Exposure
ID
PIONI.2025-06-22T07:31:36.371_1
Header ID
PIONI.2025-06-22T07:31:36.371
Date updated
2025-06-22 07:40:43 UTC+0000
Release date
2026-06-22 07:40:42 UTC+0000
UTC Start
2025-06-22 07:31:36.372
UTC End
2025-06-22 07:32:01.972
MJD Start
60848.313615412
MJD End
60848.3139117083
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002455
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.45
Observation
ID
68194
Category
science
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 54.5010 54.4060 290.1000 290.2000
K0-D0 77.5570 77.4200 264.4000 264.5000
K0-J3 55.0550 55.0520 353.9750 354.0640
G2-D0 36.9470 36.9200 224.7000 224.7000
G2-J3 57.9820 57.9290 51.5610 51.5760
D0-J3 94.7680 94.6890 48.9000 48.9150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60848.313615412
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 54.501
HIERARCH ESO ISS PBL12 END 54.406
HIERARCH ESO ISS PBLA12 START 290.1
HIERARCH ESO ISS PBLA12 END 290.2
HIERARCH ESO ISS PBL13 START 77.557
HIERARCH ESO ISS PBL13 END 77.42
HIERARCH ESO ISS PBLA13 START 264.4
HIERARCH ESO ISS PBLA13 END 264.5
HIERARCH ESO ISS PBL14 START 55.055
HIERARCH ESO ISS PBL14 END 55.052
HIERARCH ESO ISS PBLA14 START 353.975
HIERARCH ESO ISS PBLA14 END 354.064
HIERARCH ESO ISS PBL23 START 36.947
HIERARCH ESO ISS PBL23 END 36.92
HIERARCH ESO ISS PBLA23 START 224.7
HIERARCH ESO ISS PBLA23 END 224.7
HIERARCH ESO ISS PBL24 START 57.982
HIERARCH ESO ISS PBL24 END 57.929
HIERARCH ESO ISS PBLA24 START 51.561
HIERARCH ESO ISS PBLA24 END 51.576
HIERARCH ESO ISS PBL34 START 94.768
HIERARCH ESO ISS PBL34 END 94.689
HIERARCH ESO ISS PBLA34 START 48.9
HIERARCH ESO ISS PBLA34 END 48.915
HIERARCH ESO ISS AMBI TAU0 START 0.002455
HIERARCH ESO ISS AMBI TAU0 END 0.002455
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45