Exposure
ID
GRAVI.2025-03-07T00:20:34.719_1
Header ID
GRAVI.2025-03-07T00:20:34.719
Date updated
2025-03-07 00:35:45 UTC+0000
Release date
2025-03-07 00:20:34 UTC+0000
UTC Start
2025-03-07 00:20:34.719
UTC End
2025-03-07 00:23:46.719
MJD Start
60741.01429073
MJD End
60741.01651295223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0056215
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.91
Observation
ID
64973
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.9590 24.9930 140.7000 141.1000
A0-D0 32.0020 31.9950 69.5000 70.0000
A0-C1 22.4700 22.5010 113.9900 114.4700
B2-D0 33.6340 33.6080 24.9000 25.3000
B2-C1 11.2040 11.1950 24.8410 25.2620
D0-C1 22.4310 22.4130 204.9050 205.3250
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 60741.01429073
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.959
HIERARCH ESO ISS PBL12 END 24.993
HIERARCH ESO ISS PBLA12 START 140.7
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 32.002
HIERARCH ESO ISS PBL13 END 31.995
HIERARCH ESO ISS PBLA13 START 69.5
HIERARCH ESO ISS PBLA13 END 70.0
HIERARCH ESO ISS PBL14 START 22.47
HIERARCH ESO ISS PBL14 END 22.501
HIERARCH ESO ISS PBLA14 START 113.99
HIERARCH ESO ISS PBLA14 END 114.47
HIERARCH ESO ISS PBL23 START 33.634
HIERARCH ESO ISS PBL23 END 33.608
HIERARCH ESO ISS PBLA23 START 24.9
HIERARCH ESO ISS PBLA23 END 25.3
HIERARCH ESO ISS PBL24 START 11.204
HIERARCH ESO ISS PBL24 END 11.195
HIERARCH ESO ISS PBLA24 START 24.841
HIERARCH ESO ISS PBLA24 END 25.262
HIERARCH ESO ISS PBL34 START 22.431
HIERARCH ESO ISS PBL34 END 22.413
HIERARCH ESO ISS PBLA34 START 204.905
HIERARCH ESO ISS PBLA34 END 205.325
HIERARCH ESO ISS AMBI TAU0 START 0.005484
HIERARCH ESO ISS AMBI TAU0 END 0.005759
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91