Exposure
ID
PIONI.2025-08-22T00:32:01.433_1
Header ID
PIONI.2025-08-22T00:32:01.433
Date updated
2025-08-22 00:41:01 UTC+0000
Release date
2025-08-22 00:32:01 UTC+0000
UTC Start
2025-08-22 00:32:01.433
UTC End
2025-08-22 00:32:39.833
MJD Start
60909.0222388115
MJD End
60909.02268325594
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.64
Seeing (arcsec)
1.76
Observation
ID
70064
Category
calibrator
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
51947
Name
eps Sgr
RA
276.04272
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 68.3280 68.3250 46.5000 46.6000
A0-J2 128.1830 128.2310 88.1000 88.2000
A0-J3 132.3430 132.3330 42.1060 42.2240
G2-J2 89.4750 89.5210 118.6000 118.7000
G2-J3 64.4220 64.4160 37.4810 37.5970
J2-J3 101.8390 101.8630 337.2550 337.3460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60909.0222388115
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.04272
DEC -34.38532
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 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 68.328
HIERARCH ESO ISS PBL12 END 68.325
HIERARCH ESO ISS PBLA12 START 46.5
HIERARCH ESO ISS PBLA12 END 46.6
HIERARCH ESO ISS PBL13 START 128.183
HIERARCH ESO ISS PBL13 END 128.231
HIERARCH ESO ISS PBLA13 START 88.1
HIERARCH ESO ISS PBLA13 END 88.2
HIERARCH ESO ISS PBL14 START 132.343
HIERARCH ESO ISS PBL14 END 132.333
HIERARCH ESO ISS PBLA14 START 42.106
HIERARCH ESO ISS PBLA14 END 42.224
HIERARCH ESO ISS PBL23 START 89.475
HIERARCH ESO ISS PBL23 END 89.521
HIERARCH ESO ISS PBLA23 START 118.6
HIERARCH ESO ISS PBLA23 END 118.7
HIERARCH ESO ISS PBL24 START 64.422
HIERARCH ESO ISS PBL24 END 64.416
HIERARCH ESO ISS PBLA24 START 37.481
HIERARCH ESO ISS PBLA24 END 37.597
HIERARCH ESO ISS PBL34 START 101.839
HIERARCH ESO ISS PBL34 END 101.863
HIERARCH ESO ISS PBLA34 START 337.255
HIERARCH ESO ISS PBLA34 END 337.346
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.64
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76