Exposure
ID
GRAVI.2025-02-26T02:17:48.968_1
Header ID
GRAVI.2025-02-26T02:17:48.968
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-26 02:17:48 UTC+0000
UTC Start
2025-02-26 02:17:48.968
UTC End
2025-02-26 02:21:00.968
MJD Start
60732.09570565
MJD End
60732.09792787222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0030155
Ambient temperature (°C)
18.2
Seeing (arcsec)
1.225
Observation
ID
64847
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
48292
Name
HD_50235
RA
102.715458
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.6260 89.4840 125.7000 126.3000
A0-J2 125.5870 125.1790 102.8000 103.4000
A0-K0 122.3930 121.8890 80.4790 80.9640
G1-J2 55.4140 55.1950 63.8000 64.2000
G1-K0 87.0190 86.8330 33.4520 33.7940
J2-K0 48.1560 48.1590 357.9230 358.3390
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 60732.09570565
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715458
DEC -34.36731
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.626
HIERARCH ESO ISS PBL12 END 89.484
HIERARCH ESO ISS PBLA12 START 125.7
HIERARCH ESO ISS PBLA12 END 126.3
HIERARCH ESO ISS PBL13 START 125.587
HIERARCH ESO ISS PBL13 END 125.179
HIERARCH ESO ISS PBLA13 START 102.8
HIERARCH ESO ISS PBLA13 END 103.4
HIERARCH ESO ISS PBL14 START 122.393
HIERARCH ESO ISS PBL14 END 121.889
HIERARCH ESO ISS PBLA14 START 80.479
HIERARCH ESO ISS PBLA14 END 80.964
HIERARCH ESO ISS PBL23 START 55.414
HIERARCH ESO ISS PBL23 END 55.195
HIERARCH ESO ISS PBLA23 START 63.8
HIERARCH ESO ISS PBLA23 END 64.2
HIERARCH ESO ISS PBL24 START 87.019
HIERARCH ESO ISS PBL24 END 86.833
HIERARCH ESO ISS PBLA24 START 33.452
HIERARCH ESO ISS PBLA24 END 33.794
HIERARCH ESO ISS PBL34 START 48.156
HIERARCH ESO ISS PBL34 END 48.159
HIERARCH ESO ISS PBLA34 START 357.923
HIERARCH ESO ISS PBLA34 END 358.339
HIERARCH ESO ISS AMBI TAU0 START 0.003397
HIERARCH ESO ISS AMBI TAU0 END 0.002634
HIERARCH ESO ISS AMBI TEMP 18.2
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 1.4