Exposure
ID
GRAVI.2025-05-24T05:27:36.170_1
Header ID
GRAVI.2025-05-24T05:27:36.170
Date updated
2025-05-24 05:40:56 UTC+0000
Release date
2025-05-24 05:27:36 UTC+0000
UTC Start
2025-05-24 05:27:36.170
UTC End
2025-05-24 05:30:16.170
MJD Start
60819.22750197
MJD End
60819.22935382186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032095
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.915
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 66.6210 66.7850 263.7000 264.1000
K0-D0 94.6460 94.7980 243.0000 243.5000
K0-J3 55.2430 55.3150 326.7510 327.0170
G2-D0 39.9820 39.9850 207.0000 207.4000
G2-J3 64.4320 64.4500 33.8950 34.2990
D0-J3 104.2340 104.2540 31.2450 31.6430
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 60819.22750197
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 66.621
HIERARCH ESO ISS PBL12 END 66.785
HIERARCH ESO ISS PBLA12 START 263.7
HIERARCH ESO ISS PBLA12 END 264.1
HIERARCH ESO ISS PBL13 START 94.646
HIERARCH ESO ISS PBL13 END 94.798
HIERARCH ESO ISS PBLA13 START 243.0
HIERARCH ESO ISS PBLA13 END 243.5
HIERARCH ESO ISS PBL14 START 55.243
HIERARCH ESO ISS PBL14 END 55.315
HIERARCH ESO ISS PBLA14 START 326.751
HIERARCH ESO ISS PBLA14 END 327.017
HIERARCH ESO ISS PBL23 START 39.982
HIERARCH ESO ISS PBL23 END 39.985
HIERARCH ESO ISS PBLA23 START 207.0
HIERARCH ESO ISS PBLA23 END 207.4
HIERARCH ESO ISS PBL24 START 64.432
HIERARCH ESO ISS PBL24 END 64.45
HIERARCH ESO ISS PBLA24 START 33.895
HIERARCH ESO ISS PBLA24 END 34.299
HIERARCH ESO ISS PBL34 START 104.234
HIERARCH ESO ISS PBL34 END 104.254
HIERARCH ESO ISS PBLA34 START 31.245
HIERARCH ESO ISS PBLA34 END 31.643
HIERARCH ESO ISS AMBI TAU0 START 0.00298
HIERARCH ESO ISS AMBI TAU0 END 0.003439
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.88