Exposure
ID
PIONI.2025-06-17T08:02:04.451_1
Header ID
PIONI.2025-06-17T08:02:04.451
Date updated
2025-06-17 08:12:41 UTC+0000
Release date
2025-06-17 08:02:04 UTC+0000
UTC Start
2025-06-17 08:02:04.451
UTC End
2025-06-17 08:02:30.051
MJD Start
60843.3347737403
MJD End
60843.3350700366
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003449
Ambient temperature (°C)
6.71
Seeing (arcsec)
0.78
Observation
ID
68115
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
50631
Name
HD 165634
RA
272.019635
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 79.8600 79.8010 143.4000 143.5000
A0-J2 103.7410 103.5830 117.8000 117.9000
A0-K0 99.7140 99.5290 90.2550 90.3280
G1-J2 46.9250 46.8500 70.3000 70.4000
G1-K0 82.2860 82.2310 39.2980 39.3220
J2-K0 48.5470 48.5460 9.3920 9.4560
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 60843.3347737403
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
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 79.86
HIERARCH ESO ISS PBL12 END 79.801
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.5
HIERARCH ESO ISS PBL13 START 103.741
HIERARCH ESO ISS PBL13 END 103.583
HIERARCH ESO ISS PBLA13 START 117.8
HIERARCH ESO ISS PBLA13 END 117.9
HIERARCH ESO ISS PBL14 START 99.714
HIERARCH ESO ISS PBL14 END 99.529
HIERARCH ESO ISS PBLA14 START 90.255
HIERARCH ESO ISS PBLA14 END 90.328
HIERARCH ESO ISS PBL23 START 46.925
HIERARCH ESO ISS PBL23 END 46.85
HIERARCH ESO ISS PBLA23 START 70.3
HIERARCH ESO ISS PBLA23 END 70.4
HIERARCH ESO ISS PBL24 START 82.286
HIERARCH ESO ISS PBL24 END 82.231
HIERARCH ESO ISS PBLA24 START 39.298
HIERARCH ESO ISS PBLA24 END 39.322
HIERARCH ESO ISS PBL34 START 48.547
HIERARCH ESO ISS PBL34 END 48.546
HIERARCH ESO ISS PBLA34 START 9.392
HIERARCH ESO ISS PBLA34 END 9.456
HIERARCH ESO ISS AMBI TAU0 START 0.003449
HIERARCH ESO ISS AMBI TAU0 END 0.003449
HIERARCH ESO ISS AMBI TEMP 6.71
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78