Exposure
ID
GRAVI.2025-05-24T05:30:54.178_1
Header ID
GRAVI.2025-05-24T05:30:54.178
Date updated
2025-05-24 05:40:56 UTC+0000
Release date
2025-05-24 05:30:54 UTC+0000
UTC Start
2025-05-24 05:30:54.178
UTC End
2025-05-24 05:33:34.178
MJD Start
60819.22979373
MJD End
60819.23164558186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029095
Ambient temperature (°C)
12.4
Seeing (arcsec)
1.09
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 66.8030 66.9580 264.2000 264.6000
K0-D0 94.8150 94.9580 243.5000 243.9000
K0-J3 55.3230 55.3930 327.0460 327.3220
G2-D0 39.9850 39.9870 207.4000 207.8000
G2-J3 64.4520 64.4680 34.3430 34.7520
D0-J3 104.2560 104.2720 31.6870 32.0900
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 60819.22979373
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 66.803
HIERARCH ESO ISS PBL12 END 66.958
HIERARCH ESO ISS PBLA12 START 264.2
HIERARCH ESO ISS PBLA12 END 264.6
HIERARCH ESO ISS PBL13 START 94.815
HIERARCH ESO ISS PBL13 END 94.958
HIERARCH ESO ISS PBLA13 START 243.5
HIERARCH ESO ISS PBLA13 END 243.9
HIERARCH ESO ISS PBL14 START 55.323
HIERARCH ESO ISS PBL14 END 55.393
HIERARCH ESO ISS PBLA14 START 327.046
HIERARCH ESO ISS PBLA14 END 327.322
HIERARCH ESO ISS PBL23 START 39.985
HIERARCH ESO ISS PBL23 END 39.987
HIERARCH ESO ISS PBLA23 START 207.4
HIERARCH ESO ISS PBLA23 END 207.8
HIERARCH ESO ISS PBL24 START 64.452
HIERARCH ESO ISS PBL24 END 64.468
HIERARCH ESO ISS PBLA24 START 34.343
HIERARCH ESO ISS PBLA24 END 34.752
HIERARCH ESO ISS PBL34 START 104.256
HIERARCH ESO ISS PBL34 END 104.272
HIERARCH ESO ISS PBLA34 START 31.687
HIERARCH ESO ISS PBLA34 END 32.09
HIERARCH ESO ISS AMBI TAU0 START 0.003439
HIERARCH ESO ISS AMBI TAU0 END 0.00238
HIERARCH ESO ISS AMBI TEMP 12.4
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 1.3