Exposure
ID
PIONI.2025-11-01T06:03:18.610_1
Header ID
PIONI.2025-11-01T06:03:18.610
Date updated
2025-11-01 06:10:51 UTC+0000
Release date
2026-11-01 06:10:51 UTC+0000
UTC Start
2025-11-01 06:03:18.611
UTC End
2025-11-01 06:03:44.211
MJD Start
60980.2522987328
MJD End
60980.252595029095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0064659999999999995
Ambient temperature (°C)
10.2
Seeing (arcsec)
0.27
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 88.8800 88.9200 112.4000 112.4000
A0-J2 122.4380 122.5450 89.8000 89.8000
A0-K0 117.4940 117.6150 66.9620 67.0100
G1-J2 52.9300 52.9780 49.5000 49.6000
G1-K0 83.9950 84.0220 18.0030 18.0820
J2-K0 47.7370 47.7300 342.5500 342.6010
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 60980.2522987328
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 88.88
HIERARCH ESO ISS PBL12 END 88.92
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.4
HIERARCH ESO ISS PBL13 START 122.438
HIERARCH ESO ISS PBL13 END 122.545
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 117.494
HIERARCH ESO ISS PBL14 END 117.615
HIERARCH ESO ISS PBLA14 START 66.962
HIERARCH ESO ISS PBLA14 END 67.01
HIERARCH ESO ISS PBL23 START 52.93
HIERARCH ESO ISS PBL23 END 52.978
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 83.995
HIERARCH ESO ISS PBL24 END 84.022
HIERARCH ESO ISS PBLA24 START 18.003
HIERARCH ESO ISS PBLA24 END 18.082
HIERARCH ESO ISS PBL34 START 47.737
HIERARCH ESO ISS PBL34 END 47.73
HIERARCH ESO ISS PBLA34 START 342.55
HIERARCH ESO ISS PBLA34 END 342.601
HIERARCH ESO ISS AMBI TAU0 START 0.005893
HIERARCH ESO ISS AMBI TAU0 END 0.007039
HIERARCH ESO ISS AMBI TEMP 10.2
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27