Exposure
ID
GRAVI.2025-05-27T04:13:35.738_1
Header ID
GRAVI.2025-05-27T04:13:35.738
Date updated
2025-05-27 04:25:53 UTC+0000
Release date
2025-05-27 04:13:35 UTC+0000
UTC Start
2025-05-27 04:13:35.738
UTC End
2025-05-27 04:16:15.738
MJD Start
60822.17610808
MJD End
60822.177959931854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0039835
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.54
Observation
ID
67585
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
50264
Name
HD_162415
RA
268.06838
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.2560 80.7020 102.1000 102.4000
A0-J2 115.9860 116.5890 76.1000 76.5000
A0-K0 119.6030 120.0000 52.9690 53.4950
G1-J2 56.2210 56.3210 37.3000 37.8000
G1-K0 90.4080 90.4160 10.8370 11.2460
J2-K0 47.2810 47.3260 338.8160 339.0590
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 60822.17610808
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.06838
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 80.256
HIERARCH ESO ISS PBL12 END 80.702
HIERARCH ESO ISS PBLA12 START 102.1
HIERARCH ESO ISS PBLA12 END 102.4
HIERARCH ESO ISS PBL13 START 115.986
HIERARCH ESO ISS PBL13 END 116.589
HIERARCH ESO ISS PBLA13 START 76.1
HIERARCH ESO ISS PBLA13 END 76.5
HIERARCH ESO ISS PBL14 START 119.603
HIERARCH ESO ISS PBL14 END 120.0
HIERARCH ESO ISS PBLA14 START 52.969
HIERARCH ESO ISS PBLA14 END 53.495
HIERARCH ESO ISS PBL23 START 56.221
HIERARCH ESO ISS PBL23 END 56.321
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 37.8
HIERARCH ESO ISS PBL24 START 90.408
HIERARCH ESO ISS PBL24 END 90.416
HIERARCH ESO ISS PBLA24 START 10.837
HIERARCH ESO ISS PBLA24 END 11.246
HIERARCH ESO ISS PBL34 START 47.281
HIERARCH ESO ISS PBL34 END 47.326
HIERARCH ESO ISS PBLA34 START 338.816
HIERARCH ESO ISS PBLA34 END 339.059
HIERARCH ESO ISS AMBI TAU0 START 0.003789
HIERARCH ESO ISS AMBI TAU0 END 0.004178
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54