Exposure
ID
PIONI.2025-07-25T06:47:28.694_1
Header ID
PIONI.2025-07-25T06:47:28.694
Date updated
2025-07-25 06:55:44 UTC+0000
Release date
2025-07-25 06:47:28 UTC+0000
UTC Start
2025-07-25 06:47:28.694
UTC End
2025-07-25 06:47:54.294
MJD Start
60881.2829709924
MJD End
60881.283267288694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003628
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.64
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 25.1980 25.1980 178.1000 178.2000
A0-D0 20.7850 20.7390 110.7000 110.8000
A0-C1 20.4820 20.4760 159.8920 160.0380
B2-D0 25.7680 25.7350 46.2000 46.2000
B2-C1 8.5860 8.5750 46.1550 46.1790
D0-C1 17.1820 17.1600 226.2240 226.2480
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 60881.2829709924
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 25.198
HIERARCH ESO ISS PBL12 END 25.198
HIERARCH ESO ISS PBLA12 START 178.1
HIERARCH ESO ISS PBLA12 END 178.2
HIERARCH ESO ISS PBL13 START 20.785
HIERARCH ESO ISS PBL13 END 20.739
HIERARCH ESO ISS PBLA13 START 110.7
HIERARCH ESO ISS PBLA13 END 110.8
HIERARCH ESO ISS PBL14 START 20.482
HIERARCH ESO ISS PBL14 END 20.476
HIERARCH ESO ISS PBLA14 START 159.892
HIERARCH ESO ISS PBLA14 END 160.038
HIERARCH ESO ISS PBL23 START 25.768
HIERARCH ESO ISS PBL23 END 25.735
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 8.586
HIERARCH ESO ISS PBL24 END 8.575
HIERARCH ESO ISS PBLA24 START 46.155
HIERARCH ESO ISS PBLA24 END 46.179
HIERARCH ESO ISS PBL34 START 17.182
HIERARCH ESO ISS PBL34 END 17.16
HIERARCH ESO ISS PBLA34 START 226.224
HIERARCH ESO ISS PBLA34 END 226.248
HIERARCH ESO ISS AMBI TAU0 START 0.003628
HIERARCH ESO ISS AMBI TAU0 END 0.003628
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64