Exposure
ID
PIONI.2025-10-27T06:31:05.820_1
Header ID
PIONI.2025-10-27T06:31:05.820
Date updated
2025-10-27 06:40:39 UTC+0000
Release date
2025-10-27 06:31:05 UTC+0000
UTC Start
2025-10-27 06:31:05.820
UTC End
2025-10-27 06:31:31.420
MJD Start
60975.2715951358
MJD End
60975.271891432094
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002862
Ambient temperature (°C)
12.62
Seeing (arcsec)
1.14
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 89.0090 89.0480 112.3000 112.3000
A0-J2 123.2450 123.3450 89.5000 89.5000
A0-K0 118.9360 119.0480 66.7240 66.7740
G1-J2 53.7130 53.7570 49.5000 49.6000
G1-K0 85.0610 85.0860 18.4160 18.4940
J2-K0 47.9240 47.9180 343.0330 343.0850
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 60975.2715951358
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 89.009
HIERARCH ESO ISS PBL12 END 89.048
HIERARCH ESO ISS PBLA12 START 112.3
HIERARCH ESO ISS PBLA12 END 112.3
HIERARCH ESO ISS PBL13 START 123.245
HIERARCH ESO ISS PBL13 END 123.345
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 118.936
HIERARCH ESO ISS PBL14 END 119.048
HIERARCH ESO ISS PBLA14 START 66.724
HIERARCH ESO ISS PBLA14 END 66.774
HIERARCH ESO ISS PBL23 START 53.713
HIERARCH ESO ISS PBL23 END 53.757
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 85.061
HIERARCH ESO ISS PBL24 END 85.086
HIERARCH ESO ISS PBLA24 START 18.416
HIERARCH ESO ISS PBLA24 END 18.494
HIERARCH ESO ISS PBL34 START 47.924
HIERARCH ESO ISS PBL34 END 47.918
HIERARCH ESO ISS PBLA34 START 343.033
HIERARCH ESO ISS PBLA34 END 343.085
HIERARCH ESO ISS AMBI TAU0 START 0.002862
HIERARCH ESO ISS AMBI TAU0 END 0.002862
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.14