Exposure
ID
GRAVI.2025-02-22T04:11:41.519_1
Header ID
GRAVI.2025-02-22T04:11:41.519
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 04:11:41 UTC+0000
UTC Start
2025-02-22 04:11:41.519
UTC End
2025-02-22 04:14:21.519
MJD Start
60728.1747861
MJD End
60728.17663795185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0130335
Ambient temperature (°C)
15.62
Seeing (arcsec)
0.735
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 47.2860 47.2380 160.1000 160.5000
A0-J2 122.6180 122.1100 99.0000 99.2000
A0-J6 169.5020 169.4450 32.5300 32.7250
B5-J2 108.0720 107.7120 76.4000 76.6000
B5-J6 201.8580 201.8710 21.8320 22.0670
J2-J6 164.7400 164.6670 349.5130 349.8780
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 60728.1747861
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 47.286
HIERARCH ESO ISS PBL12 END 47.238
HIERARCH ESO ISS PBLA12 START 160.1
HIERARCH ESO ISS PBLA12 END 160.5
HIERARCH ESO ISS PBL13 START 122.618
HIERARCH ESO ISS PBL13 END 122.11
HIERARCH ESO ISS PBLA13 START 99.0
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 169.502
HIERARCH ESO ISS PBL14 END 169.445
HIERARCH ESO ISS PBLA14 START 32.53
HIERARCH ESO ISS PBLA14 END 32.725
HIERARCH ESO ISS PBL23 START 108.072
HIERARCH ESO ISS PBL23 END 107.712
HIERARCH ESO ISS PBLA23 START 76.4
HIERARCH ESO ISS PBLA23 END 76.6
HIERARCH ESO ISS PBL24 START 201.858
HIERARCH ESO ISS PBL24 END 201.871
HIERARCH ESO ISS PBLA24 START 21.832
HIERARCH ESO ISS PBLA24 END 22.067
HIERARCH ESO ISS PBL34 START 164.74
HIERARCH ESO ISS PBL34 END 164.667
HIERARCH ESO ISS PBLA34 START 349.513
HIERARCH ESO ISS PBLA34 END 349.878
HIERARCH ESO ISS AMBI TAU0 START 0.0132
HIERARCH ESO ISS AMBI TAU0 END 0.012867
HIERARCH ESO ISS AMBI TEMP 15.62
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.63