Exposure
ID
GRAVI.2025-02-22T04:23:08.549_1
Header ID
GRAVI.2025-02-22T04:23:08.549
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 04:23:08 UTC+0000
UTC Start
2025-02-22 04:23:08.549
UTC End
2025-02-22 04:25:48.549
MJD Start
60728.18273783
MJD End
60728.184589681856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0145355
Ambient temperature (°C)
16.16
Seeing (arcsec)
0.72
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 47.1010 47.0540 161.6000 162.0000
A0-J2 120.5610 119.9890 100.0000 100.3000
A0-J6 169.2360 169.1490 33.2600 33.4410
B5-J2 106.5930 106.1730 77.1000 77.3000
B5-J6 201.8870 201.8830 22.7210 22.9450
J2-J6 164.4690 164.4040 350.9300 351.3020
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 60728.18273783
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 47.101
HIERARCH ESO ISS PBL12 END 47.054
HIERARCH ESO ISS PBLA12 START 161.6
HIERARCH ESO ISS PBLA12 END 162.0
HIERARCH ESO ISS PBL13 START 120.561
HIERARCH ESO ISS PBL13 END 119.989
HIERARCH ESO ISS PBLA13 START 100.0
HIERARCH ESO ISS PBLA13 END 100.3
HIERARCH ESO ISS PBL14 START 169.236
HIERARCH ESO ISS PBL14 END 169.149
HIERARCH ESO ISS PBLA14 START 33.26
HIERARCH ESO ISS PBLA14 END 33.441
HIERARCH ESO ISS PBL23 START 106.593
HIERARCH ESO ISS PBL23 END 106.173
HIERARCH ESO ISS PBLA23 START 77.1
HIERARCH ESO ISS PBLA23 END 77.3
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.883
HIERARCH ESO ISS PBLA24 START 22.721
HIERARCH ESO ISS PBLA24 END 22.945
HIERARCH ESO ISS PBL34 START 164.469
HIERARCH ESO ISS PBL34 END 164.404
HIERARCH ESO ISS PBLA34 START 350.93
HIERARCH ESO ISS PBLA34 END 351.302
HIERARCH ESO ISS AMBI TAU0 START 0.014816
HIERARCH ESO ISS AMBI TAU0 END 0.014255
HIERARCH ESO ISS AMBI TEMP 16.16
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.73