HIERARCH ESO ISS PBL12 END 87.518
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 111.8
HIERARCH ESO ISS PBL13 START 119.368
HIERARCH ESO ISS PBL13 END 119.674
HIERARCH ESO ISS PBLA13 START 88.5
HIERARCH ESO ISS PBLA13 END 88.6
HIERARCH ESO ISS PBL14 START 114.78
HIERARCH ESO ISS PBL14 END 115.099
HIERARCH ESO ISS PBLA14 START 64.898
HIERARCH ESO ISS PBLA14 END 65.037
HIERARCH ESO ISS PBL23 START 52.126
HIERARCH ESO ISS PBL23 END 52.245
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 84.239
HIERARCH ESO ISS PBL24 END 84.295
HIERARCH ESO ISS PBLA24 START 15.692
HIERARCH ESO ISS PBLA24 END 15.892
HIERARCH ESO ISS PBL34 START 48.131
HIERARCH ESO ISS PBL34 END 48.117
HIERARCH ESO ISS PBLA34 START 341.354
HIERARCH ESO ISS PBLA34 END 341.469
HIERARCH ESO ISS AMBI TAU0 START 0.002856
HIERARCH ESO ISS AMBI TAU0 END 0.003241
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 1.05