Exposure
ID
GRAVI.2025-05-24T05:17:33.144_1
Header ID
GRAVI.2025-05-24T05:17:33.144
Date updated
2025-05-24 05:25:53 UTC+0000
Release date
2025-05-24 05:17:33 UTC+0000
UTC Start
2025-05-24 05:17:33.144
UTC End
2025-05-24 05:20:13.144
MJD Start
60819.2205225
MJD End
60819.222374351855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002865
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.96
Observation
ID
67554
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING 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
50243
Name
HD_162415
RA
268.07098
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.0050 66.1950 262.3000 262.7000
K0-D0 94.0630 94.2430 241.5000 242.0000
K0-J3 54.9780 55.0590 325.8520 326.1090
G2-D0 39.9650 39.9710 205.6000 206.0000
G2-J3 64.3540 64.3800 32.4760 32.8920
D0-J3 104.1420 104.1730 29.8470 30.2570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60819.2205225
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.07098
DEC -31.32825
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.005
HIERARCH ESO ISS PBL12 END 66.195
HIERARCH ESO ISS PBLA12 START 262.3
HIERARCH ESO ISS PBLA12 END 262.7
HIERARCH ESO ISS PBL13 START 94.063
HIERARCH ESO ISS PBL13 END 94.243
HIERARCH ESO ISS PBLA13 START 241.5
HIERARCH ESO ISS PBLA13 END 242.0
HIERARCH ESO ISS PBL14 START 54.978
HIERARCH ESO ISS PBL14 END 55.059
HIERARCH ESO ISS PBLA14 START 325.852
HIERARCH ESO ISS PBLA14 END 326.109
HIERARCH ESO ISS PBL23 START 39.965
HIERARCH ESO ISS PBL23 END 39.971
HIERARCH ESO ISS PBLA23 START 205.6
HIERARCH ESO ISS PBLA23 END 206.0
HIERARCH ESO ISS PBL24 START 64.354
HIERARCH ESO ISS PBL24 END 64.38
HIERARCH ESO ISS PBLA24 START 32.476
HIERARCH ESO ISS PBLA24 END 32.892
HIERARCH ESO ISS PBL34 START 104.142
HIERARCH ESO ISS PBL34 END 104.173
HIERARCH ESO ISS PBLA34 START 29.847
HIERARCH ESO ISS PBLA34 END 30.257
HIERARCH ESO ISS AMBI TAU0 START 0.002614
HIERARCH ESO ISS AMBI TAU0 END 0.003116
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 0.84