Exposure
ID
PIONI.2025-10-27T06:51:10.793_1
Header ID
PIONI.2025-10-27T06:51:10.793
Date updated
2025-10-27 07:00:50 UTC+0000
Release date
2026-10-27 07:00:50 UTC+0000
UTC Start
2025-10-27 06:51:10.794
UTC End
2025-10-27 06:51:36.394
MJD Start
60975.2855415936
MJD End
60975.285837889896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002304
Ambient temperature (°C)
12.41
Seeing (arcsec)
1.19
Observation
ID
71014
Category
science
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
52698
Name
V V1261 Ori
RA
80.576834
DEC
-8.66614
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 90.2370 90.2530 113.1000 113.1000
A0-J2 126.5620 126.6290 90.9000 90.9000
A0-K0 122.4700 122.5600 68.9910 69.0300
G1-J2 54.9900 55.0290 52.4000 52.4000
G1-K0 85.3130 85.3420 21.5520 21.6240
J2-K0 47.3900 47.3830 345.0560 345.1120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60975.2855415936
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V V1261 Ori
RA 80.576834
DEC -8.66614
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 90.237
HIERARCH ESO ISS PBL12 END 90.253
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 126.562
HIERARCH ESO ISS PBL13 END 126.629
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 122.47
HIERARCH ESO ISS PBL14 END 122.56
HIERARCH ESO ISS PBLA14 START 68.991
HIERARCH ESO ISS PBLA14 END 69.03
HIERARCH ESO ISS PBL23 START 54.99
HIERARCH ESO ISS PBL23 END 55.029
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.4
HIERARCH ESO ISS PBL24 START 85.313
HIERARCH ESO ISS PBL24 END 85.342
HIERARCH ESO ISS PBLA24 START 21.552
HIERARCH ESO ISS PBLA24 END 21.624
HIERARCH ESO ISS PBL34 START 47.39
HIERARCH ESO ISS PBL34 END 47.383
HIERARCH ESO ISS PBLA34 START 345.056
HIERARCH ESO ISS PBLA34 END 345.112
HIERARCH ESO ISS AMBI TAU0 START 0.002304
HIERARCH ESO ISS AMBI TAU0 END 0.002304
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19