Exposure
ID
GRAVI.2025-03-05T02:58:46.360_1
Header ID
GRAVI.2025-03-05T02:58:46.360
Date updated
2025-03-05 03:10:44 UTC+0000
Release date
2025-03-05 02:58:46 UTC+0000
UTC Start
2025-03-05 02:58:46.360
UTC End
2025-03-05 03:01:58.360
MJD Start
60739.12414769
MJD End
60739.12636991223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0067775000000000005
Ambient temperature (°C)
15.13
Seeing (arcsec)
0.735
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 25.1690 25.1580 161.6000 162.2000
A0-D0 27.4080 27.1850 89.7000 90.2000
A0-C1 21.4440 21.3790 137.7370 138.4550
B2-D0 30.9270 30.8090 39.0000 39.3000
B2-C1 10.3030 10.2640 38.9650 39.2180
D0-C1 20.6240 20.5450 219.0300 219.2830
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 60739.12414769
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 25.169
HIERARCH ESO ISS PBL12 END 25.158
HIERARCH ESO ISS PBLA12 START 161.6
HIERARCH ESO ISS PBLA12 END 162.2
HIERARCH ESO ISS PBL13 START 27.408
HIERARCH ESO ISS PBL13 END 27.185
HIERARCH ESO ISS PBLA13 START 89.7
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 21.444
HIERARCH ESO ISS PBL14 END 21.379
HIERARCH ESO ISS PBLA14 START 137.737
HIERARCH ESO ISS PBLA14 END 138.455
HIERARCH ESO ISS PBL23 START 30.927
HIERARCH ESO ISS PBL23 END 30.809
HIERARCH ESO ISS PBLA23 START 39.0
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 10.303
HIERARCH ESO ISS PBL24 END 10.264
HIERARCH ESO ISS PBLA24 START 38.965
HIERARCH ESO ISS PBLA24 END 39.218
HIERARCH ESO ISS PBL34 START 20.624
HIERARCH ESO ISS PBL34 END 20.545
HIERARCH ESO ISS PBLA34 START 219.03
HIERARCH ESO ISS PBLA34 END 219.283
HIERARCH ESO ISS AMBI TAU0 START 0.005968
HIERARCH ESO ISS AMBI TAU0 END 0.007587
HIERARCH ESO ISS AMBI TEMP 15.13
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.7