Exposure
ID
GRAVI.2025-05-27T04:23:35.764_1
Header ID
GRAVI.2025-05-27T04:23:35.764
Date updated
2025-05-27 04:36:09 UTC+0000
Release date
2025-05-27 04:23:35 UTC+0000
UTC Start
2025-05-27 04:23:35.764
UTC End
2025-05-27 04:26:15.764
MJD Start
60822.18305282
MJD End
60822.184904671856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002309
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.7749999999999999
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 81.7260 82.1400 103.1000 103.4000
A0-J2 117.9790 118.5440 77.6000 78.0000
A0-K0 120.9200 121.2960 54.7290 55.2400
G1-J2 56.5550 56.6510 39.1000 39.6000
G1-K0 90.4330 90.4400 12.2160 12.6220
J2-K0 47.4290 47.4700 339.6470 339.8980
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 60822.18305282
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 81.726
HIERARCH ESO ISS PBL12 END 82.14
HIERARCH ESO ISS PBLA12 START 103.1
HIERARCH ESO ISS PBLA12 END 103.4
HIERARCH ESO ISS PBL13 START 117.979
HIERARCH ESO ISS PBL13 END 118.544
HIERARCH ESO ISS PBLA13 START 77.6
HIERARCH ESO ISS PBLA13 END 78.0
HIERARCH ESO ISS PBL14 START 120.92
HIERARCH ESO ISS PBL14 END 121.296
HIERARCH ESO ISS PBLA14 START 54.729
HIERARCH ESO ISS PBLA14 END 55.24
HIERARCH ESO ISS PBL23 START 56.555
HIERARCH ESO ISS PBL23 END 56.651
HIERARCH ESO ISS PBLA23 START 39.1
HIERARCH ESO ISS PBLA23 END 39.6
HIERARCH ESO ISS PBL24 START 90.433
HIERARCH ESO ISS PBL24 END 90.44
HIERARCH ESO ISS PBLA24 START 12.216
HIERARCH ESO ISS PBLA24 END 12.622
HIERARCH ESO ISS PBL34 START 47.429
HIERARCH ESO ISS PBL34 END 47.47
HIERARCH ESO ISS PBLA34 START 339.647
HIERARCH ESO ISS PBLA34 END 339.898
HIERARCH ESO ISS AMBI TAU0 START 0.001949
HIERARCH ESO ISS AMBI TAU0 END 0.002669
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.69