Exposure
ID
GRAVI.2025-02-22T04:33:53.575_1
Header ID
GRAVI.2025-02-22T04:33:53.575
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 04:33:53 UTC+0000
UTC Start
2025-02-22 04:33:53.575
UTC End
2025-02-22 04:36:33.575
MJD Start
60728.19020342
MJD End
60728.19205527186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007984
Ambient temperature (°C)
16.32
Seeing (arcsec)
1.025
Observation
ID
64782
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48243
Name
HD_70523
RA
125.47582
DEC
-17.58642
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.9310 46.8850 163.1000 163.5000
A0-J2 118.3870 117.7490 101.0000 101.3000
A0-J6 168.8750 168.7560 33.8980 34.0630
B5-J2 104.9840 104.5050 77.7000 77.9000
B5-J6 201.8510 201.8300 23.5190 23.7310
J2-J6 164.2420 164.1850 352.2890 352.6650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60728.19020342
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 70523
HIERARCH ESO INS SOBJ NAME HD_70523
RA 125.47582
DEC -17.58642
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 46.931
HIERARCH ESO ISS PBL12 END 46.885
HIERARCH ESO ISS PBLA12 START 163.1
HIERARCH ESO ISS PBLA12 END 163.5
HIERARCH ESO ISS PBL13 START 118.387
HIERARCH ESO ISS PBL13 END 117.749
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 101.3
HIERARCH ESO ISS PBL14 START 168.875
HIERARCH ESO ISS PBL14 END 168.756
HIERARCH ESO ISS PBLA14 START 33.898
HIERARCH ESO ISS PBLA14 END 34.063
HIERARCH ESO ISS PBL23 START 104.984
HIERARCH ESO ISS PBL23 END 104.505
HIERARCH ESO ISS PBLA23 START 77.7
HIERARCH ESO ISS PBLA23 END 77.9
HIERARCH ESO ISS PBL24 START 201.851
HIERARCH ESO ISS PBL24 END 201.83
HIERARCH ESO ISS PBLA24 START 23.519
HIERARCH ESO ISS PBLA24 END 23.731
HIERARCH ESO ISS PBL34 START 164.242
HIERARCH ESO ISS PBL34 END 164.185
HIERARCH ESO ISS PBLA34 START 352.289
HIERARCH ESO ISS PBLA34 END 352.665
HIERARCH ESO ISS AMBI TAU0 START 0.008515
HIERARCH ESO ISS AMBI TAU0 END 0.007453
HIERARCH ESO ISS AMBI TEMP 16.32
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 1.17