Exposure
ID
PIONI.2025-09-26T01:41:10.772_1
Header ID
PIONI.2025-09-26T01:41:10.772
Date updated
2025-09-26 01:50:57 UTC+0000
Release date
2025-09-26 01:41:10 UTC+0000
UTC Start
2025-09-26 01:41:10.772
UTC End
2025-09-26 01:41:36.372
MJD Start
60944.0702635623
MJD End
60944.0705598586
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005307
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.61
Observation
ID
70510
Category
calibrator
Program ID
115.27VC.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
52285
Name
HD 165634
RA
272.019637
DEC
-28.45727
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 78.2930 78.2380 147.0000 147.1000
A0-J2 99.4000 99.2420 121.1000 121.2000
A0-K0 94.5160 94.3220 92.2640 92.3400
G1-J2 44.8110 44.7310 71.4000 71.4000
G1-K0 80.7220 80.6630 39.9100 39.9310
J2-K0 48.5090 48.5070 11.0830 11.1450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60944.0702635623
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019637
DEC -28.45727
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 78.293
HIERARCH ESO ISS PBL12 END 78.238
HIERARCH ESO ISS PBLA12 START 147.0
HIERARCH ESO ISS PBLA12 END 147.1
HIERARCH ESO ISS PBL13 START 99.4
HIERARCH ESO ISS PBL13 END 99.242
HIERARCH ESO ISS PBLA13 START 121.1
HIERARCH ESO ISS PBLA13 END 121.2
HIERARCH ESO ISS PBL14 START 94.516
HIERARCH ESO ISS PBL14 END 94.322
HIERARCH ESO ISS PBLA14 START 92.264
HIERARCH ESO ISS PBLA14 END 92.34
HIERARCH ESO ISS PBL23 START 44.811
HIERARCH ESO ISS PBL23 END 44.731
HIERARCH ESO ISS PBLA23 START 71.4
HIERARCH ESO ISS PBLA23 END 71.4
HIERARCH ESO ISS PBL24 START 80.722
HIERARCH ESO ISS PBL24 END 80.663
HIERARCH ESO ISS PBLA24 START 39.91
HIERARCH ESO ISS PBLA24 END 39.931
HIERARCH ESO ISS PBL34 START 48.509
HIERARCH ESO ISS PBL34 END 48.507
HIERARCH ESO ISS PBLA34 START 11.083
HIERARCH ESO ISS PBLA34 END 11.145
HIERARCH ESO ISS AMBI TAU0 START 0.005307
HIERARCH ESO ISS AMBI TAU0 END 0.005307
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.63