Exposure
ID
PIONI.2025-07-25T04:22:52.799_1
Header ID
PIONI.2025-07-25T04:22:52.799
Date updated
2025-07-25 04:30:56 UTC+0000
Release date
2025-07-25 04:22:52 UTC+0000
UTC Start
2025-07-25 04:22:52.799
UTC End
2025-07-25 04:23:18.399
MJD Start
60881.1825555447
MJD End
60881.182851841
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003275
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.56
Observation
ID
68968
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
51310
Name
HD 168592
RA
275.575662
DEC
-38.65706
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 25.2870 25.2880 154.2000 154.3000
A0-D0 29.7510 29.7270 84.8000 84.9000
A0-C1 22.3650 22.3600 129.6770 129.7820
B2-D0 31.5200 31.5050 36.2000 36.2000
B2-C1 10.5000 10.4950 36.1450 36.2010
D0-C1 21.0200 21.0100 216.2130 216.2690
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 60881.1825555447
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.575662
DEC -38.65706
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 25.287
HIERARCH ESO ISS PBL12 END 25.288
HIERARCH ESO ISS PBLA12 START 154.2
HIERARCH ESO ISS PBLA12 END 154.3
HIERARCH ESO ISS PBL13 START 29.751
HIERARCH ESO ISS PBL13 END 29.727
HIERARCH ESO ISS PBLA13 START 84.8
HIERARCH ESO ISS PBLA13 END 84.9
HIERARCH ESO ISS PBL14 START 22.365
HIERARCH ESO ISS PBL14 END 22.36
HIERARCH ESO ISS PBLA14 START 129.677
HIERARCH ESO ISS PBLA14 END 129.782
HIERARCH ESO ISS PBL23 START 31.52
HIERARCH ESO ISS PBL23 END 31.505
HIERARCH ESO ISS PBLA23 START 36.2
HIERARCH ESO ISS PBLA23 END 36.2
HIERARCH ESO ISS PBL24 START 10.5
HIERARCH ESO ISS PBL24 END 10.495
HIERARCH ESO ISS PBLA24 START 36.145
HIERARCH ESO ISS PBLA24 END 36.201
HIERARCH ESO ISS PBL34 START 21.02
HIERARCH ESO ISS PBL34 END 21.01
HIERARCH ESO ISS PBLA34 START 216.213
HIERARCH ESO ISS PBLA34 END 216.269
HIERARCH ESO ISS AMBI TAU0 START 0.003591
HIERARCH ESO ISS AMBI TAU0 END 0.002959
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57