Exposure
ID
PIONI.2025-07-25T04:20:59.460_1
Header ID
PIONI.2025-07-25T04:20:59.460
Date updated
2025-07-25 04:30:56 UTC+0000
Release date
2025-07-25 04:20:59 UTC+0000
UTC Start
2025-07-25 04:20:59.460
UTC End
2025-07-25 04:21:25.060
MJD Start
60881.1812437531
MJD End
60881.181540049394
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003928
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.5
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 25.2850 25.2850 153.9000 154.0000
A0-D0 29.8260 29.8020 84.5000 84.6000
A0-C1 22.3820 22.3760 129.3440 129.4490
B2-D0 31.5670 31.5520 36.0000 36.1000
B2-C1 10.5160 10.5110 35.9660 36.0220
D0-C1 21.0520 21.0420 216.0330 216.0890
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 60881.1812437531
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 25.285
HIERARCH ESO ISS PBL12 END 25.285
HIERARCH ESO ISS PBLA12 START 153.9
HIERARCH ESO ISS PBLA12 END 154.0
HIERARCH ESO ISS PBL13 START 29.826
HIERARCH ESO ISS PBL13 END 29.802
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 22.382
HIERARCH ESO ISS PBL14 END 22.376
HIERARCH ESO ISS PBLA14 START 129.344
HIERARCH ESO ISS PBLA14 END 129.449
HIERARCH ESO ISS PBL23 START 31.567
HIERARCH ESO ISS PBL23 END 31.552
HIERARCH ESO ISS PBLA23 START 36.0
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 10.516
HIERARCH ESO ISS PBL24 END 10.511
HIERARCH ESO ISS PBLA24 START 35.966
HIERARCH ESO ISS PBLA24 END 36.022
HIERARCH ESO ISS PBL34 START 21.052
HIERARCH ESO ISS PBL34 END 21.042
HIERARCH ESO ISS PBLA34 START 216.033
HIERARCH ESO ISS PBLA34 END 216.089
HIERARCH ESO ISS AMBI TAU0 START 0.004265
HIERARCH ESO ISS AMBI TAU0 END 0.003591
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.55