Exposure
ID
PIONI.2025-06-24T07:24:19.760_1
Header ID
PIONI.2025-06-24T07:24:19.760
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 07:24:19.760
UTC End
2025-06-24 07:24:45.360
MJD Start
60850.3085620399
MJD End
60850.3088583362
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002865
Ambient temperature (°C)
11.04
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 23.9050 23.9000 165.2000 165.3000
A0-D0 25.8140 25.7680 84.5000 84.5000
A0-C1 19.2900 19.2710 139.0740 139.1950
B2-D0 32.2240 32.2080 37.4000 37.4000
B2-C1 10.7350 10.7300 37.3690 37.3890
D0-C1 21.4880 21.4780 217.4250 217.4450
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 60850.3085620399
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 23.905
HIERARCH ESO ISS PBL12 END 23.9
HIERARCH ESO ISS PBLA12 START 165.2
HIERARCH ESO ISS PBLA12 END 165.3
HIERARCH ESO ISS PBL13 START 25.814
HIERARCH ESO ISS PBL13 END 25.768
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 19.29
HIERARCH ESO ISS PBL14 END 19.271
HIERARCH ESO ISS PBLA14 START 139.074
HIERARCH ESO ISS PBLA14 END 139.195
HIERARCH ESO ISS PBL23 START 32.224
HIERARCH ESO ISS PBL23 END 32.208
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 10.735
HIERARCH ESO ISS PBL24 END 10.73
HIERARCH ESO ISS PBLA24 START 37.369
HIERARCH ESO ISS PBLA24 END 37.389
HIERARCH ESO ISS PBL34 START 21.488
HIERARCH ESO ISS PBL34 END 21.478
HIERARCH ESO ISS PBLA34 START 217.425
HIERARCH ESO ISS PBLA34 END 217.445
HIERARCH ESO ISS AMBI TAU0 START 0.002865
HIERARCH ESO ISS AMBI TAU0 END 0.002865
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.75