Exposure
ID
PIONI.2025-07-25T04:29:29.940_1
Header ID
PIONI.2025-07-25T04:29:29.940
Date updated
2025-07-25 04:35:48 UTC+0000
Release date
2026-07-25 04:35:48 UTC+0000
UTC Start
2025-07-25 04:29:29.940
UTC End
2025-07-25 04:29:55.540
MJD Start
60881.187152083
MJD End
60881.1874483793
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003723
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.62
Observation
ID
68227
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
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 24.4290 24.4230 156.5000 156.6000
A0-D0 29.2230 29.1920 80.4000 80.4000
A0-C1 20.8720 20.8560 129.6270 129.7220
B2-D0 33.3110 33.3020 35.0000 35.0000
B2-C1 11.0970 11.0940 34.9250 34.9600
D0-C1 22.2140 22.2080 214.9850 215.0200
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 60881.187152083
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 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 24.429
HIERARCH ESO ISS PBL12 END 24.423
HIERARCH ESO ISS PBLA12 START 156.5
HIERARCH ESO ISS PBLA12 END 156.6
HIERARCH ESO ISS PBL13 START 29.223
HIERARCH ESO ISS PBL13 END 29.192
HIERARCH ESO ISS PBLA13 START 80.4
HIERARCH ESO ISS PBLA13 END 80.4
HIERARCH ESO ISS PBL14 START 20.872
HIERARCH ESO ISS PBL14 END 20.856
HIERARCH ESO ISS PBLA14 START 129.627
HIERARCH ESO ISS PBLA14 END 129.722
HIERARCH ESO ISS PBL23 START 33.311
HIERARCH ESO ISS PBL23 END 33.302
HIERARCH ESO ISS PBLA23 START 35.0
HIERARCH ESO ISS PBLA23 END 35.0
HIERARCH ESO ISS PBL24 START 11.097
HIERARCH ESO ISS PBL24 END 11.094
HIERARCH ESO ISS PBLA24 START 34.925
HIERARCH ESO ISS PBLA24 END 34.96
HIERARCH ESO ISS PBL34 START 22.214
HIERARCH ESO ISS PBL34 END 22.208
HIERARCH ESO ISS PBLA34 START 214.985
HIERARCH ESO ISS PBLA34 END 215.02
HIERARCH ESO ISS AMBI TAU0 START 0.003723
HIERARCH ESO ISS AMBI TAU0 END 0.003723
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62