Exposure
ID
PIONI.2025-06-24T07:23:04.403_1
Header ID
PIONI.2025-06-24T07:23:04.403
Date updated
2025-06-24 07:30:52 UTC+0000
Release date
2026-06-24 07:30:51 UTC+0000
UTC Start
2025-06-24 07:23:04.403
UTC End
2025-06-24 07:23:30.003
MJD Start
60850.3076898488
MJD End
60850.3079861451
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002865
Ambient temperature (°C)
11.03
Seeing (arcsec)
0.74
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 23.9160 23.9110 164.9000 165.0000
A0-D0 25.9100 25.8640 84.4000 84.4000
A0-C1 19.3300 19.3110 138.8190 138.9390
B2-D0 32.2570 32.2410 37.4000 37.4000
B2-C1 10.7460 10.7410 37.3250 37.3460
D0-C1 21.5100 21.5000 217.3810 217.4020
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 60850.3076898488
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 23.916
HIERARCH ESO ISS PBL12 END 23.911
HIERARCH ESO ISS PBLA12 START 164.9
HIERARCH ESO ISS PBLA12 END 165.0
HIERARCH ESO ISS PBL13 START 25.91
HIERARCH ESO ISS PBL13 END 25.864
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.4
HIERARCH ESO ISS PBL14 START 19.33
HIERARCH ESO ISS PBL14 END 19.311
HIERARCH ESO ISS PBLA14 START 138.819
HIERARCH ESO ISS PBLA14 END 138.939
HIERARCH ESO ISS PBL23 START 32.257
HIERARCH ESO ISS PBL23 END 32.241
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 10.746
HIERARCH ESO ISS PBL24 END 10.741
HIERARCH ESO ISS PBLA24 START 37.325
HIERARCH ESO ISS PBLA24 END 37.346
HIERARCH ESO ISS PBL34 START 21.51
HIERARCH ESO ISS PBL34 END 21.5
HIERARCH ESO ISS PBLA34 START 217.381
HIERARCH ESO ISS PBLA34 END 217.402
HIERARCH ESO ISS AMBI TAU0 START 0.002865
HIERARCH ESO ISS AMBI TAU0 END 0.002865
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.75