Exposure
ID
PIONI.2025-06-24T07:32:39.734_1
Header ID
PIONI.2025-06-24T07:32:39.734
Date updated
2025-06-24 07:40:56 UTC+0000
Release date
2025-06-24 07:32:39 UTC+0000
UTC Start
2025-06-24 07:32:39.734
UTC End
2025-06-24 07:33:05.334
MJD Start
60850.3143487717
MJD End
60850.314645068
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00248
Ambient temperature (°C)
10.93
Seeing (arcsec)
0.85
Observation
ID
68228
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.5990 24.5960 167.0000 167.1000
A0-D0 25.0800 25.0340 90.0000 90.1000
A0-C1 20.0090 19.9940 143.0180 143.1460
B2-D0 30.9240 30.9030 39.2000 39.3000
B2-C1 10.3030 10.2960 39.1870 39.2120
D0-C1 20.6210 20.6070 219.2470 219.2720
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 60850.3143487717
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.599
HIERARCH ESO ISS PBL12 END 24.596
HIERARCH ESO ISS PBLA12 START 167.0
HIERARCH ESO ISS PBLA12 END 167.1
HIERARCH ESO ISS PBL13 START 25.08
HIERARCH ESO ISS PBL13 END 25.034
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 20.009
HIERARCH ESO ISS PBL14 END 19.994
HIERARCH ESO ISS PBLA14 START 143.018
HIERARCH ESO ISS PBLA14 END 143.146
HIERARCH ESO ISS PBL23 START 30.924
HIERARCH ESO ISS PBL23 END 30.903
HIERARCH ESO ISS PBLA23 START 39.2
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 10.303
HIERARCH ESO ISS PBL24 END 10.296
HIERARCH ESO ISS PBLA24 START 39.187
HIERARCH ESO ISS PBLA24 END 39.212
HIERARCH ESO ISS PBL34 START 20.621
HIERARCH ESO ISS PBL34 END 20.607
HIERARCH ESO ISS PBLA34 START 219.247
HIERARCH ESO ISS PBLA34 END 219.272
HIERARCH ESO ISS AMBI TAU0 START 0.00248
HIERARCH ESO ISS AMBI TAU0 END 0.00248
HIERARCH ESO ISS AMBI TEMP 10.93
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85