Exposure
ID
PIONI.2025-06-24T07:33:17.310_1
Header ID
PIONI.2025-06-24T07:33:17.310
Date updated
2025-06-24 07:40:56 UTC+0000
Release date
2025-06-24 07:33:17 UTC+0000
UTC Start
2025-06-24 07:33:17.310
UTC End
2025-06-24 07:33:42.910
MJD Start
60850.3147836826
MJD End
60850.3150799789
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0026445
Ambient temperature (°C)
10.93
Seeing (arcsec)
0.8049999999999999
Observation
ID
68228
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
50631
Name
HD 165634
RA
272.019635
DEC
-28.45727
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 24.5960 24.5930 167.1000 167.2000
A0-D0 25.0330 24.9870 90.1000 90.2000
A0-C1 19.9940 19.9790 143.1480 143.2760
B2-D0 30.9030 30.8820 39.3000 39.3000
B2-C1 10.2960 10.2890 39.2120 39.2370
D0-C1 20.6070 20.5930 219.2710 219.2970
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 60850.3147836826
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
DEC -28.45727
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 24.596
HIERARCH ESO ISS PBL12 END 24.593
HIERARCH ESO ISS PBLA12 START 167.1
HIERARCH ESO ISS PBLA12 END 167.2
HIERARCH ESO ISS PBL13 START 25.033
HIERARCH ESO ISS PBL13 END 24.987
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 19.994
HIERARCH ESO ISS PBL14 END 19.979
HIERARCH ESO ISS PBLA14 START 143.148
HIERARCH ESO ISS PBLA14 END 143.276
HIERARCH ESO ISS PBL23 START 30.903
HIERARCH ESO ISS PBL23 END 30.882
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 10.296
HIERARCH ESO ISS PBL24 END 10.289
HIERARCH ESO ISS PBLA24 START 39.212
HIERARCH ESO ISS PBLA24 END 39.237
HIERARCH ESO ISS PBL34 START 20.607
HIERARCH ESO ISS PBL34 END 20.593
HIERARCH ESO ISS PBLA34 START 219.271
HIERARCH ESO ISS PBLA34 END 219.297
HIERARCH ESO ISS AMBI TAU0 START 0.00248
HIERARCH ESO ISS AMBI TAU0 END 0.002809
HIERARCH ESO ISS AMBI TEMP 10.93
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.76