Exposure
ID
PIONI.2025-10-27T06:58:25.154_1
Header ID
PIONI.2025-10-27T06:58:25.154
Date updated
2025-10-27 07:05:48 UTC+0000
Release date
2025-10-27 06:58:25 UTC+0000
UTC Start
2025-10-27 06:58:25.154
UTC End
2025-10-27 06:58:50.754
MJD Start
60975.2905689133
MJD End
60975.290865209594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002774
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.96
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 90.2620 90.2770 113.1000 113.2000
A0-J2 126.9560 127.0180 90.7000 90.7000
A0-K0 123.3660 123.4480 68.8030 68.8440
G1-J2 55.5390 55.5750 52.3000 52.4000
G1-K0 86.2390 86.2660 21.7920 21.8620
J2-K0 47.6330 47.6260 345.4960 345.5520
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 60975.2905689133
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 90.262
HIERARCH ESO ISS PBL12 END 90.277
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 126.956
HIERARCH ESO ISS PBL13 END 127.018
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.7
HIERARCH ESO ISS PBL14 START 123.366
HIERARCH ESO ISS PBL14 END 123.448
HIERARCH ESO ISS PBLA14 START 68.803
HIERARCH ESO ISS PBLA14 END 68.844
HIERARCH ESO ISS PBL23 START 55.539
HIERARCH ESO ISS PBL23 END 55.575
HIERARCH ESO ISS PBLA23 START 52.3
HIERARCH ESO ISS PBLA23 END 52.4
HIERARCH ESO ISS PBL24 START 86.239
HIERARCH ESO ISS PBL24 END 86.266
HIERARCH ESO ISS PBLA24 START 21.792
HIERARCH ESO ISS PBLA24 END 21.862
HIERARCH ESO ISS PBL34 START 47.633
HIERARCH ESO ISS PBL34 END 47.626
HIERARCH ESO ISS PBLA34 START 345.496
HIERARCH ESO ISS PBLA34 END 345.552
HIERARCH ESO ISS AMBI TAU0 START 0.002774
HIERARCH ESO ISS AMBI TAU0 END 0.002774
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.93