Exposure
ID
PIONI.2025-06-24T07:23:41.934_1
Header ID
PIONI.2025-06-24T07:23:41.934
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 07:23:41.934
UTC End
2025-06-24 07:24:07.534
MJD Start
60850.3081242405
MJD End
60850.3084205368
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002865
Ambient temperature (°C)
11.0
Seeing (arcsec)
0.75
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 23.9110 23.9050 165.1000 165.2000
A0-D0 25.8620 25.8160 84.4000 84.5000
A0-C1 19.3100 19.2910 138.9460 139.0670
B2-D0 32.2400 32.2250 37.4000 37.4000
B2-C1 10.7410 10.7360 37.3470 37.3680
D0-C1 21.4990 21.4890 217.4030 217.4230
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 60850.3081242405
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 23.911
HIERARCH ESO ISS PBL12 END 23.905
HIERARCH ESO ISS PBLA12 START 165.1
HIERARCH ESO ISS PBLA12 END 165.2
HIERARCH ESO ISS PBL13 START 25.862
HIERARCH ESO ISS PBL13 END 25.816
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 19.31
HIERARCH ESO ISS PBL14 END 19.291
HIERARCH ESO ISS PBLA14 START 138.946
HIERARCH ESO ISS PBLA14 END 139.067
HIERARCH ESO ISS PBL23 START 32.24
HIERARCH ESO ISS PBL23 END 32.225
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 10.741
HIERARCH ESO ISS PBL24 END 10.736
HIERARCH ESO ISS PBLA24 START 37.347
HIERARCH ESO ISS PBLA24 END 37.368
HIERARCH ESO ISS PBL34 START 21.499
HIERARCH ESO ISS PBL34 END 21.489
HIERARCH ESO ISS PBLA34 START 217.403
HIERARCH ESO ISS PBLA34 END 217.423
HIERARCH ESO ISS AMBI TAU0 START 0.002865
HIERARCH ESO ISS AMBI TAU0 END 0.002865
HIERARCH ESO ISS AMBI TEMP 11.0
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.75